[amsat-bb] Re: ISS Field Day configuration?
kb2m at comcast.net
Fri Jun 26 05:54:10 PDT 2009
Right now the ISS is in 2m split mode? 145.825 up 145.800 down RS0ISS-3
73 Jeff kb2m
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
Behalf Of n3tl at bellsouth.net
Sent: Friday, June 26, 2009 8:03 AM
To: Jeff Yanko; amsat-bb at amsat.org
Subject: [amsat-bb] Re: ISS Field Day configuration?
The best thing to do will be to listen to the first pass that has yo in the
footprint, and to try to check out the VHF voice downlink (145.800) and the
packet downlink (145.825).
If you're hearing other Field Day stations on the voice downlink, the
repeater is in use and the uplink is 437.800 +/- Doppler. If it's packet,
it'll be simplex.
If you hear astronauts and do not hear the other side of the contact,
they'll be using split-VHF operation. For us here in North Amrerica, the
uplink is 144.490, with the standard 145.800 downlink.
A note to anyone who hasn't used the ISS Mode B (U/V) repeater when it's
been operational - Doppler tuning is most critical on the uplink. I leave
the downlink parked at 145.800, but I definitely tune the uplink, starting
on the low side and tuning up. Start at 437.790 and tune up from there.
You'll spend the most time at 437.795, then 437.805.
Doppler tuning the ISS uplink will make a lot of difference in your ability
to get into the repeater.
I hope the ISS is active for FD in some configuration.
Best of Field Day luck and 73 to all,
Tim - N3TL
-------------- Original message from "Jeff Yanko" <wb3jfs at cox.net>:
> Hi all!
> There might be a good possibility that the ISS will be active during Field
> Day this year, like they have in previous years. Just wondering what
> frequency split will they be using?
> Jeff WB3JFS
> Las Vegas, NV
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