From 465ea04df282db1dff8210f95fb5b52241dfc85c Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 13:45:10 -0400
Subject: [PATCH 01/63] Create auto-tune.py

---
 groundstation/auto-tune.py | 81 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 groundstation/auto-tune.py

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
new file mode 100644
index 00000000..435d6523
--- /dev/null
+++ b/groundstation/auto-tune.py
@@ -0,0 +1,81 @@
+from rtlsdr import RtlSdr
+import numpy as np
+import matplotlib.pyplot as plt
+
+# Create a sample signal (sum of two sine waves)
+sampling_rate = 1024e3 # 250e3 # Hz
+duration = 65536/sampling_rate # 1          # seconds
+# t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
+t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
+# frequency1 = 50       # Hz
+# frequency2 = 120      # Hz
+# signal = 0.7 * np.sin(2 * np.pi * frequency1 * t) + np.sin(2 * np.pi * frequency2 * t)
+
+sdr = RtlSdr()
+
+# configure device
+sdr.sample_rate = sampling_rate # 250e3 # 2.4e6
+center_frequency = 434.8e6
+sdr.center_freq = center_frequency
+sdr.gain = 4
+sdr.direct_sampling = False
+
+# signal = sdr.read_samples(64*1024) #256
+signal = sdr.read_samples(duration*sampling_rate) #256
+
+print(f"Center frequency is {center_frequency}")
+
+sdr.close()
+
+# Compute the FFT
+fft_result = np.fft.fft(signal)
+
+# Calculate the frequencies corresponding to the FFT output
+n = len(signal)
+frequencies = np.fft.fftfreq(n, d=1/sampling_rate)
+
+# Take the absolute value for amplitude spectrum and consider only the positive frequencies
+positive_frequencies_indices = np.where(frequencies >= 0)
+positive_frequencies = frequencies[positive_frequencies_indices]
+amplitude_spectrum = 2/n * np.abs(fft_result[positive_frequencies_indices]) # Normalize for amplitude
+
+# Plotting the results
+plt.figure(figsize=(12, 6))
+
+plt.subplot(1, 2, 1)
+plt.plot(t, signal)
+plt.title('Time Domain Signal')
+plt.xlabel('Time (s)')
+plt.ylabel('Amplitude')
+
+plt.subplot(1, 2, 2)
+plt.stem(positive_frequencies, amplitude_spectrum, markerfmt=" ", basefmt="-b")
+plt.title('Frequency Domain (FFT)')
+plt.xlabel('Frequency (Hz)')
+plt.ylabel('Amplitude')
+plt.grid(True)
+
+plt.tight_layout()
+plt.show()
+
+print(amplitude_spectrum)
+x = amplitude_spectrum 
+print(x)
+min_value = min(x)
+max_value = max(x)
+
+#freq_min = np.argmax(min_value)
+print(np.argmax(x))
+print(np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+print(sampling_rate)
+print(center_frequency)
+
+offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+freq_max = center_frequency + offset 
+
+print(f"The maximum signal is {max_value} at frequency {freq_max}")
+#print(f"The minimum signal is {min_value} at frequency {freq_min}")
+
+print(min_value)
+print(max_value)
+

From 873f789b426b0d863b59f83d058e8e8e09282cc6 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 13:48:37 -0400
Subject: [PATCH 02/63] Update auto-tune.py add .real

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 435d6523..d83e33cc 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -21,7 +21,7 @@ sdr.gain = 4
 sdr.direct_sampling = False
 
 # signal = sdr.read_samples(64*1024) #256
-signal = sdr.read_samples(duration*sampling_rate) #256
+signal = sdr.read_samples(duration*sampling_rate).real #256
 
 print(f"Center frequency is {center_frequency}")
 

From a0dbfdc646495a23c14639dee7477e47e9e9ed70 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:06:42 -0400
Subject: [PATCH 03/63] Update auto-tune.py add parameters

---
 groundstation/auto-tune.py | 73 +++++++++++++++++++++++---------------
 1 file changed, 44 insertions(+), 29 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index d83e33cc..b473e96e 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -2,6 +2,20 @@ from rtlsdr import RtlSdr
 import numpy as np
 import matplotlib.pyplot as plt
 
+if __name__ == "__main__":
+	graph = 'n'
+  center_frequency = 434.9e6
+  if (len(sys.argv)) > 0:
+    print("There are arguments!")
+    center_frequency = float(sys.argv[1])
+    if (center_frequency == 0):
+      center_frequency = 434.9e6
+    if (len(sys.argv)) > 1:
+        print("There are more arguments")
+        if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
+          graph = 'y'  
+        
+
 # Create a sample signal (sum of two sine waves)
 sampling_rate = 1024e3 # 250e3 # Hz
 duration = 65536/sampling_rate # 1          # seconds
@@ -15,7 +29,7 @@ sdr = RtlSdr()
 
 # configure device
 sdr.sample_rate = sampling_rate # 250e3 # 2.4e6
-center_frequency = 434.8e6
+#center_frequency = 434.8e6
 sdr.center_freq = center_frequency
 sdr.gain = 4
 sdr.direct_sampling = False
@@ -39,43 +53,44 @@ positive_frequencies_indices = np.where(frequencies >= 0)
 positive_frequencies = frequencies[positive_frequencies_indices]
 amplitude_spectrum = 2/n * np.abs(fft_result[positive_frequencies_indices]) # Normalize for amplitude
 
-# Plotting the results
-plt.figure(figsize=(12, 6))
-
-plt.subplot(1, 2, 1)
-plt.plot(t, signal)
-plt.title('Time Domain Signal')
-plt.xlabel('Time (s)')
-plt.ylabel('Amplitude')
-
-plt.subplot(1, 2, 2)
-plt.stem(positive_frequencies, amplitude_spectrum, markerfmt=" ", basefmt="-b")
-plt.title('Frequency Domain (FFT)')
-plt.xlabel('Frequency (Hz)')
-plt.ylabel('Amplitude')
-plt.grid(True)
-
-plt.tight_layout()
-plt.show()
-
-print(amplitude_spectrum)
+if (graph == 'y'):
+  # Plotting the results
+  plt.figure(figsize=(12, 6))
+  
+  plt.subplot(1, 2, 1)
+  plt.plot(t, signal)
+  plt.title('Time Domain Signal')
+  plt.xlabel('Time (s)')
+  plt.ylabel('Amplitude')
+  
+  plt.subplot(1, 2, 2)
+  plt.stem(positive_frequencies, amplitude_spectrum, markerfmt=" ", basefmt="-b")
+  plt.title('Frequency Domain (FFT)')
+  plt.xlabel('Frequency (Hz)')
+  plt.ylabel('Amplitude')
+  plt.grid(True)
+  
+  plt.tight_layout()
+  plt.show()
+
+# print(amplitude_spectrum)
 x = amplitude_spectrum 
-print(x)
+# print(x)
 min_value = min(x)
 max_value = max(x)
 
 #freq_min = np.argmax(min_value)
-print(np.argmax(x))
-print(np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
-print(sampling_rate)
-print(center_frequency)
+# print(np.argmax(x))
+# print(np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+# print(sampling_rate)
+# print(center_frequency)
 
 offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
 freq_max = center_frequency + offset 
 
-print(f"The maximum signal is {max_value} at frequency {freq_max}")
+print(f" {freq_max} {max_value}")
 #print(f"The minimum signal is {min_value} at frequency {freq_min}")
 
-print(min_value)
-print(max_value)
+#print(min_value)
+#print(max_value)
 

From 20090e5cf96337789ec848bc0f61e07f5c2320b4 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:08:06 -0400
Subject: [PATCH 04/63] Update auto-tune.py fix name

---
 groundstation/auto-tune.py | 151 ++++++++++++++++++-------------------
 1 file changed, 73 insertions(+), 78 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index b473e96e..0684731f 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -16,81 +16,76 @@ if __name__ == "__main__":
           graph = 'y'  
         
