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

John Becker w0jab at big-river.net
Fri Sep 6 07:00:18 PDT 2013

On 9/5/2013 9:56 PM, Greg D wrote:
> Bob, for comparison, I used a 30" x 24" grill for AO-40.  I found that 
> moving the dish +/- one "click" on my controller (10 degrees) would 
> make a just-audible difference in the received signal strength.  So, I 
> figure 10 degrees is the 3db beam width, not good enough, apparently, 
> for the ISS TV...
> Greg  KO6TH
Explain "one click at a time"

A rotor such as the Yeasu G5500  is a must.
A "step" rotor (moves X degs at a time)  just is not that good for a 
moving target.

John, W0JAB

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