[amsat-bb] Re: ao-51 mode L/S

Greg D. ko6th_greg at hotmail.com
Thu Nov 13 22:11:26 PST 2008

Hi Eric,

Yes, especially for S-band, but that's because my antennas are both narrow beamwidth.  I suppose that you could use something much more blunt, given the lower altitude of AO-51, as compared with my setup which was designed for AO-40.  I only have 10 watts at shack-level on L-band, and with an 18 turn helix it's plenty, even after all that cable.  My configuration has an active Az/El rotor system, controlled by my Linux PC, running predict software and a homebrew controller.

Greg  KO6TH

> Date: Thu, 13 Nov 2008 11:01:59 -0800
> From: eric.fort at gmail.com
> To: amsat-bb at amsat.org
> Subject: [amsat-bb]  ao-51 mode L/S
> Are those who are working AO-51 mode L/S mostly using rotors and tracking
> software?  What are you using to keep the antennas pointed for mode L/S and
> what are you using for antennas?
> Eric
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