[TenTec] Summary: no SPOT function on Pegasus
JEFF S JOHNSON
aa8ve@juno.com
Thu, 23 Sep 1999 17:31:07 -0400
Yes Steve, sorry I should have been slower on the trigger to send it or
worded it better. When I said "Sure Steve" it should have been "Right
Steve"in response to your listing,
not as an answer to... It's been like that all day here, must be equinox
or something!
More than once I've had extra class ops. come to me and ask "What does
zero beat mean?" and I think it's time the word got out! 8<)
Sunny in MI, de AA8VE -Jeff-
On Thu, 23 Sep 1999 21:00:30 +0100 "Steve Baron"
<SteveBaron@StarLinX.com> writes:
> Did you direct that to the wrong person ? know all of that and said
> sidetone
> and received beat note are two entirely different things.
>
> -----Original Message-----
> From: JEFF S JOHNSON <aa8ve@juno.com>
> To: tentec@contesting.com <tentec@contesting.com>
> Date: September 23, 1999 7:26 PM
> Subject: Re: [TenTec] Summary: no SPOT function on Pegasus
>
>
> >
> >Sure Steve, this is something a lot of ops. never get. I'll try to
> >explain, lets say you have a rig with no offset on CW. Transmit and
> >Receive are on the same freq. like 7Mhz You call CQ and another
> station
> >answers you on 7Mhz, and you with your rx zero beat to 7Mhz can't
> hear
> >him, in order to hear the tone you need to move your rx 600hz off
> him.
> >Then you'll hear a 600hz tone, however if you then xmit on that
> freq.
> >you'll end up leap fogging up the band so your xmit must stay down
> on
> >7Mhz. Here the transmit is 7.000.00 and receive is 7.000.60 the
> 600hz
> >offset ends up to be a 600hz audio tone. An offset can be either up
> or
> >down from the transmitted carrier this depends on the sideband
> filter
> >used for CW receive. To listen to this on your rig, tune in a very
> strong
> >carrier CW or anything, then tune the pitch down in tone till you
> can't
> >hear it at all this is "Zero beat" or zero offset, continue tuning
> in
> >same direction and you may hear the carrier much weaker on the
> other side
> >of zero beat.
> >
> > The sidetone of a rig is not the received tone but a tone
> generated in
> >the rigs audio when it is keyed on CW transmit. On some rigs this
> tone
> >can be turned on the same time the rig is receiving this is the
> "spot
> >tone" another spot method is to switch the receiver to the offset
> freq.
> >and zero beat the carrier.
> > Hope this helps 73 AA8VE -Jeff-
> >
> >
> >On Thu, 23 Sep 1999 17:32:53 +0100 "Steve Baron"
> ><SteveBaron@starlinx.com> writes:
> >>
> >> COnfused me.
> >>
> >> Isn't the sidetone frequency simply the pitch of the sidetone and
> >> not the
> >> pitch of the beat note that you listen to ?
> >>
> >> What am I missing ?
> >>
> >
> >> >>
> >> >>
> >> >> --
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> >
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___________________________________________________________________
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