Depending on the length of your feedline, you should have been audible at least. Doppler tuning is VERY important, are you set up for tuning the uplink?
As a reference, I started out on L/U last year with 10 watts, ~3db of feedline loss, and a 24 element horizontal loop yagi. I was ok at 20 degrees or higher, with bad fades. I added a 60w amp and am good from 5-10 degrees and up, with occasional fades noticeable.
73, Drew KO4MA
----- Original Message ----- From: almetco@comcast.net To: amsat-bb@amsat.org Sent: Tuesday, November 25, 2008 9:37 PM Subject: [amsat-bb] AO-51 mode L/U
I heard a few passes of AO-51 in L/U mode. Most stations came in strong. I tried to get into the bird using about 8 watts out into a 23cm horizontal yagi on an elevation rotor. It was to no avail, though the bird was at 50 degree's and higher. I am working on a CP antenna for mode L.
Can those that worked this mode give me an idea of wattage, EIRP or antenna for Mode L that you are using. I was sure 7-10 watts would do from the Icom 910. However, it may have been the yagi and the lack of CP.
Thanks
Greg
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