[amsat-bb] Re: S band LEO Sat tracking

Bob- W7LRD w7lrd at comcast.net
Thu Sep 5 13:48:57 PDT 2013

When AO-51 used the S band downlink, I used a 18 inch TV dish with a 6 turn helix feed connected to a AIDC 3731 (K5GNA) down converter. I do not know the pointing accuracy as it was not used very much. On AO-40 (sobsob) I used a 4 foot primestar dish (heavy) with the same feed and dc. 
73 Bob W7LRD 

----- Original Message -----
From: "michael luft" <milu111 at gmail.com> 
To: amsat-bb at amsat.org 
Sent: Thursday, September 5, 2013 2:59:29 AM 
Subject: [amsat-bb] S band LEO Sat tracking 

What kind of positioning accuracy can be expected form amateur PC Software 
and Antenna Rotators? Or, in other words: What kind of S band antenna ( 
gain or dimensions) is needed to track a S band LEO Sat? 

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