From 18eb9119befce6fd593abaaffac5f267dba07c43 Mon Sep 17 00:00:00 2001
From: Phil Taylor <phil@m0vse.uk>
Date: Wed, 22 Sep 2021 10:39:35 +0100
Subject: [PATCH] Only send RX antenna byte to rig when it has an RX antenna
 option in rigCaps

---
 rigcommander.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/rigcommander.cpp b/rigcommander.cpp
index 7cc4d1c..78121cb 100644
--- a/rigcommander.cpp
+++ b/rigcommander.cpp
@@ -3802,7 +3802,9 @@ void rigCommander::setAntenna(unsigned char ant, bool rx)
 {
     QByteArray payload("\x12");
     payload.append(ant);
-    payload.append((unsigned char)rx); // 0x00 = use for TX and RX
+    if (rigCaps.hasRXAntenna) {
+        payload.append((unsigned char)rx); // 0x00 = use for TX and RX
+    }
     prepDataAndSend(payload);
 }