[amsat-bb] Re: AO-51 L mode observations

Gary "Joe" Mayfield gary_mayfield at hotmail.com
Mon Apr 26 20:01:43 PDT 2010


     Neat observation.  I was on this morning and worked Luc, VE2DWE and only Luc.  I found LHCP to be much much better on the downlink for the entire pass, which is what I expected.  I was under the impression the 435.150 antenna was LHCP.  The pass this morning was close to directly overhead.  Was your pass near the horizon east or west??  Maybe it is a squint angle issue?

Joe kk0sd

P.S. I hope to get on L band again, but my schedule is conspiring against me!

-----Original Message-----
From: amsat-bb-bounces at amsat.org [mailto:amsat-bb-bounces at amsat.org] On Behalf Of Bob- W7LRD
Sent: Monday, April 26, 2010 8:20 PM
To: amsat-bb at amsat.org
Subject: [amsat-bb] AO-51 L mode observations

This last pass up the west coast.  Very good strong  downlink, running a 910 @ 10W to a 16 turn RHCP helix through 40  feet of LMR400. Even good copy running 2 watts!  Rx 40 el cp yagi.  Early in the pass RHCP was better for rx, later and near LOS LHCP was better. Why?  Only station heard was VE7CNA and he was very weak, aside from that I could only talk to myself.  I know we have some L banders on the "left" coast and up there in KL7.   It's lonely. 

73 Bob W7LRD
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