[amsat-bb] NOAA Weather Satellite receive

[K5VOU]

-- Message: 3 Date: Fri, 5 Dec 2014 15:04:10 +0530 From: Rupesh Lad 
<rupeshdlad2738.rl at gmail.com> To: amsat-bb at amsat.org Cc: Shimoli Shinde 
<shimolishinde at gmail.com>, Ashwini Jambagi <ashjam145 at gmail.com> 
Subject: [amsat-bb] NOAA Weather Satellite receiver Message-ID: 
<CAD1MXRqc_39cS+++sL6Ei4Byg_5O2cgohUj78_ReN9WPXyrP1g at mail.gmail.com> 
Content-Type: text/plain; charset=UTF-8 Hello all; I am an undergraduate 
Engineering student and a SWL. I have tracked many Amateur satellites 
from COEP Ground station, VU2COE. I want to Home brew a NOAA satellite 
image receiver as my academic project. I will be using WXtoImg to decode 
the image transmitted by NOAA satellite on APT frequency. So the task 
for me is to get the audio frequency output. Literature says that NOAA 
satellites transmit a signal of 40 kHz bandwidth. I have also observed 
the spectrum on Spectrum analyzer using my antenna. Want to know whether 
this is only RF bandwidth? and if it is so, then what is IF bandwidth of 
such signals? Can anyone help us in designing the receiver?

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Are you receiving 1391 MHz GOES or 137.5 LEO WX Sats??

Tom K5VOU