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Re: Re: AO-40 EIRP?
At 06:39 PM 4/4/2001, Lee wrote:
>Thank you Yoshi.
>
>Based on what I've found so far, I think the EIRP listed on the web site is
>for the dish. I suspect the gain on the helix is something like 3-4 dbi.
Check out the helix here:
http://www.rats.fi/suomi/amsat-oh/ant_shf/S2_03.jpg
I count 5 turns.
Then, plug it in here:
http://members-http-4.rwc1.sfba.home.net/fspinner/W0FMS/Helix/
And it looks to be perhaps in the range of more like 11 dB (perhaps a
little less?).
73,
Mark N8MH
Mark L. Hammond [N8MH]
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