 
-# Create a sample signal (sum of two sine waves)
-sampling_rate = 1024e3 # 250e3 # Hz
-duration = 65536/sampling_rate # 1          # seconds
-# t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
-t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
-# frequency1 = 50       # Hz
-# frequency2 = 120      # Hz
-# signal = 0.7 * np.sin(2 * np.pi * frequency1 * t) + np.sin(2 * np.pi * frequency2 * t)
-
-sdr = RtlSdr()
-
-# configure device
-sdr.sample_rate = sampling_rate # 250e3 # 2.4e6
-#center_frequency = 434.8e6
-sdr.center_freq = center_frequency
-sdr.gain = 4
-sdr.direct_sampling = False
-
-# signal = sdr.read_samples(64*1024) #256
-signal = sdr.read_samples(duration*sampling_rate).real #256
-
-print(f"Center frequency is {center_frequency}")
-
-sdr.close()
-
-# Compute the FFT
-fft_result = np.fft.fft(signal)
-
-# Calculate the frequencies corresponding to the FFT output
-n = len(signal)
-frequencies = np.fft.fftfreq(n, d=1/sampling_rate)
-
-# Take the absolute value for amplitude spectrum and consider only the positive frequencies
-positive_frequencies_indices = np.where(frequencies >= 0)
-positive_frequencies = frequencies[positive_frequencies_indices]
-amplitude_spectrum = 2/n * np.abs(fft_result[positive_frequencies_indices]) # Normalize for amplitude
-
-if (graph == 'y'):
-  # Plotting the results
-  plt.figure(figsize=(12, 6))
-  
-  plt.subplot(1, 2, 1)
-  plt.plot(t, signal)
-  plt.title('Time Domain Signal')
-  plt.xlabel('Time (s)')
-  plt.ylabel('Amplitude')
-  
-  plt.subplot(1, 2, 2)
-  plt.stem(positive_frequencies, amplitude_spectrum, markerfmt=" ", basefmt="-b")
-  plt.title('Frequency Domain (FFT)')
-  plt.xlabel('Frequency (Hz)')
-  plt.ylabel('Amplitude')
-  plt.grid(True)
-  
-  plt.tight_layout()
-  plt.show()
-
-# print(amplitude_spectrum)
-x = amplitude_spectrum 
-# print(x)
-min_value = min(x)
-max_value = max(x)
-
-#freq_min = np.argmax(min_value)
-# print(np.argmax(x))
-# print(np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
-# print(sampling_rate)
-# print(center_frequency)
-
-offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
-freq_max = center_frequency + offset 
-
-print(f" {freq_max} {max_value}")
-#print(f"The minimum signal is {min_value} at frequency {freq_min}")
-
-#print(min_value)
-#print(max_value)
-
+	sampling_rate = 1024e3 # 250e3 # Hz
+	duration = 65536/sampling_rate # 1          # seconds
+	t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
+	
+	sdr = RtlSdr()
+	
+	# configure device
+	sdr.sample_rate = sampling_rate # 250e3 # 2.4e6
+	#center_frequency = 434.8e6
+	sdr.center_freq = center_frequency
+	sdr.gain = 4
+	sdr.direct_sampling = False
+	
+	# signal = sdr.read_samples(64*1024) #256
+	signal = sdr.read_samples(duration*sampling_rate).real #256
+	
+	print(f"Center frequency is {center_frequency}")
+	
+	sdr.close()
+	
+	# Compute the FFT
+	fft_result = np.fft.fft(signal)
+	
+	# Calculate the frequencies corresponding to the FFT output
+	n = len(signal)
+	frequencies = np.fft.fftfreq(n, d=1/sampling_rate)
+	
+	# Take the absolute value for amplitude spectrum and consider only the positive frequencies
+	positive_frequencies_indices = np.where(frequencies >= 0)
+	positive_frequencies = frequencies[positive_frequencies_indices]
+	amplitude_spectrum = 2/n * np.abs(fft_result[positive_frequencies_indices]) # Normalize for amplitude
+	
+	if (graph == 'y'):
+	  # Plotting the results
+	  plt.figure(figsize=(12, 6))
+	  
+	  plt.subplot(1, 2, 1)
+	  plt.plot(t, signal)
+	  plt.title('Time Domain Signal')
+	  plt.xlabel('Time (s)')
+	  plt.ylabel('Amplitude')
+	  
+	  plt.subplot(1, 2, 2)
+	  plt.stem(positive_frequencies, amplitude_spectrum, markerfmt=" ", basefmt="-b")
+	  plt.title('Frequency Domain (FFT)')
+	  plt.xlabel('Frequency (Hz)')
+	  plt.ylabel('Amplitude')
+	  plt.grid(True)
+	  
+	  plt.tight_layout()
+	  plt.show()
+	
+	# print(amplitude_spectrum)
+	x = amplitude_spectrum 
+	# print(x)
+	min_value = min(x)
+	max_value = max(x)
+	
+	#freq_min = np.argmax(min_value)
+	# print(np.argmax(x))
+	# print(np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+	# print(sampling_rate)
+	# print(center_frequency)
+	
+	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+	freq_max = center_frequency + offset 
+	
+	print(f" {freq_max} {max_value}")
+	#print(f"The minimum signal is {min_value} at frequency {freq_min}")
+	
+	#print(min_value)
+	#print(max_value)
+	

From 5b70b566d5352e8041b2f02a034a912c9d70927e Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:09:36 -0400
Subject: [PATCH 05/63] Update auto-tune.py fix indentation

---
 groundstation/auto-tune.py | 21 ++++++++++-----------
 1 file changed, 10 insertions(+), 11 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 0684731f..71adc956 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -4,18 +4,17 @@ import matplotlib.pyplot as plt
 
 if __name__ == "__main__":
 	graph = 'n'
-  center_frequency = 434.9e6
-  if (len(sys.argv)) > 0:
-    print("There are arguments!")
-    center_frequency = float(sys.argv[1])
-    if (center_frequency == 0):
-      center_frequency = 434.9e6
-    if (len(sys.argv)) > 1:
-        print("There are more arguments")
-        if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
-          graph = 'y'  
+	center_frequency = 434.9e6
+	if (len(sys.argv)) > 0:
+		print("There are arguments!")
+	    center_frequency = float(sys.argv[1])
+    	if (center_frequency == 0):
+      		center_frequency = 434.9e6
+    	if (len(sys.argv)) > 1:
+        	print("There are more arguments")
+        	if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
+          	graph = 'y'  
         
-
 	sampling_rate = 1024e3 # 250e3 # Hz
 	duration = 65536/sampling_rate # 1          # seconds
 	t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)

From bf98365e686418f1b006f114dd811a64da35a264 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:10:23 -0400
Subject: [PATCH 06/63] Update auto-tune.py more indents

---
 groundstation/auto-tune.py | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 71adc956..57d9b509 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -7,13 +7,13 @@ if __name__ == "__main__":
 	center_frequency = 434.9e6
 	if (len(sys.argv)) > 0:
 		print("There are arguments!")
-	    center_frequency = float(sys.argv[1])
-    	if (center_frequency == 0):
-      		center_frequency = 434.9e6
-    	if (len(sys.argv)) > 1:
-        	print("There are more arguments")
-        	if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
-          	graph = 'y'  
+		center_frequency = float(sys.argv[1])
+		if (center_frequency == 0):
+			center_frequency = 434.9e6
+		if (len(sys.argv)) > 1:
+			print("There are more arguments")
+			if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
+			graph = 'y'  
         
 	sampling_rate = 1024e3 # 250e3 # Hz
 	duration = 65536/sampling_rate # 1          # seconds

From 93265df16a0960dbd0a1b57ec72c57de7e3e3b3e Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:10:59 -0400
Subject: [PATCH 07/63] Update auto-tune.py more indent

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 57d9b509..90a1b14e 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -13,7 +13,7 @@ if __name__ == "__main__":
 		if (len(sys.argv)) > 1:
 			print("There are more arguments")
 			if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
-			graph = 'y'  
+				graph = 'y'  
         
 	sampling_rate = 1024e3 # 250e3 # Hz
 	duration = 65536/sampling_rate # 1          # seconds

From a29525c8cfb874fc43ce994352b229760a5aac00 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:11:31 -0400
Subject: [PATCH 08/63] Update auto-tune.py add sys

---
 groundstation/auto-tune.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 90a1b14e..2f071ea1 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -1,6 +1,7 @@
 from rtlsdr import RtlSdr
 import numpy as np
 import matplotlib.pyplot as plt
+import sys
 
 if __name__ == "__main__":
 	graph = 'n'

From ff9d9754b5800537ba6f578efd0073e2d7227ac4 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:13:21 -0400
Subject: [PATCH 09/63] Update auto-tune.py add 200k offset

---
 groundstation/auto-tune.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 2f071ea1..df982d1b 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -5,12 +5,12 @@ import sys
 
 if __name__ == "__main__":
 	graph = 'n'
-	center_frequency = 434.9e6
+	center_frequency = 434.7e6
 	if (len(sys.argv)) > 0:
 		print("There are arguments!")
-		center_frequency = float(sys.argv[1])
+		center_frequency = float(sys.argv[1]) - 200e6
 		if (center_frequency == 0):
-			center_frequency = 434.9e6
+			center_frequency = 434.7e6
 		if (len(sys.argv)) > 1:
 			print("There are more arguments")
 			if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):

From e219ab42850d490884b10a5684f6dcf10a02eb6e Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:14:01 -0400
Subject: [PATCH 10/63] Update auto-tune.py fix 200k

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index df982d1b..82883702 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -8,7 +8,7 @@ if __name__ == "__main__":
 	center_frequency = 434.7e6
 	if (len(sys.argv)) > 0:
 		print("There are arguments!")
-		center_frequency = float(sys.argv[1]) - 200e6
+		center_frequency = float(sys.argv[1]) - 200e3
 		if (center_frequency == 0):
 			center_frequency = 434.7e6
 		if (len(sys.argv)) > 1:

From f2c44413a6f27eb34b8363e87af4745330282eba Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:16:06 -0400
Subject: [PATCH 11/63] Update auto-tune.py only print results

---
 groundstation/auto-tune.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 82883702..4ed89696 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -7,12 +7,12 @@ if __name__ == "__main__":
 	graph = 'n'
 	center_frequency = 434.7e6
 	if (len(sys.argv)) > 0:
-		print("There are arguments!")
+#		print("There are arguments!")
 		center_frequency = float(sys.argv[1]) - 200e3
 		if (center_frequency == 0):
 			center_frequency = 434.7e6
 		if (len(sys.argv)) > 1:
-			print("There are more arguments")
+#			print("There are more arguments")
 			if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
 				graph = 'y'  
         
@@ -32,7 +32,7 @@ if __name__ == "__main__":
 	# signal = sdr.read_samples(64*1024) #256
 	signal = sdr.read_samples(duration*sampling_rate).real #256
 	
-	print(f"Center frequency is {center_frequency}")
+#	print(f"Center frequency is {center_frequency}")
 	
 	sdr.close()
 	

