Richard,

You may check your transmitter passband by selecting None in the Split 
Operation. Then your transmit frequency is not jumped at 1500 and 2000 Hz 
boundaries. 

 

73, Reino OH3mA

 

From: Richard Shaw via wsjt-devel <wsjt-devel@lists.sourceforge.net> 
Sent: Saturday, July 6, 2024 2:49 PM
To: Black Michael <mdblac...@yahoo.com>
Cc: Richard Shaw <hobbes1...@gmail.com>; WSJT software development 
<wsjt-devel@lists.sourceforge.net>
Subject: Re: [wsjt-devel] Adjustable frequency shift for split operation?

 

On Fri, Jul 5, 2024 at 10:16 PM Black Michael <mdblac...@yahoo.com 
<mailto:mdblac...@yahoo.com> > wrote:

And does the power go back up when you go above 1900?

Sounds like it might be a notch filter.

 

Doesn't seem to be the problem. The highest I can get is 1999Hz before the 
frequency changes but it's still <5W. 

 

I checked the data options and they are set to Dave's (W1HKJ) recommendations 
or wider:

 

066 DATA LCUT FREQ - OFF

067 DATA LCUT SLOPE - 18dB/oct

068 DATA HCUT FREQ - 3600Hz

069 DATA HCUT SLOPE - 6dB/oct

 

I also checked 110 SSB TX BPF but I don't think it applies to DATA modes, only 
SSB.

 

Thanks,

Richard

KF5OIM

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