[TOEC] [CCF] SAC CW 2012 RESULTS PUBLISHED
Jari Perkiömäki
jpe at student.uwasa.fi
Sun Nov 11 04:29:44 EST 2012
I guess most of us take a look at the frequency dial of the transmitter?
But as you say, your rule 3 applies. :)
73 Jari OH6BG
-----Original Message-----
From: TOEC [mailto:toec-bounces at contesting.com] On Behalf Of Mikael Rytky
Sent: Sunday, November 11, 2012 11:14 AM
To: torvald at eurab.se; toec at contesting.com
Subject: Re: [TOEC] [CCF] SAC CW 2012 RESULTS PUBLISHED
So, nobody knows his/her accurate transmitter frequency and nobody can
report what frequency we thougt we were using with better resolution than
1 kHz through the log?
If I'm 499 Hz off without knowing it (log will say I was spot on), I cant do
anything about it. I just get a penalty afterwards....
Mikael SM6VJA
> Date: Sun, 11 Nov 2012 09:52:43 +0100
> From: torvald at eurab.se
> To: toec at contesting.com
> Subject: Re: [TOEC] [CCF] SAC CW 2012 RESULTS PUBLISHED
>
> Hi!
>
> The Cabrillo frequency resolution is 1 kHz so 3509.800 is shown as 3510.
>
> 73
> Torvald SM2EZT
>
> Mikael Rytky skrev 2012-11-11 09:43:
> > Hi!
> >
> > Just a brief comment on SM6Z being 200 Hz off frequency limit.
> >
> > -Any
> > rig thats been in use for some years may have drifted 100Hz or more
due
> > to ageing of the frequency reference and due to lack of regular
> > service. A drift of 100 Hz may even occur during the contest due to
generated heat. Very few of us do have the possibility to check the
Transmitter
> > frequency with such an accuracy. And even fewer will ever do so.
> >
> > So I'm pretty sure that SM6Z just has relied on the frequency readout of
the tranciever. With CAT this may have been proved. But CAT wont come to all
shacks. I think its a bit harsh reducing his result for that.
> >
> > A couple of suggestions, if 100 Hz slices really is the way to go:
> >
> > 1. SAC management should use dedicated RBN-receivers used for
off-frequency-checking that are checked and calibrated regarding frequency
accuracy. Today nobody knows the status of the RBN-data, any piece of junk
can be behind the readings from RBN. Yes, many RBNs said the same thing, but
still.
> >
> > 2. When 1. is implemented, a small reasonable deviation from 3510 should
be allowed when reading RBN data due to the facts about our radios mentioned
above.
> >
> > 3. When operating, keep a safe distance to 3510 if your not sure of the
status of your radio.
> >
> > Best regards to all
> > Mikael SM6VJA
> >
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> >
> >
>
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