From 54466634cfd07853d2027fce8d41c9fea06eba92 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:18:33 -0400
Subject: [PATCH 12/63] Update auto-tune.py format output

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 4ed89696..1cb62950 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -83,7 +83,7 @@ if __name__ == "__main__":
 	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
 	freq_max = center_frequency + offset 
 	
-	print(f" {freq_max} {max_value}")
+	print(f" {:.0f} {.2f}".format(freq_max, max_value)
 	#print(f"The minimum signal is {min_value} at frequency {freq_min}")
 	
 	#print(min_value)

From 20c2c53a734fbd6f364e87207296c8780af110ef Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:20:30 -0400
Subject: [PATCH 13/63] Update auto-tune.py fix format

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 1cb62950..0e909a24 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -83,7 +83,7 @@ if __name__ == "__main__":
 	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
 	freq_max = center_frequency + offset 
 	
-	print(f" {:.0f} {.2f}".format(freq_max, max_value)
+	print(f" {freq_max:.0f} {max_value:.2f}")
 	#print(f"The minimum signal is {min_value} at frequency {freq_min}")
 	
 	#print(min_value)

From 3d8b5a05672ef3985a23e7aff7522c091573fe17 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 14:42:50 -0400
Subject: [PATCH 14/63] Update sstv_decode_prompt.sh add autotune

---
 groundstation/sstv_decode_prompt.sh | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index dab0f18a..86011979 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -121,8 +121,25 @@ setsid qsstv &
 
 sleep 5
 
-#sudo systemctl restart cubesatsim
+python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
+
+threshold="0.1"
+confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+echo "Auto tune confidence: "
+echo $confidence
+if [ "$confidence" .lt "$threshold" ]; then
+
+  sleep 10
 
+  python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
+ 
+fi
+frequency=$(awk '{print $1}' auto-tune.txt)
+
+echo "Auto tune frequency: "
+echo $frequency
+
+#sudo systemctl restart cubesatsim
 
 value=`aplay -l | grep "Loopback"`
 echo "$value" > /dev/null

From 06bc2b3db585bb6a2d563450cd95823d41a7d088 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 15:57:11 -0400
Subject: [PATCH 15/63] Update sstv_decode_prompt.sh fix -lt

---
 groundstation/sstv_decode_prompt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 86011979..b9f8d3d3 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -127,7 +127,7 @@ threshold="0.1"
 confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
 echo "Auto tune confidence: "
 echo $confidence
-if [ "$confidence" .lt "$threshold" ]; then
+if [ "$confidence" -lt "$threshold" ]; then
 
   sleep 10
 

From 844a077daa12430a35bfdb107341784497c2bdb9 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 15:59:23 -0400
Subject: [PATCH 16/63] Update auto-tune.py change max value to integer

---
 groundstation/auto-tune.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 0e909a24..b3a45c8c 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -72,7 +72,7 @@ if __name__ == "__main__":
 	x = amplitude_spectrum 
 	# print(x)
 	min_value = min(x)
-	max_value = max(x)
+	max_value = max(x) * 10
 	
 	#freq_min = np.argmax(min_value)
 	# print(np.argmax(x))
@@ -83,7 +83,7 @@ if __name__ == "__main__":
 	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
 	freq_max = center_frequency + offset 
 	
-	print(f" {freq_max:.0f} {max_value:.2f}")
+	print(f" {freq_max:.0f} {max_value:.0f}")
 	#print(f"The minimum signal is {min_value} at frequency {freq_min}")
 	
 	#print(min_value)

From 082d8de58911cefc51b351a9580b9a4bae29bdc6 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 15:59:59 -0400
Subject: [PATCH 17/63] Update sstv_decode_prompt.sh integer threshold

---
 groundstation/sstv_decode_prompt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index b9f8d3d3..f79fa7e8 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -123,7 +123,7 @@ sleep 5
 
 python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
 
-threshold="0.1"
+threshold="1"
 confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
 echo "Auto tune confidence: "
 echo $confidence

From 732d887dcbdedd44589a558eb76d0951b72ffee1 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 16:11:21 -0400
Subject: [PATCH 18/63] Update auto-tune.py change gain to 29

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index b3a45c8c..a83d4cd3 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -26,7 +26,7 @@ if __name__ == "__main__":
 	sdr.sample_rate = sampling_rate # 250e3 # 2.4e6
 	#center_frequency = 434.8e6
 	sdr.center_freq = center_frequency
-	sdr.gain = 4
+	sdr.gain = 29
 	sdr.direct_sampling = False
 	
 	# signal = sdr.read_samples(64*1024) #256

From 8a1382f3defc523e34c22d0780fdacb1ab990938 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 16:14:25 -0400
Subject: [PATCH 19/63] Update auto-tune.py add 4k offset

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index a83d4cd3..7c508163 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -81,7 +81,7 @@ if __name__ == "__main__":
 	# print(center_frequency)
 	
 	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
-	freq_max = center_frequency + offset 
+	freq_max = center_frequency + offset + 4000
 	
 	print(f" {freq_max:.0f} {max_value:.0f}")
 	#print(f"The minimum signal is {min_value} at frequency {freq_min}")

From cd91412ee110d68026fc89251e391a5663d198be Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 22:47:40 -0400
Subject: [PATCH 20/63] Update auto-tune.py scale by 100

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 7c508163..5efc2123 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -72,7 +72,7 @@ if __name__ == "__main__":
 	x = amplitude_spectrum 
 	# print(x)
 	min_value = min(x)
-	max_value = max(x) * 10
+	max_value = max(x) * 100
 	
 	#freq_min = np.argmax(min_value)
 	# print(np.argmax(x))

From 7b3b54f4d8bd5f20ee7f7e533946c45ef88f7133 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 22:54:47 -0400
Subject: [PATCH 21/63] Update sstv_decode_prompt.sh cat auto-tune.txt

---
 groundstation/sstv_decode_prompt.sh | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index f79fa7e8..0faedca8 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -122,18 +122,23 @@ setsid qsstv &
 sleep 5
 
 python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
-
-threshold="1"
+echo "auto-tune.txt"
+cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+threshold="3"
 confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
 echo "Auto tune confidence: "
 echo $confidence
-if [ "$confidence" -lt "$threshold" ]; then
 
+if [ "$confidence" -lt "$threshold" ]; then
   sleep 10
-
   python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
- 
+  echo "auto-tune.txt"
+  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+  confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+  echo "Auto tune confidence: " 
+  echo $confidence
 fi
+
 frequency=$(awk '{print $1}' auto-tune.txt)
 
 echo "Auto tune frequency: "

From 910d02b597038604ea822a0e7cf561485c767200 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 22:56:42 -0400
Subject: [PATCH 22/63] Update sstv_decode_prompt.sh add venv

---
 groundstation/sstv_decode_prompt.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 0faedca8..44188ea5 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -121,6 +121,7 @@ setsid qsstv &
 
 sleep 5
 
+source /home/pi/venv/bin/activate
 python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
 echo "auto-tune.txt"
 cat /home/pi/CubeSatSim/groundstation/auto-tune.txt

From 920a76cf42c78849422cc0803397fd0fce08f973 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 22:57:49 -0400
Subject: [PATCH 23/63] Update sstv_decode_prompt.sh fix frequency set

---
 groundstation/sstv_decode_prompt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 44188ea5..0e546d89 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -140,7 +140,7 @@ if [ "$confidence" -lt "$threshold" ]; then
   echo $confidence
 fi
 
-frequency=$(awk '{print $1}' auto-tune.txt)
+frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
 
 echo "Auto tune frequency: "
 echo $frequency

From 327e00082014fc1bfbef0118f0b058fc8ae02e33 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 23:03:58 -0400
Subject: [PATCH 24/63] Update auto-tune.py change to 2000

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 5efc2123..86884b0d 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -81,7 +81,7 @@ if __name__ == "__main__":
 	# print(center_frequency)
 	
 	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
-	freq_max = center_frequency + offset + 4000
+	freq_max = center_frequency + offset + 2000
 	
 	print(f" {freq_max:.0f} {max_value:.0f}")
 	#print(f"The minimum signal is {min_value} at frequency {freq_min}")

From e3decd109820ee39fe794925e9ca0a8a78890a80 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 23:23:54 -0400
Subject: [PATCH 25/63] Update sstv_decode_prompt.sh check 3 times, only change
 if high confidence

---
 groundstation/sstv_decode_prompt.sh | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 0e546d89..d6a2483d 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -123,8 +123,8 @@ sleep 5
 
 source /home/pi/venv/bin/activate
 python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
-echo "auto-tune.txt"
-cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+# echo "auto-tune.txt"
+# cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
 threshold="3"
 confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
 echo "Auto tune confidence: "
@@ -133,14 +133,26 @@ echo $confidence
 if [ "$confidence" -lt "$threshold" ]; then
   sleep 10
   python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
-  echo "auto-tune.txt"
-  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+#  echo "auto-tune.txt"
+#  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
   confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
   echo "Auto tune confidence: " 
   echo $confidence
+
+  if [ "$confidence" -lt "$threshold" ]; then
+    sleep 10
+    python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
+  #  echo "auto-tune.txt"
+  #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+    confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+    echo "Auto tune confidence: " 
+    echo $confidence
+  fi
 fi
 
-frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+if [ "$confidence" -gt "$threshold" ]; then
+  frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+fi
 
 echo "Auto tune frequency: "
 echo $frequency

From 5d0d29aa86f0bb203c8442fe653d5d6863ae599f Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 23:34:21 -0400
Subject: [PATCH 26/63] Update auto-tune.py switch to 1e6

