diff --git a/README.md b/README.md
index 3b121c58..b4fe126b 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ To tweak the internals, more parameters can be passed:
 ```
 The defaults are:
 ```
---gain=auto-verbose,43.9,24,28,245
+--gain=auto-verbose,43.9,25,31,245
 ```
 The thresholds are numbers 0 to 256, tweaking them requires some understanding of how it works.
 One option would be to change the noise thresholds up or down and then observe the log.
diff --git a/readsb.c b/readsb.c
index 67804ada..188a83c0 100644
--- a/readsb.c
+++ b/readsb.c
@@ -121,8 +121,8 @@ static void configSetDefaults(void) {
 
     // 8 bit autogain defaults, will be squared and compared against magnitude data
     Modes.loudThreshold = 245;
-    Modes.noiseLowThreshold = 24;
-    Modes.noiseHighThreshold = 28;
+    Modes.noiseLowThreshold = 25;
+    Modes.noiseHighThreshold = 31;
 
     Modes.freq = MODES_DEFAULT_FREQ;
     Modes.check_crc = 1;