[amsat-bb] LilacSat-2 over Central US 2340z
saguaroastro at cox.net
Wed Sep 23 01:20:17 UTC 2015
Dang, I saw this just as a 78 degree pass was ending... Frequencies are
programmed. we'll see what happens.
Rick Tejera (K7TEJ)
Saguaro Astronomy Club
Thunderbird Radio Club
SaguaroaAstro at cox.net
From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Dave Swanson
Sent: Tuesday, September 22, 2015 5:06 PM
To: amsat-bb at amsat.org
Subject: [amsat-bb] LilacSat-2 over Central US 2340z
I just worked several stations on XW-2E, and all sounded nice and
strong. Well done to the CAMSAT team.
I ALSO on a whim swapped over to the Lilac-Sat2 frequencies around 2340z
to see what I could hear. To my surprise I heard what sounded like a
good ol' fashion rag chew going on with S7 reception levels. I keyed up
and tried to get in to no avail at first, but after tweaking with
polarity and doppler.. and cranking the power to 40W, I was able to
break thru and hear myself on the downlink. I called CQ a few times, but
as soon as I would let up on the key, the old men and their rag chew
came back clear as a bell, and I didn't hear any other satellite
operators. I was only able to capture the bird for a few minutes, before
it sunk low enough in the sky I could no longer overwhelm the other
transmitters with my low power.
Good news is the downlink was exceptionally strong.. I've only ever had
the pleasure of working SO50 on FM, so I was quite surprised at how
clear and strong the downlink was. Bad news is I fear with the lack of
PL tone, interference will be extreme from other hams using the
144.30-144.50 section of the 'New OSCAR subband' section of 2 meters as
their personal rag chewing frequencies. Also the downlink seemed to be a
little lower in doppler than I figured it would be, published downlink
is 437.225 (+/-) but by the end of the pass I was all the way down to
437.190 for clear reception, which seemed a smidge extreme.
The next pass for me is only 8° but I may run up on a mountain and give
it another shot. West coast operators should definitely try and hear
what they can hear.
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