This was not obvious to me from reading the manual or noting that the dial
frequency was moved up or down. It is key that the audio frequency is also
moved opposite the dial frequency an equal amount and both should be mentioned
in the manual - for slow heads like me at least. Anyway, I get it now.
I also did some FT8 QSO’s last night using “fake it” and my tx filter set for
1500 to 2000. Though I could not see much difference in my tx on my monitor, it
seemed to work pretty well as PSK showed me getting to the East coast and
Northern SA with 10W on 20m. The antenna is an MFJ tuned loop at 10ft.
For those of us with tunable tx filters, it might even be useful if WSJT-x had
a user adjustable split offset. Be interesting to see how narrow one could
really go.
Al Pawlowski, K6AVP
Los Osos, CA USA
> On May 7, 2018, at 01:29, wsjt-devel-requ...@lists.sourceforge.net wrote:
>
> Date: Mon, 7 May 2018 09:29:49 +0100
> From: Bill Somerville <g4...@classdesign.com <mailto:g4...@classdesign.com>>
> To: wsjt-devel@lists.sourceforge.net <mailto:wsjt-devel@lists.sourceforge.net>
> Subject: Re: [wsjt-devel] Observations during 5/5/2018 DX testing
> exercise
>
>
> Hi Tim,
>
> some comments in line below………………….
>
> The principle is simple really, your on-air transmit
> frequency is the sum of your USB dial frequency and the audio offset
> sent to you rig. WSJT-X can adjust both of those values in opposite
> directions by equal amounts and thereby not change your on-air transmit
> frequency. This is what "Settings->Radio->Split Operating" does such
> that the audio tones sent to your rig are always between 1500 Hz and
> 2000 Hz……………………...
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