Thanks for that great info, Brian. So eggnog is the solution? Based on
some of the traffic I have heard on the bands, booze seems to be a
common Ham accessory. There should be some in FCC 97.113 prohibiting QWI
by the control operator. Perhaps a breathalyzer interlock on microphones
for repeat offenders. :-)
73,
Bill KF5MTW
Brian Lloyd wrote:
On Tue, Dec 6, 2011 at 10:55 AM, Bill Ackerman <[email protected]
<mailto:[email protected]>> wrote:
I'm pretty sure I understand the theory and operation of the
XIT/RIT controls in PowerSDR. In practice, though, I'm not sure
how best to use them for voice calls.
So when tuning through the bands, just about every SSB call I hear
is on "000" cycles and less frequently on "500". When I encounter
a communication that isn't clear on one of these settings, I tune
up or down with VFO a few cycles and then the call is much
clearer. My assumption is these cases is that caller's
transmitter may be slightly out of calibration. (My assumption is
also that my Flex 3000 receiver is well-calibrated). Is it safe
to assume their receiver may also be a little off in which case
VFO tuning would give the best result? How do I know when to use
XIT/RIT vs. VFO. Is XIT/RIT something you use frequently or is it
a vestige of days when frequency control was less precise?
If you are just talking to one other station then tuning in that
station with the VFO is the right thing to do. OTOH, if you find that
the other station then retunes you and you find that with each
go-around you end up moving a little way up or down the band, leave
the VFO alone and just use RIT to tune in the station during RX. That
way your TX frequency stays the same and you don't end up chasing the
other station up or down the band.
The other time when RIT is used is when on a net or doing a
round-table QSO. In a net you tune to the net control station and then
use RIT (also known as the 'clarifier') to make each station sounds
proper.
XIT does the same thing but for the transmit frequency. Personally I
have never needed the XIT control on any radio but I suspect that
there are those chasing a DX station in a pile-up where they might use
it. I am sure others will comment.
And I have found that drinking egg nog while working people makes me
much more tolerant of people who don't seem able to tune their radios
on-frequency.
--
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
[email protected] <mailto:[email protected]>
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA)
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