---
 groundstation/auto-tune.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 86884b0d..ead2ddbb 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -16,7 +16,7 @@ if __name__ == "__main__":
 			if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
 				graph = 'y'  
         
-	sampling_rate = 1024e3 # 250e3 # Hz
+	sampling_rate = 1e6 #1024e3 # 250e3 # Hz
 	duration = 65536/sampling_rate # 1          # seconds
 	t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
 	
@@ -80,7 +80,8 @@ if __name__ == "__main__":
 	# print(sampling_rate)
 	# print(center_frequency)
 	
-	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+#	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+	offset = np.argmax(x) - 2000
 	freq_max = center_frequency + offset + 2000
 	
 	print(f" {freq_max:.0f} {max_value:.0f}")

From 5a08dc8372447bdac129f221af8a9f74612186d0 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 23:38:03 -0400
Subject: [PATCH 27/63] Update auto-tune.py revert

---
 groundstation/auto-tune.py | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index ead2ddbb..86884b0d 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -16,7 +16,7 @@ if __name__ == "__main__":
 			if (sys.argv[2] == 'g') or (sys.argv[2] == '-g'):
 				graph = 'y'  
         
-	sampling_rate = 1e6 #1024e3 # 250e3 # Hz
+	sampling_rate = 1024e3 # 250e3 # Hz
 	duration = 65536/sampling_rate # 1          # seconds
 	t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
 	
@@ -80,8 +80,7 @@ if __name__ == "__main__":
 	# print(sampling_rate)
 	# print(center_frequency)
 	
-#	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
-	offset = np.argmax(x) - 2000
+	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
 	freq_max = center_frequency + offset + 2000
 	
 	print(f" {freq_max:.0f} {max_value:.0f}")

From 21f36f6ccf0497874cefe81bc47d8e267806d2c2 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 23:52:40 -0400
Subject: [PATCH 28/63] Update auto-tune.py gain to 47

---
 groundstation/auto-tune.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index 86884b0d..d49ab3f6 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -26,7 +26,7 @@ if __name__ == "__main__":
 	sdr.sample_rate = sampling_rate # 250e3 # 2.4e6
 	#center_frequency = 434.8e6
 	sdr.center_freq = center_frequency
-	sdr.gain = 29
+	sdr.gain = 47
 	sdr.direct_sampling = False
 	
 	# signal = sdr.read_samples(64*1024) #256

From bd901a424e38b2f61486ac2781150b4ce67fe559 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Mon, 27 Oct 2025 23:56:12 -0400
Subject: [PATCH 29/63] Update sstv_decode_prompt.sh confidence threshold 1

---
 groundstation/sstv_decode_prompt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index d6a2483d..61e9b30f 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -125,7 +125,7 @@ source /home/pi/venv/bin/activate
 python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
 # echo "auto-tune.txt"
 # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
-threshold="3"
+threshold="1"
 confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
 echo "Auto tune confidence: "
 echo $confidence

From be27ae69e881d841db831f4a0089290b1242fed3 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 08:39:30 -0400
Subject: [PATCH 30/63] Update sstv_decode_prompt.sh change to less than or
 equal

---
 groundstation/sstv_decode_prompt.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 61e9b30f..40f9d9f6 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -130,7 +130,7 @@ confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
 echo "Auto tune confidence: "
 echo $confidence
 
-if [ "$confidence" -lt "$threshold" ]; then
+if [ "$confidence" -le "$threshold" ]; then
   sleep 10
   python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
 #  echo "auto-tune.txt"
@@ -139,7 +139,7 @@ if [ "$confidence" -lt "$threshold" ]; then
   echo "Auto tune confidence: " 
   echo $confidence
 
-  if [ "$confidence" -lt "$threshold" ]; then
+  if [ "$confidence" -le "$threshold" ]; then
     sleep 10
     python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
   #  echo "auto-tune.txt"

From 6ebfc9c46213b2d0b48db8f00b4dbacfe2b2de85 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 08:45:38 -0400
Subject: [PATCH 31/63] Update sstv_decode_prompt.sh only print autotune when
 above threshold

---
 groundstation/sstv_decode_prompt.sh | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 40f9d9f6..48d00ffb 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -127,7 +127,7 @@ python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /ho
 # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
 threshold="1"
 confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-echo "Auto tune confidence: "
+echo -n "Auto tune confidence: "
 echo $confidence
 
 if [ "$confidence" -le "$threshold" ]; then
@@ -136,7 +136,7 @@ if [ "$confidence" -le "$threshold" ]; then
 #  echo "auto-tune.txt"
 #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
   confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-  echo "Auto tune confidence: " 
+  echo -n "Auto tune confidence: " 
   echo $confidence
 
   if [ "$confidence" -le "$threshold" ]; then
@@ -145,18 +145,17 @@ if [ "$confidence" -le "$threshold" ]; then
   #  echo "auto-tune.txt"
   #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
     confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-    echo "Auto tune confidence: " 
+    echo -n "Auto tune confidence: " 
     echo $confidence
   fi
 fi
 
 if [ "$confidence" -gt "$threshold" ]; then
   frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+  echo -n "Auto tune frequency: "
+  echo $frequency
 fi
 
-echo "Auto tune frequency: "
-echo $frequency
-
 #sudo systemctl restart cubesatsim
 
 value=`aplay -l | grep "Loopback"`

From 992648f19b13bd0eaf69532d25d4b1260968cd08 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 08:48:22 -0400
Subject: [PATCH 32/63] Update sstv_decode_prompt.sh auto-tune failed message

---
 groundstation/sstv_decode_prompt.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 48d00ffb..ccd08538 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -154,7 +154,10 @@ if [ "$confidence" -gt "$threshold" ]; then
   frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
   echo -n "Auto tune frequency: "
   echo $frequency
+else
+  echo "Auto tune failed, frequency unchanged"
 fi
+echo
 
 #sudo systemctl restart cubesatsim
 

From dcab91164ad3c33a594db24c8c18e4e5a56e7af6 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:01:10 -0400
Subject: [PATCH 33/63] Update sstv_decode_prompt.sh add auto-tune prompt
 option

---
 groundstation/sstv_decode_prompt.sh | 59 +++++++++++++++++------------
 1 file changed, 35 insertions(+), 24 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index ccd08538..4b638346 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -34,7 +34,9 @@ sudo killall -9 rtl_fm &>/dev/null
 
 #echo "s" >> .mode
 
-frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=220 --title="SSTV Decoding using QSSTV" --text="Choose the frequency for SSTV decoding:" --column="kHz" --column="Use" 145800 "ISS" 434900 "CubeSatSim" Other "Choose another frequency" SSTV "Test SSTV decoding with WAV file")
+autotune=0
+
+frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=220 --title="SSTV Decoding using QSSTV" --text="Choose the frequency for SSTV decoding:" --column="kHz" --column="Use" 145800 "ISS" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" Other "Choose another frequency" SSTV "Test SSTV decoding with WAV file")
 
 echo $frequency
 
@@ -70,6 +72,11 @@ echo
 echo "If your CubeSatSim is transmitting in SSTV mode (mode 4) you should get images."
 echo "Note: if you see and hear an SSTV signal but don't get any images, the CubeSatSim signal might have a frequency offset.  Try rebooting the CubeSatSim to fix."
 
+elif [ "$frequency" = "Auto-tune" ]; then
+
+frequency=434900000
+autotune=1
+
 elif [ "$choice" = "3" ] || [ "$frequency" = "Other" ]; then
 
 echo
@@ -121,24 +128,17 @@ setsid qsstv &
 
 sleep 5
 
-source /home/pi/venv/bin/activate
-python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
-# echo "auto-tune.txt"
-# cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
-threshold="1"
-confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-echo -n "Auto tune confidence: "
-echo $confidence
-
-if [ "$confidence" -le "$threshold" ]; then
-  sleep 10
+if [ "$autotune" = "1" ]; then
+
+  source /home/pi/venv/bin/activate
   python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
-#  echo "auto-tune.txt"
-#  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+  # echo "auto-tune.txt"
+  # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+  threshold="1"
   confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-  echo -n "Auto tune confidence: " 
+  echo -n "Auto tune confidence: "
   echo $confidence
-
+  
   if [ "$confidence" -le "$threshold" ]; then
     sleep 10
     python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
@@ -147,17 +147,28 @@ if [ "$confidence" -le "$threshold" ]; then
     confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
     echo -n "Auto tune confidence: " 
     echo $confidence
+  
+    if [ "$confidence" -le "$threshold" ]; then
+      sleep 10
+      python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
+    #  echo "auto-tune.txt"
+    #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+      confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+      echo -n "Auto tune confidence: " 
+      echo $confidence
+    fi
   fi
-fi
+  
+  if [ "$confidence" -gt "$threshold" ]; then
+    frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+    echo -n "Auto tune frequency: "
+    echo $frequency
+  else
+    echo "Auto tune failed, frequency unchanged"
+  fi
+  echo
 
-if [ "$confidence" -gt "$threshold" ]; then
-  frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-  echo -n "Auto tune frequency: "
-  echo $frequency
-else
-  echo "Auto tune failed, frequency unchanged"
 fi
-echo
 
 #sudo systemctl restart cubesatsim
 

From 73bfd12ab64eb31d37a4a10558c770fb10f3c36a Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:05:10 -0400
Subject: [PATCH 34/63] Update sstv_decode_prompt.sh retry in 5 sec

