adding SSTV scripts and desktops

groundstation/sstv_cam.desktop

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+[Desktop Entry]
+Name=SSTV Camera Tx
+GenericName=Transmit SSTV from CubeSatSim using camera
+Comment=434.9 MHz SSTV signals
+Exec=/home/pi/CubeSatSim/groundstation/sstv.sh
+Icon=/usr/share/qsstv/qsstv.png
+Terminal=true
+Type=Application
+Categories=HamRadio;
+Keywords=SSTV;CubeSatSim;

groundstation/sstv_decode_iss.desktop

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+[Desktop Entry]
+Name=SSTV Decode ISS 
+GenericName=Decodes SSTV from ISS using rtl_fm and QSSTV
+Comment=145.8 MHz SSTV signals
+Exec=/home/pi/CubeSatSim/groundstation/sstv_decode_iss.sh
+Icon=/usr/share/qsstv/qsstv.png
+Terminal=true
+Type=Application
+Categories=HamRadio;
+Keywords=SSTV;ISS;

groundstation/sstv_decode_iss.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+# script to decode SSTV using rtl_fm and QSSTV from the CubeSatSim
+
+echo "Script to decode SSTV from the CubeSatSim for ARISS Radio Pi"
+
+echo
+
+sudo modprobe snd-aloop
+
+sudo systemctl stop openwebrx
+
+sudo systemctl stop rtl_tcp
+
+pkill -o chromium &>/dev/null
+
+sudo killall -9 rtl_fm &>/dev/null
+
+sudo killall -9 qsstv &>/dev/null
+
+sudo killall -9 rtl_tcp &>/dev/null
+
+sudo killall -9 java &>/dev/null
+
+sudo killall -9 CubicSDR &>/dev/null
+
+rtl_fm -M fm -f 145.8M -s 48k | aplay -D hw:2,0,0 -r 48000 -t raw -f S16_LE -c 1 
+qsstv &
+
+$SHELL

groundstation/sstv_decode_sim.desktop

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+[Desktop Entry]
+Name=SSTV Decode CubeSatSim
+GenericName=Decodes SSTV from CubeSatSim using rtl_fm and QSSTV
+Comment=434.9 MHz SSTV signals
+Exec=/home/pi/CubeSatSim/groundstation/sstv_decode_sim.sh
+Icon=/usr/share/qsstv/qsstv.png
+Terminal=true
+Type=Application
+Categories=HamRadio;
+Keywords=SSTV;CubeSatSim;

groundstation/sstv_decode_sim.sh

@@ -0,0 +1,33 @@
+#!/bin/bash
+# script to decode SSTV using rtl_fm and QSSTV from the CubeSatSim
+
+echo "Script to decode SSTV from the CubeSatSim for ARISS Radio Pi"
+
+echo
+
+sudo modprobe snd-aloop
+
+sudo systemctl stop openwebrx
+
+sudo systemctl stop rtl_tcp
+
+pkill -o chromium &>/dev/null
+
+sudo killall -9 rtl_fm &>/dev/null
+
+sudo killall -9 qsstv &>/dev/null
+
+sudo killall -9 rtl_tcp &>/dev/null
+
+sudo killall -9 java &>/dev/null
+
+sudo killall -9 CubicSDR &>/dev/null
+
+echo "ARG1=s" >> .mode
+
+sudo systemctl restart cubesatsim
+
+rtl_fm -M fm -f 434.9M -s 48k | aplay -D hw:2,0,0 -r 48000 -t raw -f S16_LE -c 1 
+qsstv &
+
+$SHELL