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Re: UO-22 & KO-23



Hi John,

Yes, the UoSAT craft use vertical polarisation

73 Chris

At 14:24 16/05/98 -0400, you wrote:
>
>Hi Richard/amsat-bb:
> 
>> Do you find UO-22 weaker than usual at low angles in the southern part 
>> of the sky (from the northern hemisphere) ?
>
>When using a horizontally polarized yagi, I find the opposite is true (in
>the norther hemisphere).  And nighttime passes are quite a bit weaker than
>daytime passes.  I do not notice either of these effects on AO-16, LO-19,
>or IO-26 with their "flaired out" canted turnstile 70-cm antennas.
>
>This makes me think that the antennas on UO-22, KO-23, and KO-25 were
>physically designed to favor vertical polarization.  (It's pretty rare
>you'll see true circular polarization from a satellite, regardless of
>the antenna on the spacecraft).  Using horizonal yagis with these birds
>is a real challenge, at least for me. 
>
>Just a thought, based on little more than superstition.  :-)
>
>
>73, de John, KD2BD
>
>-- 
>-=-=-=-=-=-=-=-=-=-=-=-=- John A. Magliacane, KD2BD -=-=-=-=-=-=-=-=-=-=-=-=-
>Internet  : kd2bd@amsat.org          |  Voice : +1.732.224.2948
>Satellite : AO-16, LO-19, KO-25      |  Morse : -.-  -..  ..---  -...  -..
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