From e4d78b36014ba858108d7e0d2ac8747706ec9e42 Mon Sep 17 00:00:00 2001 From: Alan Johnston Date: Sun, 19 Jul 2026 09:17:16 -0400 Subject: [PATCH] Update transmit.py change sign of 70cm doppler --- transmit.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/transmit.py b/transmit.py index 3fe57f08..e79db1fe 100644 --- a/transmit.py +++ b/transmit.py @@ -537,7 +537,7 @@ def update_doppler(fm="yes"): tx_center = 145960000 # AO-73 rx_center = 435140000 tx_doppler_shift = vfoB_frequency - tx_center - rx_doppler_shift = (rx_center/tx_center) * tx_doppler_shift + rx_doppler_shift = -1 * (rx_center/tx_center) * tx_doppler_shift new_tx_frequency = vfoB_frequency new_rx_frequency = rx_center + rx_doppler_shift print("Calculating RX frequency using offset from TX frequency!")