[Moon] [Moon-net] Arecibo view to moon today

peter blair g3ltf at btinternet.com
Fri Mar 19 22:52:06 CET 2010


 It was good to work Arecibo again , (after 45 years!)... Pat said he wanted 
measurements. The signal here was between 40 and 50 dB over noise in 6Hz  on 
Spectran which computes pretty well with the VK3UM programme for a 50W Tx. 
My antenna gain is 26.5dBi and NF 0.4dB. I made several CW and SSB 
recordings with Spectran ( 1-2MB files )and one IQ set from the Rocky SDR. 
(23MB). There are a couple of sidebands about 120Hz either side about 30dB 
down but they wont worry anyone.
 Pat , if you want some recordings, please contact me off reflector.
 It is worth noting that here there was a very sharp 90 degree Faraday shift 
on my echoes, unless I rotated the dipoles I could hardly hear them, which 
is rare.
 I did have the dipoles peaked for KP4AO when I made the recordings.
Well done Angel and the team and thanks for the QSO.
73 Peter G3LTF

----- Original Message ----- 
From: "Patrick Barthelow" <apolloeme at live.com>
To: <moon-net at list-serv.davidv.net>
Sent: Friday, March 19, 2010 6:30 PM
Subject: [Moon-net] Arecibo view to moon today


>
> Folks:
>
>
>
> According to my calculations  (actually USNO calcs) Arecibo should be able 
> to see the moon between  18:00Z and 20:40Z today.  Remember, they can only 
> swing the beam 20 degress from vertical.    I have not heard an update 
> from Angel as to when/how/what they plan to do for a test, but he last 
> emailed me that it might happen today.  I will be the first to post, once 
> I find out...
>
> Best Regards,
> 73, de Pat Barthelow AA6EG
>
> Arecibo  Video Tours:
> http://www.youtube.com/watch?v=vicxDnn6LEY
> http://www.youtube.com/watch?v=7rFeXsVz8hE&NR=1
>
> "The most exciting phrase to hear in Science, the one that heralds
> new discoveries,  is not "Eureka, I have found it!"    but:"That's 
> funny..."  ----Isaac Asimov
>
>
>
>
>
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