On Sat, Jul 6, 2024 at 12:36 PM Reino Talarmo via wsjt-devel < wsjt-devel@lists.sourceforge.net> wrote:
> >This does make me wonder though, why only jump in 0.5KHz increments? Not > that the logic is difficult but wouldn't it be simpler to just allow a > "sweet spot" setting and use that to offset the TX frequency? > > > > Richard, you may have not fully understood the Split operation. Your > actual RF transmit frequency does not change at all. Yes, you see how the > VFO i.e. rig’s transmit frequency is jumping. What you don’t see is that > the audio frequency is changed the same amount into opposite direction. > No I probably did not explain my idea sufficiently. Of course you'd have to shift the AF when you jump to VFO B at a different frequency otherwise you would not be transmitting where you think you are. What I mean is that instead of trying to decide whether your TX frequency needs to be shifted if between two AF frequencies, why not just always set the frequency based on a sweet spot setting. Currently my TX and RX frequencies are the same when TX AF is >=500Hz and <2000Hz. Let's say I want to set my sweet spot to 1500Hz. Then if I want to TX on 1818Hz then 1818-1500=318Hz offset so my TX frequency would need to be shifted to 14074.318MHz. (hopefully I did the math right but you should get the idea). Thanks, Richard KF5OIM
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