---
 groundstation/sstv_decode_prompt.sh | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 4b638346..69e49b2a 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -122,25 +122,26 @@ echo
 
 echo -e "Auto decoding SSTV on $frequency Hz"
 
-sleep 2
+#sleep 2
 
 setsid qsstv &
 
-sleep 5
+#sleep 5
 
 if [ "$autotune" = "1" ]; then
-
+  threshold="1"
+  retry="5"
+  
   source /home/pi/venv/bin/activate
   python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
   # echo "auto-tune.txt"
   # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
-  threshold="1"
   confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
   echo -n "Auto tune confidence: "
   echo $confidence
   
   if [ "$confidence" -le "$threshold" ]; then
-    sleep 10
+    sleep $retry
     python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
   #  echo "auto-tune.txt"
   #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
@@ -149,7 +150,7 @@ if [ "$autotune" = "1" ]; then
     echo $confidence
   
     if [ "$confidence" -le "$threshold" ]; then
-      sleep 10
+      sleep $retry
       python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
     #  echo "auto-tune.txt"
     #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt

From 128f7410afc0774fdc2be89a957d9358ce77c12a Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:06:50 -0400
Subject: [PATCH 35/63] Update sstv_decode_prompt.sh prompt window larger

---
 groundstation/sstv_decode_prompt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 69e49b2a..34021670 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -36,7 +36,7 @@ sudo killall -9 rtl_fm &>/dev/null
 
 autotune=0
 
-frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=220 --title="SSTV Decoding using QSSTV" --text="Choose the frequency for SSTV decoding:" --column="kHz" --column="Use" 145800 "ISS" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" Other "Choose another frequency" SSTV "Test SSTV decoding with WAV file")
+frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=420 --title="SSTV Decoding using QSSTV" --text="Choose the frequency for SSTV decoding:" --column="kHz" --column="Use" 145800 "ISS" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" Other "Choose another frequency" SSTV "Test SSTV decoding with WAV file")
 
 echo $frequency
 

From 842c4623bac608d5d99582f3f50c8ec7ebd33860 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:11:56 -0400
Subject: [PATCH 36/63] Update sstv_decode_prompt.sh change prints

---
 groundstation/sstv_decode_prompt.sh | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 34021670..a61b2851 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -137,8 +137,7 @@ if [ "$autotune" = "1" ]; then
   # echo "auto-tune.txt"
   # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
   confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-  echo -n "Auto tune confidence: "
-  echo $confidence
+  echo "Auto tune confidence: " $confidence
   
   if [ "$confidence" -le "$threshold" ]; then
     sleep $retry
@@ -146,8 +145,7 @@ if [ "$autotune" = "1" ]; then
   #  echo "auto-tune.txt"
   #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
     confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-    echo -n "Auto tune confidence: " 
-    echo $confidence
+    echo "Auto tune confidence: " $confidence
   
     if [ "$confidence" -le "$threshold" ]; then
       sleep $retry
@@ -155,19 +153,19 @@ if [ "$autotune" = "1" ]; then
     #  echo "auto-tune.txt"
     #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
       confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-      echo -n "Auto tune confidence: " 
-      echo $confidence
+      echo "Auto tune confidence: " $confidence
     fi
   fi
   
   if [ "$confidence" -gt "$threshold" ]; then
     frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-    echo -n "Auto tune frequency: "
-    echo $frequency
+    echo "Auto tune frequency: " $frequency
   else
     echo "Auto tune failed, frequency unchanged"
   fi
   echo
+  echo "If your CubeSatSim is transmitting in SSTV mode (mode 4) you should get images."
+  echo
 
 fi
 

From c4310cee67525d892943a12b06a3e35943e97ad0 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:13:29 -0400
Subject: [PATCH 37/63] Update sstv_decode_prompt.sh prompt window size

---
 groundstation/sstv_decode_prompt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index a61b2851..25bcbe14 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -36,7 +36,7 @@ sudo killall -9 rtl_fm &>/dev/null
 
 autotune=0
 
-frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=420 --title="SSTV Decoding using QSSTV" --text="Choose the frequency for SSTV decoding:" --column="kHz" --column="Use" 145800 "ISS" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" Other "Choose another frequency" SSTV "Test SSTV decoding with WAV file")
+frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=260 --title="SSTV Decoding using QSSTV" --text="Choose the frequency for SSTV decoding:" --column="kHz" --column="Use" 145800 "ISS" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" Other "Choose another frequency" SSTV "Test SSTV decoding with WAV file")
 
 echo $frequency
 

From 9f8d7e1e1e479afb67390c79805ed9bf8b109244 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:14:22 -0400
Subject: [PATCH 38/63] Update sstv_decode_prompt.sh prompt window size

---
 groundstation/sstv_decode_prompt.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 25bcbe14..22387e69 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -36,7 +36,7 @@ sudo killall -9 rtl_fm &>/dev/null
 
 autotune=0
 
-frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=260 --title="SSTV Decoding using QSSTV" --text="Choose the frequency for SSTV decoding:" --column="kHz" --column="Use" 145800 "ISS" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" Other "Choose another frequency" SSTV "Test SSTV decoding with WAV file")
+frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=270 --title="SSTV Decoding using QSSTV" --text="Choose the frequency for SSTV decoding:" --column="kHz" --column="Use" 145800 "ISS" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" Other "Choose another frequency" SSTV "Test SSTV decoding with WAV file")
 
 echo $frequency
 

From b9e3fdf2f481e1a28654b3ad973715d86a1f8ba9 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:23:40 -0400
Subject: [PATCH 39/63] Update sstv_decode_prompt.sh autotune while loop

---
 groundstation/sstv_decode_prompt.sh | 36 +++++++++++------------------
 1 file changed, 13 insertions(+), 23 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 22387e69..dc350a87 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -129,33 +129,23 @@ setsid qsstv &
 #sleep 5
 
 if [ "$autotune" = "1" ]; then
-  threshold="1"
-  retry="5"
+  threshold=1
+  delay=5
+  retries=5
   
-  source /home/pi/venv/bin/activate
-  python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
-  # echo "auto-tune.txt"
-  # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
-  confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-  echo "Auto tune confidence: " $confidence
-  
-  if [ "$confidence" -le "$threshold" ]; then
-    sleep $retry
+  tries=0
+  confidence=0
+  while [ $tries -le $retries ] && [ "$confidence" -le "$threshold" ]; do
+
+    sleep $delay
+    source /home/pi/venv/bin/activate
     python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
-  #  echo "auto-tune.txt"
-  #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+    # echo "auto-tune.txt"
+    # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
     confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
     echo "Auto tune confidence: " $confidence
-  
-    if [ "$confidence" -le "$threshold" ]; then
-      sleep $retry
-      python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
-    #  echo "auto-tune.txt"
-    #  cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
-      confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-      echo "Auto tune confidence: " $confidence
-    fi
-  fi
+
+  done
   
   if [ "$confidence" -gt "$threshold" ]; then
     frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)

From cdc8c2f607df5702aee314aaa63e6f4b0b398818 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:36:02 -0400
Subject: [PATCH 40/63] Update packet.sh add auto-tune

---
 groundstation/packet.sh | 41 +++++++++++++++++++++++++++++++++++++++--
 1 file changed, 39 insertions(+), 2 deletions(-)

diff --git a/groundstation/packet.sh b/groundstation/packet.sh
index 803e988a..9a6f52f3 100755
--- a/groundstation/packet.sh
+++ b/groundstation/packet.sh
@@ -37,7 +37,9 @@ sudo /etc/init.d/alsa-utils start
 
 echo
 
-frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=360 --title="Packet Decoding with Direwolf" --text="Choose the frequency for packet decoding" --column="kHz" --column="Application" 144390 "APRS US 2m" 434900 "CubeSatSim" 144800 "APRS European 2m" 145175 "APRS Australian 2m" Other "Choose another frequency" 145825 "APRS on ISS" APRS "Test APRS decoding with CubeSatSim WAV file")
+autotune=0
+
+frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=4000 --title="Packet Decoding with Direwolf" --text="Choose the frequency for packet decoding" --column="kHz" --column="Application" 144390 "APRS US 2m" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" 144800 "APRS European 2m" 145175 "APRS Australian 2m" Other "Choose another frequency" 145825 "APRS on ISS" APRS "Test APRS decoding with CubeSatSim WAV file")
 
 #echo $frequency
 
@@ -75,6 +77,10 @@ elif [ "$choice" = "2" ] || [ "$frequency" = "434900" ] ; then
   echo "If your CubeSatSim is transmitting in APRS mode (mode 1) then you should see packets."
   echo
 
+elif [ "$frequency" = "Auto-tune" ] ; then
+
+  frequency=434900000
+
 elif [ "$choice" = "3" ] || [ "$frequency" = "144800" ]; then
 
   frequency=144800000
@@ -155,7 +161,38 @@ echo
 
 #fi
 
-sleep 5
+#sleep 5
+
+if [ "$autotune" = "1" ]; then
+  threshold=1
+  delay=1
+  retries=30
+  
+  tries=0
+  confidence=0
+  while [ $tries -le $retries ] && [ "$confidence" -le "$threshold" ]; do
+
+    sleep $delay
+    source /home/pi/venv/bin/activate
+    python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
+    # echo "auto-tune.txt"
+    # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+    confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+    echo "Auto tune confidence: " $confidence
+
+  done
+  
+  if [ "$confidence" -gt "$threshold" ]; then
+    frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+    echo "Auto tune frequency: " $frequency
+  else
+    echo "Auto tune failed, frequency unchanged"
+  fi
+  echo
+  echo "If your CubeSatSim is transmitting in APRS mode (mode 1) then you should see packets."
+  echo
+
+fi
 
 value=`aplay -l | grep "Loopback"`
 echo "$value" > /dev/null

From 14de4150895ddee432de3dfdf629229a08ece6aa Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:39:36 -0400
Subject: [PATCH 41/63] Update packet.sh turn on autotune

