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Re: Re: Echo and SO-50



Try it at 2400  or 10,368, trees are a hazzard to EM radiation.

Art, KC6UQH
----- Original Message -----
From: "Christensen, Eric Harlan" <CHRISTENSENE@mail.ecu.edu>
To: "'David P. Goncalves'" <dpg@coe.neu.edu>; <amsat-bb@AMSAT.Org>
Sent: Sunday, July 18, 2004 3:21 PM
Subject: RE: [amsat-bb] Re: Echo and SO-50


> Dave,
> I agree with everything that Emily has said as I see the same thing on the
> east coast.  Tree foliage usually makes a difference at higher frequencies
> but I would imagine that it could have some effect on a weak 436MHz
> frequency, too.  Only problem is that you almost have to wait for winter
> before you can truly tell.  Got a chainsaw???
>
>
> 73s,
> Eric KF4OTN
> kf4otn@amsat.org
>
>
> -----Original Message-----
> From: David P. Goncalves [mailto:dpg@coe.neu.edu]
> Sent: Sunday, July 18, 2004 17:43
> To: amsat-bb@AMSAT.Org
> Subject: Re: [amsat-bb] Re: Echo and SO-50
>
>
> Thanks. Another question: Could my weak signal problem be due to foilage?
I
> have to point the antenna through a tree (not the trunk) to where the
> satellite is in the sky.
>
> Dave
> W1EUJ
>
> On Sun, 18 Jul 2004, Emily Clarke wrote:
>
> > Hi Dave,
> >
> > Usually I get SO-50 with full quieting using an Arrow antenna.  I can
> > pick it up pretty much as soon as it clears the hills (5 degree ele).
> > You might have to rotate it 90 degrees, but for the most part it is
> > full quieting by 10 degrees of elevation.  Using a whip antenna
> > (AL-800) on a W32A it's usually full quieting by 20 degrees at the
> > most, sometimes sooner.
> >
> > I have heard AO-51 anywhere from .3 to 3.3 watts, which is 1db to 15db
> > above SO-50.  Lately it has been transmitting TLM consistently at 1.1
> > watts, so that is about (I think) about 10db above SO-50.
> ----
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> ----
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----
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