Re: [amsat-bb] ao-40 downlink question

[Jon Ogden <na9d-2@xxxxxxxxxxxxx>]

on 2/11/03 5:37 PM, Rick Fletcher at rfletcher@plumdragon.com wrote:

> If that's a standard 18" DBS dish, I'm impressed with its performance.  Are
> you using any kind of DSP such as the ClearSpeech or Timewave DSP-599zx?  I
> would consider a good DSP (which eliminates most of those which are part of
> many transceivers) to be mandatory at those low SNRs.  At least a 3ft. dish
> is highly recommended for AO-40's downlink and will, in combination with a
> good external DSP, provide "armchair" copy.

If you re-read his message it's a DirecPC dish.  That's a 3' x 2' dish.  He
should have plenty of signal.

>> I have assembled an ao-40 2.4ghz downlink setup using a (plastic) direcPC
>> dish,

There's something wrong with his setup.  He should have a better signal than
that with that dish.  I have a better signal than that on my linearly
polarized BBQ grill dish.

73,

Jon
NA9D
-------------------------------------
Jon Ogden
NA9D (ex: KE9NA)

Citizen of the People's Democratic Republik of Illinois

Life Member: ARRL, NRA
Member:  AMSAT, DXCC

http://www.qsl.net/na9d   <- Updated on 1/22/03!!!

"A life lived in fear is a life half lived."


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