[amsat-bb] Re: [SPAM] Fw: [Mw] STS-122 S-Band signal heard

[Andrew Rich]

What do they use that freq for ?


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Andrew Rich VK4TEC
vk4tec at people.net.au <mailto:vk4tec at people.net.au>
http://www.tech-software.net




-----Original Message-----
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org]On
Behalf Of w8iss at wideopenwest.com
Sent: Saturday, 9 February 2008 10:16 AM
To: amsat-bb at amsat.org
Subject: [SPAM] [amsat-bb] Fw: [Mw] STS-122 S-Band signal heard
Importance: Low


Just of interest.

James W8ISS
=====
---------- Forwarded Message -----------
From: "Loren Moline  WA7SKT" <lmoline at hotmail.com>
To: <microwave at echo.valinet.com>
Sent: Thu, 7 Feb 2008 21:33:55 -0800
Subject: [Mw] STS-122 S-Band signal heard

Tonight I ran my tracking program and showed Atlantis was going to make a
direct overhead pass. I noted the time and went out to shack and listened.

Just as predicted I heard the fast doppler on the main carrier at 2217.5MHz
and followed it lower in frequency as it passed away from my location.

I am only using a so so preamp at antenna with 10db gain and a 3 1/2 turn
helix. Coax comes to shack to a mixer and mixer to receiver with no post
mixer
amp. LO is a 2GHz generated from a 1GHz PLO locked to a 10MHz standard and a
doubler.

I am not yet setup for serious spectrum display but saw the signal drift
thru
the display for my 10.7MHz SoftRock hooked to my IC-R7000 receiver.

This is the first time I have ever heard any signals from the shuttle.

Loren WA7SKT

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