[Elecraft] KSYN3A_transmit_frequency_jumping_around?

[Vic Rosenthal]

I noticed that N1MM+ seemed to randomly turn the RIT on for me from time
to time. Maybe it also can turn on XIT? I didn't get a chance to
research it, but I would suspect it before I would suspect the K3.

On 19 Apr 2015 21:54, Dave New, N8SBE wrote:
> Sorry for the blank first message.  With so many email lists I'm
> signed up for, it's hard to keep track of the ones that either
> bounce HTML-formatted messages, or just strip it off, like apparently
> this one did.  Here goes:
>
> I ran my K3 with the new KSYN3A boards on the MI QSO party for about
> 10.5 hours yesterday, the first SSB event I've done with the new
> boards (prior CQ WPX CW for a couple of hours worked fine, using
> S&P).
>
> I spend long periods of time camped out on various
> frequencies/bands, calling CQ MiQP and working stations.  I noticed a
> number of callers coming back to me off frequency by a couple of
> hundred hertz, and started 'chasing' them with the RIT, which only
> seemed to make matters worse.  When they came back each time, it
> seemed they were on a different frequency.
>
> Eventually, I had two different stations tell me (without prompting)
> that my transmit frequency was shifting around, and that they were
> chasing me around!
>
> One station thought maybe I had mistaken my XIT for my RIT (nope).
> Not knowing what to make of it, and being in the middle of the QSO
> party, I wasn't eager to mess around trying to debug it, so I just
> turned off the RIT and managed without it.  I still had folks
> occasionally calling me noticeably off frequency for the rest of the
> evening.
>
> I still don't know if the RIT aggravated the situation or not, and I
> spend some time this afternoon looking through my Elecraft mail list
> archive for anyone else that may be experiencing anything similar,
> and turned up empty-handed.
>
> There are two things also to know:
>
> 1) I was using the latest N1MM+, but was not using it to transmit,
> i.e. I was using the DVR built-in to the K3 instead of function keys
> on N1MM+.  In CW contests, I do the opposite, preferring to use the
> CW memories in N1MM+.
>
> 2) I have the RIT knob set to do fast tuning (on SSB that means 500
> Hz/click) when the RIT/XIT are disengaged.
>
> One other observation: At no time did I see the transmit frequency
> on the K3 move.  Only the displayed receive frequency moved when RIT
> was engaged.
>
> I'm baffled as to whether this is real or not, but this occurred
> after I installed the new KSYN3A boards (I have the sub-receiver)
> without a hitch.  Maybe the guys calling me had their RIT turned on,
> and thus were calling me off frequency from where they spotted me.
>
> Ideas anyone?  I do have the means to monitor my transmit output via
> a portable HF transceiver, but haven't tried that yet.  I'm also
> running the latest non-Beta firmware in the K3.
>
> 73,
>
> -- Dave, N8SBE
-- 
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/