RE: [amsat-bb] Re: Echo and SO-50

["Ronald Nutter" <rnutter@xxxxxxxxxxxxxx>]

I will agree as well.  During the winter and early spring, I was able to operate the FM birds via a groundplane antenna.  Not a chance at this point.  Even with beams, I still need a fairly high pass to have even a prayer of working the sats.  Looking for someone locally who knows how to weld so I can get a bracket made to mount my rotor on top of a 40 ft pneumatic mast in the mini-van I have so I can work the sats a little easier without going hilltopping.

Ron
KA4KYI

---------- Original Message -------------
Subject: RE: [amsat-bb] Re: Echo and SO-50
Date: Sun, 18 Jul 2004 18:21:54 -0400
From: "Christensen, Eric Harlan" <CHRISTENSENE@mail.ecu.edu>
To: "'David P. Goncalves'" <dpg@coe.neu.edu>,
	"'amsat-bb@AMSAT.Org'" <amsat-bb@AMSAT.Org>


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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