From 609fd96e5cf4fa1b38f37d5907a1c55feeb1a7d3 Mon Sep 17 00:00:00 2001
From: Alan Johnston <alan.b.johnston@gmail.com>
Date: Tue, 21 Jul 2026 13:59:46 -0400
Subject: [PATCH] Update transmit.py fix AO-73 doppler

---
 transmit.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/transmit.py b/transmit.py
index b10a931f..044b86b4 100644
--- a/transmit.py
+++ b/transmit.py
@@ -576,8 +576,8 @@ def update_doppler(fm="yes"):
 				rx_center = 435250000 
 				print("AO-91 detected!")
 			elif (tx_frequency > 145965000) and (tx_frequency < 145975000):
-				tx_center = 145970000 # AO-73 center is shifted up 10kHz to avoid overlap with AO-91
-				rx_center = 435150000 
+				tx_center = 145960000 # AO-73 detection is shifted up 10kHz to avoid overlap with AO-91
+				rx_center = 435140000 
 				print("AO-73 detected!")				
 			elif (tx_frequency > 145795000) and (tx_frequency < 145805000):	
 				tx_center = 145800000 # ISS U/V Repeater