---
 groundstation/packet.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/groundstation/packet.sh b/groundstation/packet.sh
index 9a6f52f3..a541bbae 100755
--- a/groundstation/packet.sh
+++ b/groundstation/packet.sh
@@ -39,7 +39,7 @@ echo
 
 autotune=0
 
-frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=4000 --title="Packet Decoding with Direwolf" --text="Choose the frequency for packet decoding" --column="kHz" --column="Application" 144390 "APRS US 2m" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" 144800 "APRS European 2m" 145175 "APRS Australian 2m" Other "Choose another frequency" 145825 "APRS on ISS" APRS "Test APRS decoding with CubeSatSim WAV file")
+frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=400 --title="Packet Decoding with Direwolf" --text="Choose the frequency for packet decoding" --column="kHz" --column="Application" 144390 "APRS US 2m" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" 144800 "APRS European 2m" 145175 "APRS Australian 2m" Other "Choose another frequency" 145825 "APRS on ISS" APRS "Test APRS decoding with CubeSatSim WAV file")
 
 #echo $frequency
 
@@ -80,6 +80,7 @@ elif [ "$choice" = "2" ] || [ "$frequency" = "434900" ] ; then
 elif [ "$frequency" = "Auto-tune" ] ; then
 
   frequency=434900000
+  autotune=1
 
 elif [ "$choice" = "3" ] || [ "$frequency" = "144800" ]; then
 

From a8f1a4095f6c5c8176ddbd4bfae1bbc6eed17660 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:42:10 -0400
Subject: [PATCH 42/63] Update packet.sh remove delay

---
 groundstation/packet.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/packet.sh b/groundstation/packet.sh
index a541bbae..ed28f12c 100755
--- a/groundstation/packet.sh
+++ b/groundstation/packet.sh
@@ -173,7 +173,7 @@ if [ "$autotune" = "1" ]; then
   confidence=0
   while [ $tries -le $retries ] && [ "$confidence" -le "$threshold" ]; do
 
-    sleep $delay
+#    sleep $delay
     source /home/pi/venv/bin/activate
     python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
     # echo "auto-tune.txt"

From 27cbf1a822e79457fc7efb2e8cb202915c4f8796 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 09:47:53 -0400
Subject: [PATCH 43/63] Update packet.sh add auto-tune text

---
 groundstation/packet.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/groundstation/packet.sh b/groundstation/packet.sh
index ed28f12c..7c4ee945 100755
--- a/groundstation/packet.sh
+++ b/groundstation/packet.sh
@@ -168,7 +168,9 @@ if [ "$autotune" = "1" ]; then
   threshold=1
   delay=1
   retries=30
-  
+
+  echo "Starting Auto-tune scanning"
+  echo "Scan will stop when confidence exceeds threshold value of " $threshold " or after " $retries " retries"
   tries=0
   confidence=0
   while [ $tries -le $retries ] && [ "$confidence" -le "$threshold" ]; do

From 3293b75c6af4d43d915d8326cb7972217466a71d Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 10:20:10 -0400
Subject: [PATCH 44/63] Update sstv_decode_prompt.sh add starting auto tune
 message

---
 groundstation/sstv_decode_prompt.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index dc350a87..19588782 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -132,7 +132,9 @@ if [ "$autotune" = "1" ]; then
   threshold=1
   delay=5
   retries=5
-  
+
+  echo "Starting Auto-tune scanning"
+  echo "Scan will stop when confidence exceeds threshold value of " $threshold " or after " $retries " retries"
   tries=0
   confidence=0
   while [ $tries -le $retries ] && [ "$confidence" -le "$threshold" ]; do

From 249887715b94a12c87a01ccde35e64af413b9a9c Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 10:22:06 -0400
Subject: [PATCH 45/63] Update sstv_decode_prompt.sh fix echos

---
 groundstation/sstv_decode_prompt.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 19588782..4ed695a4 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -134,7 +134,7 @@ if [ "$autotune" = "1" ]; then
   retries=5
 
   echo "Starting Auto-tune scanning"
-  echo "Scan will stop when confidence exceeds threshold value of " $threshold " or after " $retries " retries"
+  echo "Scan will stop when confidence exceeds threshold value of" $threshold "or after" $retries "retries"
   tries=0
   confidence=0
   while [ $tries -le $retries ] && [ "$confidence" -le "$threshold" ]; do
@@ -145,13 +145,13 @@ if [ "$autotune" = "1" ]; then
     # echo "auto-tune.txt"
     # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
     confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-    echo "Auto tune confidence: " $confidence
+    echo "Auto tune confidence:" $confidence
 
   done
   
   if [ "$confidence" -gt "$threshold" ]; then
     frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
-    echo "Auto tune frequency: " $frequency
+    echo "Auto tune frequency:" $frequency
   else
     echo "Auto tune failed, frequency unchanged"
   fi

From ec1c707164688ab719863687c5618fef35b372a7 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 10:24:35 -0400
Subject: [PATCH 46/63] Update sstv_decode_prompt.sh subtract 2 second delay

---
 groundstation/sstv_decode_prompt.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index 4ed695a4..e7710011 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -137,6 +137,7 @@ if [ "$autotune" = "1" ]; then
   echo "Scan will stop when confidence exceeds threshold value of" $threshold "or after" $retries "retries"
   tries=0
   confidence=0
+  delay=$((delay-2))  # subtract 2 second built in delay
   while [ $tries -le $retries ] && [ "$confidence" -le "$threshold" ]; do
 
     sleep $delay

From bbe606672d2d6891d9a032e96a22fcbe6d16b902 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 10:27:10 -0400
Subject: [PATCH 47/63] Update sstv_decode_prompt.sh increment tries

---
 groundstation/sstv_decode_prompt.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/groundstation/sstv_decode_prompt.sh b/groundstation/sstv_decode_prompt.sh
index e7710011..ea3c396d 100755
--- a/groundstation/sstv_decode_prompt.sh
+++ b/groundstation/sstv_decode_prompt.sh
@@ -147,6 +147,7 @@ if [ "$autotune" = "1" ]; then
     # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
     confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
     echo "Auto tune confidence:" $confidence
+    tries=$((tries+1))
 
   done
   

From 8a3a1a07f227cc4f8dff25327f9e5a0ba319525a Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 28 Oct 2025 10:31:20 -0400
Subject: [PATCH 48/63] Update packet.sh add tries increment

---
 groundstation/packet.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/groundstation/packet.sh b/groundstation/packet.sh
index 7c4ee945..3835a581 100755
--- a/groundstation/packet.sh
+++ b/groundstation/packet.sh
@@ -182,6 +182,7 @@ if [ "$autotune" = "1" ]; then
     # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
     confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
     echo "Auto tune confidence: " $confidence
+    tries=$((tries+1))
 
   done
   

From 07fc9aeb7f667ba17206878716776e1d5d463a60 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Wed, 29 Oct 2025 14:14:23 -0400
Subject: [PATCH 49/63] Update fctelem.sh add auto-tune

---
 groundstation/fctelem.sh | 40 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

diff --git a/groundstation/fctelem.sh b/groundstation/fctelem.sh
index 4beb88a3..c2682806 100755
--- a/groundstation/fctelem.sh
+++ b/groundstation/fctelem.sh
@@ -80,8 +80,9 @@ else
     echo
 fi
 
+autotune=0
 
-frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=180 --title="FUNcube Telem Decoding" --text="Choose the frequency for FUNcube decoding:" --column="kHz" --column="Use" 434900 "CubeSatSim" Other "Choose another frequency")
+frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=220 --title="FUNcube Telem Decoding" --text="Choose the frequency for FUNcube decoding:" --column="kHz" --column="Use" 434900 "CubeSatSim" Auto-tune "CubeSatSim Auto-tune" Other "Choose another frequency")
 
 echo $frequency
 
@@ -96,6 +97,11 @@ if [ "$frequency" = "434900" ]; then
 
 	frequency=434900000
 
+elif [ "$frequency" = "Auto-tune" ]; then
+
+	frequency=434900000
+	autotune=1
+
 elif [ "$frequency" = "Other" ]; then
 
 	echo
@@ -110,6 +116,38 @@ elif [ "$frequency" = "Other" ]; then
 
 fi
 
+if [ "$autotune" = "1" ]; then
+  threshold=1
+  delay=5
+  retries=5
+
+  echo "Starting Auto-tune scanning"
+  echo "Scan will stop when confidence exceeds threshold value of" $threshold "or after" $retries "retries"
+  tries=0
+  confidence=0
+  delay=$((delay-2))  # subtract 2 second built in delay
+  while [ $tries -le $retries ] && [ "$confidence" -le "$threshold" ]; do
+
+    sleep $delay
+    source /home/pi/venv/bin/activate
+    python3 /home/pi/CubeSatSim/groundstation/auto-tune.py 434900000 n 2> null > /home/pi/CubeSatSim/groundstation/auto-tune.txt
+    # echo "auto-tune.txt"
+    # cat /home/pi/CubeSatSim/groundstation/auto-tune.txt
+    confidence=$(awk '{print $2}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+    echo "Auto tune confidence:" $confidence
+    tries=$((tries+1))
+
+  done
+  
+  if [ "$confidence" -gt "$threshold" ]; then
+    frequency=$(awk '{print $1}' /home/pi/CubeSatSim/groundstation/auto-tune.txt)
+    echo "Auto tune frequency:" $frequency
+  else
+    echo "Auto tune failed, frequency unchanged"
+  fi
+
+fi
+
 echo "Frequency is" $frequency
 echo
 echo "If your CubeSatSim is transmitting in FUNcube mode (mode 7) you should get some frames after 30 seconds"

