Alan,
Are you saying try a different CP? If you are linear it should not matter what orientation you chose (that is assuming Arecibo is CP). I am not ready with the dish so I quickly tried with my M2 11-element yagi (fixed on horizon) into 0.5 dB GasFet Preamp (Moon was 14-deg elevation). Nothing heard on their published freq. of 432.045. Now I see they were on 432.040 (didn't tune that far down). If they were running 20w instead of 400w that is -23 dB on their signal which will make it hard for small yagis to copy (even CW with narrow filters).
Back to work on the dish. My 436CP42 is out of commission due to apparently burning out the pots in my B5400 az-el rotator (long story).
73, Ed - KL7UW
At 09:50 AM 4/16/2010, Alan P. Biddle wrote:
Also hearing them. Be certain, if you can, to try different polarity. It does make a difference.
Alan WA4SCA
-----Original Message----- From: amsat-bb-bounces@amsat.org [mailto:amsat-bb-bounces@amsat.org] On Behalf Of Sebastian Sent: Friday, April 16, 2010 12:46 PM To: Mark L.Hammond Cc: AMSAT BB Subject: [amsat-bb] Re: Arecibo
I can hear very faint CW from them.
I'm surprised as I have just a single yagi, and apparently their amp isn't working.
73 de W4AS
On Apr 16, 2010, at 1:20 PM, Mark L. Hammond wrote:
Just copied somebody on CW!
N8MH
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73, Ed - KL7UW, WD2XSH/45 ====================================== BP40IQ 500 KHz - 10-GHz www.kl7uw.com EME: 144-600w, 432-100w, 1296-60w, 3400-fall 2010 DUBUS Magazine USA Rep dubususa@hotmail.com ======================================