[amsat-bb] Re: protocol for using sats

Alan wa4sca at gmail.com
Fri Feb 8 11:17:46 PST 2013


There is a recent article from the Journal which is not on the server which
might also be of interest.  I will send you a copy.



-----Original Message-----
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On
Behalf Of Anthony Monteiro
Sent: Friday, February 08, 2013 12:21 PM
To: Bill Booth
Cc: amsat-bb at amsat.org
Subject: [amsat-bb] Re: protocol for using sats

Hi Bill,

Take a look at this, still the best info:

You always receive USB but may need to Tx LSB
if the transponder is inverting.

Tony AA2TX

On 2/8/2013 12:11 PM, Bill Booth wrote:
> Its been a while and I need to be refreshed.  When using the sats linear
> transponders how does the transmit receive work.
> Does the transmit stay on frequency and tune the receiver for best
> receive, or does the receiver stay and transmit frequency changes for
> best receive. Or do both move if your rig supports a satellite mode.
> Also I am hearing what I believe is both USB and LSB on the birds. Is
> one sideband considered to be standard.
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