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RE: Operating frequencies for FO-29




Hi Eric,

The short answer is "maybe".  Depends on the rig, interface and software.

73,

Emily



At 09:12 PM 2/24/2004 -0500, you wrote:
>Will NOVA do this???  I see the screen for Doppler correction, but I haven't
>read anything about it, yet.
>
>
>73s,
>Eric KF4OTN
>kf4otn@arrl.net
>kf4otn@w4ral.#rtp.nc.usa.noam
>
>ARRL Member
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>
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>-----Original Message-----
>From: Rick Fletcher [mailto:rfletcher@plumdragon.com]
>Sent: Tuesday, February 24, 2004 20:41
>To: Emily Clarke; Dave Guimont
>Cc: amsat-bb@AMSAT.Org
>Subject: Re: [amsat-bb] Operating frequencies for FO-29
>
>
>Hi, Dave & Emily;
>
>As an advocate of the "One True Rule" (full CAT doppler tuning), please
>allow me to stir up the pot a little bit (after all, for now we're talking
>alot more on this -bb than on the sats anyway.)
>
>With the launch of Echo, particularly when operating L/S, doppler is going
>to be so intense that few will even attempt to operate without using full
>computer control of their transceivers.  It's probably time for us all to
>start moving in this direction.
>
>Everything changes eventually....
>
>73,
>
>Rick, KG6IAL
>www.teksharp.com
>
>
>----- Original Message -----
>From: "Dave Guimont" <dguimon1@san.rr.com>
>To: "Emily Clarke" <w0eec@AMSAT.Org>
>Cc: <amsat-bb@AMSAT.Org>
>Sent: Tuesday, February 24, 2004 4:20 PM
>Subject: Re: [amsat-bb] Operating frequencies for FO-29
>
>
> >
> > >  The technique most use is to join a QSO and immediately lock your
> > > transmitter on whatever frequency you are on.  Then tune your
> > > receiver
>to
> > > move with the other stations. When it's your turn to talk quickly
> > > touch up your transmit frequency and then immediately lock it again
> > > and follow your own voice with the receiver.
> >
> > Yes, yes, yes, Emily...
> >
> > I made a few contacts on FO29 recently, did some listening, and also
> > discovered users are changing their xmit frequency, apparently keeping
> > their receive fixed.
> >
> > No, no, no...
> >
> > This is an old chestnut, and I weary of repeating it for the umpteenth
>time...
> >
> > If your program varies the xmit frequency disable it, maintain as near
> > a fixed xmit as you can, once locate on frequency, and then vary ONLY
> > your receive frequency with occasional touch-up to stay in sync.
> >
> > If only two people on freq it doesn't make much difference, but with
> > more than two, and/or relatively inexperienced operators try the the
> > fixed xmit....It will make your tuning easier as well as all on
> > frequency.
> >
> > Remember, depending on your location relative to the satellites path,
> > everyone's doppler can, and most probably, is different
> >
> > Some chatter on hear about varying the procedure depending on "what
> > link" but it doesn't make any difference.
> >
> > A litle history.  When FO12 (same frequencies as FO20, FO29)was
> > launched the Japanese recommended changing the xmit frequency, and
> > that was prescribed as protocol by the powers that be at that time.
> >
> > About 8 of us across the country, mostly groups of three or more in a
>round
> > table, made many dozens of contacts, and decided at that time that it
> > was much easier, and beneficial to MAINTAIN A FIXED XMIT FREQUENCY...
> > After about a year of convincing Vern Riportolla, wa2lqq, was FINALLY
> > convinced and wrote the article in AMSAT SATELLITE REPORT #157 DATED
> > 14sept87.
> >
> > If you do not have access to a copy you can view it at:
> >
> > http://home.san.rr.com/doguimont/uploads
> >
> > see doppler3.jpg
> >
> > Stick a fork in me, I'm done!!
> >
> >
> >
> >
> >             73, Dave wb6llo@amsat.org
> >                     Disagree: I learn....
> >
> > ----
> > Sent via amsat-bb@amsat.org. Opinions expressed are those of the
> > author. Not an AMSAT member? Join now to support the amateur satellite
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> > Majordomo@amsat.org
> >
>
>
>----
>Sent via amsat-bb@amsat.org. Opinions expressed are those of the author. Not
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>Sent via amsat-bb@amsat.org. Opinions expressed are those of the author.
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---------------------------------
W0EEC - CM87tm
AMSAT Area Coordinator - San Francisco Bay Area
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