[amsat-bb] Re: Best arrangemet and best distance
oz1my at privat.dk
Fri Apr 20 05:18:15 PDT 2007
Place the VHF and UHF antenna as far away from one
another as possible on the cross boom.
That way you get the smallest problem with desensing
when you transmit on VHF and receive full duplex on
Place the two other antennas in between the two large
I use a 3 meter glass fiber cross boom this way and it works fine.
Also make sure you have mechanical balance in your
system to avoid unnecessary torgues on the rotators.
>From a point of view of distorting the radiation pattern,
you can place the antennas very close to one another as
long as they do not touch one another.
Place the VHF and UHF antennas in X so that the elements
are not parallel to the cross boom.
----- Original Message -----
From: "nader omer" <st2nh at yahoo.com>
To: <amsat-bb at amsat.org>
Sent: Friday, April 20, 2007 4:44 AM
Subject: [amsat-bb] Best arrangemet and best distance
I would like to know what the best
arrangement and the best distances between
vhf cross yagi antenna
uhf cross yagi antenna
l-band helical antenna
s-band helical antenna
over a one cross boom
73 de Nader -st2nh
Ahhh...imagining that irresistible "new car" smell?
Check outnew cars at Yahoo! Autos.
Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb
More information about the AMSAT-BB