It is exactly as Dave describe it.
Gilles ve2lx
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----- Original Message -----
From: "Dave Hachadorian" <K6LL@ARRL.net>
To: <writelog@contesting.com>
Sent: Tuesday, March 25, 2008 3:06 PM
Subject: [WriteLog] Bandmap shows RUN stations
> GU0SUP (Phil) wrote:
>
> Hi all,
> Like others, I only get TWO worked stations showing on the
> bandmap, and
> after that, they are replaced by new calls.
> HOWEVER.......... if you use the RIT to tune folk in, then
> these will show
> up slightly off your RUN frequency, and thus stay on the
> bandmap until you
> work more on that same QRG.
> If you get a lot of folk calling slightly off, then this
> indeed can get a
> bit messy.
> --------------------------------------------
>
> Now K6LL says:
>
> I just conducted a little experiment to test Phil's RIT
> explanation and VOILA! Even with an RIT offset of 10 Hz, two
> more stations are added to the bandmap. If you consider that
> callers are off frequency by up to +/- 100 Hz, that's 21
> different frequencies, with a possibility of 42 stations on
> the bandmap. That's exactly what I was seeing when I got on
> the air near the end of the BARTG contest with a new
> callsign (K7ABC) and ran a fairly large pileup for 45
> minutes, constantly twiddling the RIT to peak the loudest
> station.
>
> Dave Hachadorian, K6LL
> Yuma, AZ
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