diff --git a/auto_rx/autorx/__init__.py b/auto_rx/autorx/__init__.py
index 2d1ddcc..348e57d 100644
--- a/auto_rx/autorx/__init__.py
+++ b/auto_rx/autorx/__init__.py
@@ -12,7 +12,7 @@ from queue import Queue
 # MINOR - New sonde type support, other fairly big changes that may result in telemetry or config file incompatability issus.
 # PATCH - Small changes, or minor feature additions.
 
-__version__ = "1.7.3-beta14"
+__version__ = "1.7.3-beta15"
 
 
 # Global Variables
diff --git a/auto_rx/autorx/decode.py b/auto_rx/autorx/decode.py
index 1b0bcb6..6f57717 100644
--- a/auto_rx/autorx/decode.py
+++ b/auto_rx/autorx/decode.py
@@ -1368,7 +1368,7 @@ class SondeDecoder(object):
                 demod_cmd += f" tee {self.save_decode_iq_path} |"
 
             # Trying out using the mask estimator here to reduce issues with interference
-            demod_cmd += "./fsk_demod --cs16 -s -b %d -u %d --mask 60000 --stats=%d 2 %d %d - -" % (
+            demod_cmd += "./fsk_demod --cs16 -s -b %d -u %d --mask 50000 --stats=%d 2 %d %d - -" % (
                 _lower,
                 _upper,
                 _stats_rate,