[amsat-bb] AO91, AO92 and XW-2 sats with mobile whips

[John Geiger]

Hi Dave,

That is great to know.  Sounds like it would work.  I wonder if a 1/4 wave
antenna might be better than a 5/8 wave as it might have some higher lobes
as well and cover more of the pass.  Does anyone know about this?

73 John AF5CC

On Fri, Jun 29, 2018 at 8:20 PM, David Quick <david.quick at frontiernet.net>
wrote:

> I have made numerous AO-85, 91, 92, and SO-50 contacts from my truck,
> mostly
> while stationary due to the desire to log the contacts, with a 25 year old
> Kenwood TM-733a (~25 watts) and a dual-band antenna on the roof of the
> truck. Even a simple 2m quarter-wave works fine and offers a decent match
> on
> 435 MHz.
>
> The feature that helps the most is the radio's full duplex capability. When
> I hear my own voice on the downlink frequency I know I'm hitting the bird.
>
>
>
> -----Original Message-----
> From: AMSAT-BB [mailto:amsat-bb-bounces at amsat.org] On Behalf Of John
> Geiger
> Sent: Friday, June 29, 2018 3:03 PM
> To: AMSAT
> Subject: [amsat-bb] AO91, AO92 and XW-2 sats with mobile whips
>
> I am hoping to get into mobile satellite operations soon, and at times I
> will be able to operate portable with a dualband yagi antenna. . Other
> times, though, I will be on family trips and unable to stop for satellite
> passes, so would have to operate while in motion.  Are AO91, AO91, and the
> XW-2 satellites able to be worked using a 1/4 wave or 5/8 wave dualband
> mobile whip antenna?
>
> 73 John AF5CC
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