From 44921bd65dd0701e783a9f99dcda32204d3f0279 Mon Sep 17 00:00:00 2001
From: Thomas Kolb <cfr34k-git@tkolb.de>
Date: Fri, 20 Sep 2024 23:10:49 +0200
Subject: [PATCH] Decrease the AGC bandwidth during signal acquisition

This prevents rapid squelch activation/deactivation if only noise is present.
The AGC bandwidth was tuned such that it still allows preambles to be detected
reliably.
---
 impl/src/layer1/rx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/impl/src/layer1/rx.c b/impl/src/layer1/rx.c
index 4415813..a0027b5 100644
--- a/impl/src/layer1/rx.c
+++ b/impl/src/layer1/rx.c
@@ -33,7 +33,7 @@
 #define HEADER_SIZE_BYTES 2
 #define FREQ_EST_L 24
 
-#define AGC_BW_ACQUISITION 5e-2f
+#define AGC_BW_ACQUISITION 3e-2f
 #define AGC_BW_TRACKING    1e-4f
 
 #define SQUELCH_TIMEOUT_MS 2