K3 Diversity Question: RIT

[Elecraft mailing list]

I’ve rediscovered Diversity RX on my K3, and have a question.

Scenario: I’m working folks on 40M CW with a bit of QSB. Diversity is on, and things are working great.

Suddenly I receive an off-frequency call, say up a couple hundred Hz. Normally no trouble, as I just use my trusty RIT control to move up and copy him, so I can keep my TX on the original frequency. But, in Diversity, the second VFO remains on the original frequency rather than tracking with the main RX. As a result, I get two signals until I clear the RIT.

Am I missing something? I really would like BOTH receivers to track the RIT in Diversity.

73, Tom W4KX

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[Randy Farmer-2]

I don't know which contest software package you may be using. If you're
running N1MM+ Logger the solution to this dilemma is to equalize the A
and B VFOs at the beginning of the run and then turn on Split mode. Then
your transmitter will be locked to the VFO B frequency and the receiver
can be tuned with the big knob rather than the little RIT knob. This
works fine in Diversity mode and I use it all the time for running. N1MM
also has a nice configuration feature that will automatically retune the
receiver to the TX frequency every time you log a station (at least if
you're using ESM).

73...
Randy, W8FN

On 2/25/2021 8:14 PM, Tom Doligalski via Elecraft wrote:
> I’ve rediscovered Diversity RX on my K3, and have a question.
>
> Scenario: I’m working folks on 40M CW with a bit of QSB. Diversity is on, and things are working great.
>
> Suddenly I receive an off-frequency call, say up a couple hundred Hz. Normally no trouble, as I just use my trusty RIT control to move up and copy him, so I can keep my TX on the original frequency. But, in Diversity, the second VFO remains on the original frequency rather than tracking with the main RX. As a result, I get two signals until I clear the RIT.
>
> Am I missing something? I really would like BOTH receivers to track the RIT in Diversity.
>
> 73, Tom W4KX
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[Ed K1EP]

Yes, you have to lock the VFOs. That is a menu only (or macro). What I have
done is to program a macro into PF1 that does A->B, lock VFO, Turn on
Diversity. RIT works fine, both RX track.

On Thu, Feb 25, 2021, 20:16 Tom Doligalski via Elecraft <
[hidden email]> wrote:

> I’ve rediscovered Diversity RX on my K3, and have a question.
>
> Scenario: I’m working folks on 40M CW with a bit of QSB. Diversity is on,
> and things are working great.
>
> Suddenly I receive an off-frequency call, say up a couple hundred Hz.
> Normally no trouble, as I just use my trusty RIT control to move up and
> copy him, so I can keep my TX on the original frequency. But, in Diversity,
> the second VFO remains on the original frequency rather than tracking with
> the main RX. As a result, I get two signals until I clear the RIT.
>
> Am I missing something? I really would like BOTH receivers to track the
> RIT in Diversity.
>
> 73, Tom W4KX
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]

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[Randy Farmer-2]

It occurred to me that might be the case after I sent the message. I'm a
die-hard contester and have the tendency to view things through that
filter. It's easy enough to simply re-tune the receiver when necessary
to return to your transmit frequency, pretty much exactly like you'd
have to do with the RIT knob. You can also do it without a manual
re-tune. If you're running split and tune the receiver  (VFO A) slightly
off your transmit frequency you can easily return the receiver to the
transmit frequency by executing two front panel key presses: A/B
followed by A>B. This first puts VFO A on your transmit frequency and
the second equalizes the transmit and receive frequencies. You can
easily assign the pair of keystrokes to a single macro and store it in
one of the PF presets. That's what I do with my setup -- I then actuate
the macros using the programmable buttons on my K-Pod. Once you get used
to using the main tuning knob instead of the RIT knob you'll never want
to go back.

73...
Randy, W8FN

On 2/25/2021 9:20 PM, Tom Doligalski wrote:
> Thanks for the input. Not doing a contest: calling a CW traffic net on 40 M at 8:30 AM.
>
> Might be something to play with tho…
>
> Sent from my iPad
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