When using digital modes such as FT8, I disable AGC completely.

  

David, AK2L

  

  

From: Black Michael via wsjt-devel <wsjt-devel@lists.sourceforge.net> 
Sent: Wednesday, August 7, 2024 08:30
To: WSJTX Group <m...@wsjtx.groups.io>; WSJT Software Development 
<wsjt-devel@lists.sourceforge.net>; Wsjt Improved 
<wsjt-x-improved-commun...@lists.sourceforge.net>
Cc: Black Michael <mdblac...@yahoo.com>
Subject: [wsjt-devel] AGC affecting SuperFox decoding #FH

  

We noticed a phenomena on the IC-7300 where the AGC is interfering with 
SuperFox decoding.   I'm interested in seeing if anybody else sees this on 
other rigs.     May explain why RR73's are being missed.

With AGC on slow we see large variations in the signal strength.

With AGC off these variations disappear.

  

Top one is AGC off -- bottom is AGC slow which is 3 seconds for the IC-7300 by 
default.



  

Mike W9MDB

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