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Re: AO-40 beacon question

on 3/2/03 10:41 AM, Lars Mortensen at labmo@post3.tele.dk wrote:

> I fully agree with Mark reg. the article written by Colin Hurst
> (VK5HI),... it's a VERY fine piece of work, and I recommend reading it.
> Based on that article, I once made the below ESTIMATED radiation pattern
> for the 5 turn S2 helix on AO-40 (and I un

I guess I wasn't quite clear enough with my question.  Let me rephrase it:

Is there any time in the orbit that the beamwidth of the S2 antenna is
narrower than the beamwidth required to cover the earth visible to the
satellite at that point in the orbit?  Does that make sense?


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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