From 8efbdcb94171bf46a4bc82446e396f87b8119c77 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Wed, 29 Oct 2025 14:17:59 -0400
Subject: [PATCH 50/63] Update fctelem.sh 10 sec delay

---
 groundstation/fctelem.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/groundstation/fctelem.sh b/groundstation/fctelem.sh
index c2682806..c87fa46b 100755
--- a/groundstation/fctelem.sh
+++ b/groundstation/fctelem.sh
@@ -148,6 +148,8 @@ if [ "$autotune" = "1" ]; then
 
 fi
 
+sleep 10
+
 echo "Frequency is" $frequency
 echo
 echo "If your CubeSatSim is transmitting in FUNcube mode (mode 7) you should get some frames after 30 seconds"

From 52c0a2a930c1fc8e51bdfb4d98807f2599e0160e Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Wed, 29 Oct 2025 14:48:56 -0400
Subject: [PATCH 51/63] Update fctelem.sh 5 second delay

---
 groundstation/fctelem.sh | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/groundstation/fctelem.sh b/groundstation/fctelem.sh
index c87fa46b..0b4c92a3 100755
--- a/groundstation/fctelem.sh
+++ b/groundstation/fctelem.sh
@@ -146,10 +146,9 @@ if [ "$autotune" = "1" ]; then
     echo "Auto tune failed, frequency unchanged"
   fi
 
+sleep 5
 fi
 
-sleep 10
-
 echo "Frequency is" $frequency
 echo
 echo "If your CubeSatSim is transmitting in FUNcube mode (mode 7) you should get some frames after 30 seconds"

From 4aaa8daabed36194f0c01f8f4ef8431346eb8f7a Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Wed, 29 Oct 2025 15:22:51 -0400
Subject: [PATCH 52/63] Update auto-tune.py catch rtl failure

---
 groundstation/auto-tune.py | 138 +++++++++++++++++++------------------
 1 file changed, 70 insertions(+), 68 deletions(-)

diff --git a/groundstation/auto-tune.py b/groundstation/auto-tune.py
index d49ab3f6..b7808902 100644
--- a/groundstation/auto-tune.py
+++ b/groundstation/auto-tune.py
@@ -18,74 +18,76 @@ if __name__ == "__main__":
         
 	sampling_rate = 1024e3 # 250e3 # Hz
 	duration = 65536/sampling_rate # 1          # seconds
-	t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
-	
-	sdr = RtlSdr()
-	
-	# configure device
-	sdr.sample_rate = sampling_rate # 250e3 # 2.4e6
-	#center_frequency = 434.8e6
-	sdr.center_freq = center_frequency
-	sdr.gain = 47
-	sdr.direct_sampling = False
-	
-	# signal = sdr.read_samples(64*1024) #256
-	signal = sdr.read_samples(duration*sampling_rate).real #256
-	
-#	print(f"Center frequency is {center_frequency}")
-	
-	sdr.close()
-	
-	# Compute the FFT
-	fft_result = np.fft.fft(signal)
-	
-	# Calculate the frequencies corresponding to the FFT output
-	n = len(signal)
-	frequencies = np.fft.fftfreq(n, d=1/sampling_rate)
-	
-	# Take the absolute value for amplitude spectrum and consider only the positive frequencies
-	positive_frequencies_indices = np.where(frequencies >= 0)
-	positive_frequencies = frequencies[positive_frequencies_indices]
-	amplitude_spectrum = 2/n * np.abs(fft_result[positive_frequencies_indices]) # Normalize for amplitude
-	
-	if (graph == 'y'):
-	  # Plotting the results
-	  plt.figure(figsize=(12, 6))
-	  
-	  plt.subplot(1, 2, 1)
-	  plt.plot(t, signal)
-	  plt.title('Time Domain Signal')
-	  plt.xlabel('Time (s)')
-	  plt.ylabel('Amplitude')
-	  
-	  plt.subplot(1, 2, 2)
-	  plt.stem(positive_frequencies, amplitude_spectrum, markerfmt=" ", basefmt="-b")
-	  plt.title('Frequency Domain (FFT)')
-	  plt.xlabel('Frequency (Hz)')
-	  plt.ylabel('Amplitude')
-	  plt.grid(True)
-	  
-	  plt.tight_layout()
-	  plt.show()
-	
-	# print(amplitude_spectrum)
-	x = amplitude_spectrum 
-	# print(x)
-	min_value = min(x)
-	max_value = max(x) * 100
-	
-	#freq_min = np.argmax(min_value)
-	# print(np.argmax(x))
-	# print(np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
-	# print(sampling_rate)
-	# print(center_frequency)
-	
-	offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
-	freq_max = center_frequency + offset + 2000
 	
+	try:	
+		sdr = RtlSdr()
+		
+		# configure device
+		sdr.sample_rate = sampling_rate # 250e3 # 2.4e6
+		#center_frequency = 434.8e6
+		sdr.center_freq = center_frequency
+		sdr.gain = 47
+		sdr.direct_sampling = False
+		
+		# signal = sdr.read_samples(64*1024) #256
+		signal = sdr.read_samples(duration*sampling_rate).real #256
+		
+	#	print(f"Center frequency is {center_frequency}")
+		
+		sdr.close()
+		
+		# Compute the FFT
+		fft_result = np.fft.fft(signal)
+		
+		# Calculate the frequencies corresponding to the FFT output
+		n = len(signal)
+		frequencies = np.fft.fftfreq(n, d=1/sampling_rate)
+		
+		# Take the absolute value for amplitude spectrum and consider only the positive frequencies
+		positive_frequencies_indices = np.where(frequencies >= 0)
+		positive_frequencies = frequencies[positive_frequencies_indices]
+		amplitude_spectrum = 2/n * np.abs(fft_result[positive_frequencies_indices]) # Normalize for amplitude
+		
+		if (graph == 'y'):
+		  # Plotting the results
+		  t = np.linspace(0, duration, int(sampling_rate * duration), endpoint=False)
+			
+		  plt.figure(figsize=(12, 6))
+		  
+		  plt.subplot(1, 2, 1)
+		  plt.plot(t, signal)
+		  plt.title('Time Domain Signal')
+		  plt.xlabel('Time (s)')
+		  plt.ylabel('Amplitude')
+		  
+		  plt.subplot(1, 2, 2)
+		  plt.stem(positive_frequencies, amplitude_spectrum, markerfmt=" ", basefmt="-b")
+		  plt.title('Frequency Domain (FFT)')
+		  plt.xlabel('Frequency (Hz)')
+		  plt.ylabel('Amplitude')
+		  plt.grid(True)
+		  
+		  plt.tight_layout()
+		  plt.show()
+		
+		# print(amplitude_spectrum)
+		x = amplitude_spectrum 
+		# print(x)
+		min_value = min(x)
+		max_value = max(x) * 100
+		
+		#freq_min = np.argmax(min_value)
+		# print(np.argmax(x))
+		# print(np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+		# print(sampling_rate)
+		# print(center_frequency)
+		
+		offset = (np.argmax(x)*(150e3 - 10e3)/(9770 - 709))
+		freq_max = center_frequency + offset + 2000
+	except: # if no RTL-SDR or in use, stop scanning with high max value and center frequency
+		max_value = 100
+		freq_max = center_frequency + 200e3 # should be 434900000
+		
 	print(f" {freq_max:.0f} {max_value:.0f}")
-	#print(f"The minimum signal is {min_value} at frequency {freq_min}")
-	
-	#print(min_value)
-	#print(max_value)
+
 	

From 122aa7d912ac881b6e0e1fd450bee3de3acbf20a Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 26 May 2026 07:38:44 -0400
Subject: [PATCH 53/63] Update install wiringpi v3 not v2

---
 install | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/install b/install
index 964e13ed..5b7813c9 100755
--- a/install
+++ b/install
@@ -404,12 +404,20 @@ fi
 	sudo systemctl disable gpsd
 	sudo systemctl disable gpsd.socket
 
-if [ ! -d "/home/pi/WiringPi" ]; then
-	cd
-	git clone https://github.com/alanbjohnston/WiringPi
-	cd WiringPi
+#if [ ! -d "/home/pi/WiringPi" ]; then
+#	cd
+#	git clone https://github.com/alanbjohnston/WiringPi
+#	cd WiringPi
+#	./build debian
+#	sudo dpkg -i debian-template/wiringpi-2.61-1.deb
+#fi
+
+if [ ! -d "/home/pi/WiringPi3" ]; then
+	git clone https://github.com/WiringPi/WiringPi.git WiringPi3
+	cd WiringPi3
 	./build debian
-	sudo dpkg -i debian-template/wiringpi-2.61-1.deb
+	mv debian-template/wiringpi*.deb .
+	sudo apt install ./wiringpi*.deb
 fi
 
 cd

From 92ca8ce4134a20bda5c8f11a1604141e0042b9c0 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 26 May 2026 07:47:27 -0400
Subject: [PATCH 54/63] Update install add cd to wiringpi 3

