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

[Robert Bragg]

Would you want higher lobes?  It seems like there is more db loss closer to
the horizon and much less as you get overhead.  That was my first thought,
but it is just a guess, I am interested to hear what people with more
education and experience have to say.  Interesting topic thanks for
bringing it up John.

R.J. WY7AA

On Sat, Jun 30, 2018 at 11:43 AM, John Geiger <af5cc2 at gmail.com> wrote:

> 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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> >
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
> to all interested persons worldwide without requiring membership. Opinions
> expressed
> are solely those of the author, and do not reflect the official views of
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