Re: [amsat-bb] Commerciat 2.4 GHz sats

["Adam L. Mendelson" <amendelson@xxxxxxxxxxxxxxx>]

I just got XM installed, and it is great (sorry for the shameless plug).
They use 2.4 GHz for the uplink and 1.2 GHz for the Downlink if I rember
correctly.  check out the IEEE article
http://www.spectrum.ieee.org/WEBONLY/publicfeature/jul01/dig.html

Adam
KG4PES
----- Original Message -----
From: "Dave" <nr1dx@arrl.net>
To: "Tom Busch" <tomb@kiva.net>; <amsat-bb@AMSAT.Org>
Sent: Monday, July 15, 2002 10:05
Subject: Re: [amsat-bb] Commerciat 2.4 GHz sats


> Tom
> Do you have any info on the down link the downlink freqs?
>
>
>
> At 08:52 AM 7/15/02 -0500, Tom Busch wrote:
> >XM-1 and XM-2, for the XM satellite service.  They are geosynchronous,
and
> >you can find keplerians for them at http://www.celestrak.com.  Look in
geo.txt.
> >
> >By the way, I plotted the footprint for these and it appears there is no
> >service in Alaska, but it seems to cover a big part of the Pacific Ocean.
> >
> >Tom WB8WOR
> >
> >At 05:39 PM 7/13/02 +0000, John Wilcox wrote:
> >>I just finished installing a 1 meter dish on my G450/500 rotor and would
> >>like to check it out against the BBQ grille I have been using (which is
> >>mounted on the other side of the croos boom).
> >>
> >>There was a couple of satellites that broadcast 2.4 GHz signals that
have
> >>been used to verify operation of downconverters etc. What were they and
how
> >>do I enter their values into NOVA? This will give me a constant signal
to
> >>work with while I optimize the new dish.
> >>
> >>Also, how do I enter these sats into Uni_Trac so that it will auto track
> >>them?
> >>
> >>Geez, I didn't realize how much I don't know....
> >>
> >>John - NS1Z
> >>FN44rn
> >>
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> >
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>
> Dave
> NR1DX
> nr1dx@arrl.net
>
> "A man who picks a cat up by the tail learns a lesson he can learn no
other
> way" .... Mark Twain
>
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