---
 install | 1 +
 1 file changed, 1 insertion(+)

diff --git a/install b/install
index 5b7813c9..6bdc4212 100755
--- a/install
+++ b/install
@@ -413,6 +413,7 @@ fi
 #fi
 
 if [ ! -d "/home/pi/WiringPi3" ]; then
+	cd
 	git clone https://github.com/WiringPi/WiringPi.git WiringPi3
 	cd WiringPi3
 	./build debian

From c4b2fd95c6ba21dafead1bb800f7b895a533a875 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Thu, 28 May 2026 15:46:40 -0400
Subject: [PATCH 55/63] Update pacsat.sh fix unzip on PacSatGround, Loop not
 fixed yet

---
 groundstation/pacsat.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/pacsat.sh b/groundstation/pacsat.sh
index 58c803c7..bf154188 100755
--- a/groundstation/pacsat.sh
+++ b/groundstation/pacsat.sh
@@ -133,7 +133,7 @@ else
     cd
     sudo rm PacSatGround.zip &>/dev/null
     wget https://github.com/alanbjohnston/CubeSatSim/raw/refs/heads/master-b/spacecraft/PacSatGround_0.46o/PacSatGround.zip
-    unzip PacSatGround.zip -d PacSatGround
+    unzip PacSatGround.zip 
     sudo rm PacSatGround.zip
 
     FILE=/home/pi/Desktop/PacsatGround/spacecraft/PacSatSim.properties

From 08b31d5407da6c4f96a51e647afcf1bb808540cb Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Thu, 28 May 2026 16:39:00 -0400
Subject: [PATCH 56/63] Update pacsat.sh only do rtl_test if no TXC

---
 groundstation/pacsat.sh | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/groundstation/pacsat.sh b/groundstation/pacsat.sh
index bf154188..1318e738 100755
--- a/groundstation/pacsat.sh
+++ b/groundstation/pacsat.sh
@@ -43,16 +43,19 @@ if [[ $(gpio -g read 7 | grep 0) ]] ; then
 else
   echo "TXC not present"
   txc=0
-fi  
 
-timeout 1 rtl_test &> out.txt
-if [[ $(grep "No supported" out.txt) ]] ; then
-  echo "No RTL-SDR detected"
-  rtl=0
-else
-  echo "RTL-SDR detected."
-  rtl=1
-fi
+  timeout 1 rtl_test &> out.txt
+  if [[ $(grep "No supported" out.txt) ]] ; then
+    echo "No RTL-SDR detected"
+    rtl=0
+  else
+    echo "RTL-SDR detected."
+    rtl=1
+  fi
+
+  sudo killall -9 rtl_test &>/dev/null
+  
+fi  
 
 FILE=/home/pi/CubeSatSim/battery_saver
 if [ -f "$FILE" ]; then

From 404695d347a26aa0f9519d55da024ef1d6f0c762 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Thu, 28 May 2026 16:42:48 -0400
Subject: [PATCH 57/63] Update pacsat.sh make sure rtl_test is killed at end

---
 groundstation/pacsat.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/groundstation/pacsat.sh b/groundstation/pacsat.sh
index 1318e738..e5c6cd87 100755
--- a/groundstation/pacsat.sh
+++ b/groundstation/pacsat.sh
@@ -310,6 +310,8 @@ else
 
 fi
 
+sudo killall -9 rtl_test &>/dev/null
+
 sleep 10
 
 #echo "Stopping Pacsatsim"

From a5a3f5c137ddba6d1236ece7f92ac2c5b6611748 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Thu, 28 May 2026 22:56:30 -0400
Subject: [PATCH 58/63] Update install add libraspberrypi-dev for rpitx

---
 install | 1 +
 1 file changed, 1 insertion(+)

diff --git a/install b/install
index 6bdc4212..1992de40 100755
--- a/install
+++ b/install
@@ -620,6 +620,7 @@ fi
 
 if [ ! -d "/home/pi/rpitx" ]; then
 
+	sudo apt install -y libraspberrypi-dev
 	cd
 	git clone https://github.com/alanbjohnston/rpitx.git
 	cd rpitx

From 17270c255aeb61fd02e6e868147a791576428c2b Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Thu, 28 May 2026 23:08:01 -0400
Subject: [PATCH 59/63] Update config don't check for rtl_sdr

---
 config | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/config b/config
index 36379864..324a5512 100755
--- a/config
+++ b/config
@@ -355,14 +355,14 @@ if [ "$1" = "" ]; then
 	  txc=0
 	fi  
 	
-	timeout 1 rtl_test &> out.txt
-	if [[ $(grep "No supported" out.txt) ]] ; then
+#	timeout 1 rtl_test &> out.txt
+#	if [[ $(grep "No supported" out.txt) ]] ; then
 #	  echo "No RTL-SDR detected"
-	  rtl=0
-	else
-	  echo "RTL-SDR detected"
-	  rtl=1
-	fi
+#	  rtl=0
+#	else
+#	  echo "RTL-SDR detected"
+#	  rtl=1
+#	fi
 
 	echo
 	echo -e "Current sim.cfg configuration file:"	

From 6a9da94b094c69f368eaf95c6f1d3fb68f476bf8 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Fri, 29 May 2026 09:16:55 -0400
Subject: [PATCH 60/63] Update pacsat.sh fix Loop unzip

---
 groundstation/pacsat.sh | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/groundstation/pacsat.sh b/groundstation/pacsat.sh
index e5c6cd87..68f390c4 100755
--- a/groundstation/pacsat.sh
+++ b/groundstation/pacsat.sh
@@ -111,6 +111,12 @@ elif [ "$loopback" = "1" ] ; then
     unzip PacSatGround.zip -d PacSatGroundLoop
     sudo rm PacSatGround.zip
 
+    mkdir PacSatGroundLoop/spacecraft
+    mv PacSatGroundLoop/PacSatGround/spacecraft/PacSatSim.properties PacSatGroundLoop/spacecraft/PacSatSim.properties
+    mv PacSatGroundLoop/PacSatGround/stp.dat PacSatGroundLoop/stp.dat
+    mv PacSatGroundLoop/PacSatGround/seq.dat PacSatGroundLoop/seq.dat
+    mv PacSatGroundLoop/PacSatGround/PacSatGround.properties PacSatGroundLoop/PacSatGround.properties
+
     sudo sed -i 's/logfile_dir=\/home\/pi\/PacSatGround/logfile_dir=\/home\/pi\/PacSatGroundLoop/g' /home/pi/PacSatGroundLoop/PacSatGround.properties
 
     FILE=/home/pi/Desktop/PacsatGround/spacecraft/PacSatSim.properties

From e48df7ce5edd1ff818ee4a43e80fba5ae353717a Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Fri, 29 May 2026 09:52:39 -0400
Subject: [PATCH 61/63] Update pacsatsim.sh don't do rtl_test

---
 pacsatsim.sh | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/pacsatsim.sh b/pacsatsim.sh
index 24350f6b..49213e18 100755
--- a/pacsatsim.sh
+++ b/pacsatsim.sh
@@ -50,14 +50,14 @@ else
   txc=0
 fi  
 
-timeout 1 rtl_test &> out.txt
-if [[ $(grep "No supported" out.txt) ]] ; then
-  echo "No RTL-SDR detected"
-  rtl=0
-else
-  echo "RTL-SDR detected."
-  rtl=1
-fi
+#timeout 1 rtl_test &> out.txt
+#if [[ $(grep "No supported" out.txt) ]] ; then
+#  echo "No RTL-SDR detected"
+#  rtl=0
+#else
+#  echo "RTL-SDR detected."
+#  rtl=1
+#fi
 
 value=`cat /home/pi/CubeSatSim/sim.cfg`
 echo "$value" > /dev/null

From 2b9c828d47f43444f8a4abee9559767fff11f7fd Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Fri, 29 May 2026 15:38:51 -0400
Subject: [PATCH 62/63] Update sdr.sh add --password-store=basic to avoid
 keychain prompt in Chromium

---
 groundstation/sdr.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/sdr.sh b/groundstation/sdr.sh
index 54ddb7a3..11298cd9 100755
--- a/groundstation/sdr.sh
+++ b/groundstation/sdr.sh
@@ -59,7 +59,7 @@ sudo systemctl restart openwebrx
 
 sleep 10
 
-setsid chromium-browser --check-for-update-interval=1 --simulate-critical-update  --noerrdialogs --disable-infobars --app=http://localhost:8073 &>/dev/null & 
+setsid chromium-browser --password-store=basic --check-for-update-interval=1 --simulate-critical-update  --noerrdialogs --disable-infobars --app=http://localhost:8073 &>/dev/null & 
 
 sleep 10
 

From 7a48f51be49ce6bfb1705e17052462b77b299834 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Fri, 29 May 2026 16:19:24 -0400
Subject: [PATCH 63/63] Update pacsat-run.sh don't kill dire wolf on exit

---
 groundstation/pacsat-run.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/groundstation/pacsat-run.sh b/groundstation/pacsat-run.sh
index d19b9dba..89e0252c 100755
--- a/groundstation/pacsat-run.sh
+++ b/groundstation/pacsat-run.sh
@@ -78,7 +78,7 @@ sudo killall -9 direwolf &>/dev/null
        
     fi  
     
-sudo killall -9 direwolf &>/dev/null
+# sudo killall -9 direwolf &>/dev/null
 
 sleep 10