[BC] ABC Starguide

Dana Puopolo dpuopolo
Fri Dec 8 09:14:13 CST 2006


Of course you can lower just one transponder.
Transponder (downlink) output power is directly related to transponder
(uplink) INPUT power. Lower the input, the output drops.

-D

------ Original Message ------
Received: 
From: Mike McCarthy <Towers at mre.com>
To: "Broadcasters' Mailing List" <broadcast at radiolists.net>
Subject: Re: [BC] ABC Starguide

ABC wouldn't.  AMC/GE, the operator would.  Is this real or simply 
recirculation of a memo from earlier this year?

I have yet to check my SG's.  But we've never had a problem with RX 
signal.  We're 1/3 obscured by a neighboring tree and still  EbNo of >11 on 
all RX's with 12 dB of attenuation on a solid 3.8M DH dish.  IIRC, they 
stated earlier in the year they could give back another 6dB before fringe 
coverage ground stations might start seeing issues. So anyone who has a 
problem receiving AMC8 west of 83 deg. has a system problem on the ground.

Also, they would not lower power on one transponder.  The whole bird would 
be lowered unless specific transponders need more power and are at minimums 
already.  SO WW1, Jones, and Premier would also be lowered.  So don't 
ignore those RX's either.

MM



At 02:20 AM 12/7/2006 -0500, Tom Taylor wrote
>I heard rumors?? today that ABC has cut transponder power on the Starguide 
>transponder(s) due to an solar panel(s) failure.
>My ABC carriers are indeed several db lower....checked two different
stations.
>Anyone heard or know anything about this?
>Thanks,
>
>Tom Taylor
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