IARU 95 IR4T Activity

i4ufh at galactica.it i4ufh at galactica.it
Thu Jul 6 00:02:26 EDT 1995

              IARU 1995 Contest         IR4T M/S Contest Activity

We will be active during the IARU Contest in the next weekend in a  M/S
category. All band will be checked, also 10 m, seem open around 12.30 Z
with W1 e W3, please look for us on 15 m to schedule on 10m.

73 de Fabio I4UFH

See you in the  Contest................ 

fabio.schettino at galactica.it

>From Chad Kurszewski" <kurscj at OAMPC12.csg.mot.com  Wed Jul  5 22:23:40 1995
From: Chad Kurszewski" <kurscj at OAMPC12.csg.mot.com (Chad Kurszewski)
Date: Wed, 5 Jul 1995 16:23:40 -0500
Subject: Feeding antennas...
References: <3g4R8c4w165w at w2up.wells.com>
Message-ID: <9507051623.ZM11455 at WE9V>

On Jul 5,  2:20pm, barry, W2UP, wrote:

> Subject: Re: Feeding antennas...
> Without seeing the article, it just doesn't make sense to phase antennas 
> on different towers unless they are fixed in direction. 
> .... for example, the driven elements of the two antennas are no longer a 
> wavelength apart, and the in-phase relationship is lost.
>-- End of excerpt from barry

Well, the thing is that some people do not want ALL the signal to go in
ONE direction and would rather have the beam pattern all messed up in
exchange to be heard well in two (or more) directions.

For example, in SS from the Midwest on 40M, you would want to "spray"
(KA9FOX quote) your signal.  The low beam goes towards East Coast and
the high beam goes towards the longer path West Coast.  To have two
beams in the same direction can actually be counter-productive.  Sure,
you can be loud in one direction, but everyone else is off the back of
the beam.  And, two beams in this configuration is better than a dipole.
(It's like a high gain dipole with two different take-off angles.)

This also applies to the high bands.  Gary, W9XT, has used this method
for years in the 10M contest (gee Gary, I hope I didn't let the cat out).

And, if you're having problems hearing a weak one, you can always switch
to just a single antenna to peak up the signal in a particular direction.
It's FAR quicker than swinging the beams around which can take 20-60
seconds...enough time to work two more stations!

Chad Kurszewski, WE9V                   e-mail:  Chad_Kurszewski at csg.mot.com
Sultans of Shwing       Loud is Cool....yeah, heh, heh, heh, LOUD IS COOL!!!

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