And this being said, the point of least signal would be directly below the antenna. When we sell small "on site" radio systems ( or go in on systems that "don't work well") we often mount the antenna "upside-down".
this often solves the coverage problems. This is pointed out just to illustrate the "cone of silence" effect.


In the case of your problem, I think the first thing I would do is move the "cell station" 10 feet or so in some direction, second - add "cell station" #2

Don Ritchie Century Communications  Euclid, Ohio

McCann, Brian wrote:
I am far from an expert, so please take this with a grain of salt since
I do not know if it applies to the setup at hand (frequency, power
levels, radiation pattern)...but when I was reading on designing Wi-Fi
systems (802.11 and such), one of the worst places for signal reception
is directly underneath the pole of the antenna due to the fact that most
antennas shipped with access points, as well as most after-market access
points, are not truly omni-directional (I don't even believe such a
thing even exists in the market place, only in labs).  I don't know if
this is your problem or not since it depends on a number of variables,
but I thought it couldn't hurt to contribute it anyways. :)

Hope I helped,
--Brian

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf
Of Henry C Robertelli
Sent: Wednesday, January 19, 2005 3:20 AM
To: kxt@kxthelp.com
Subject: KX-T: Cell Station Problem

I have run into a very interesting problem.  I just installed a TDA50
with a single KXT0141 and a single phone.  Did a site survey and
everything was fine.

The system is dropping calls.  This customer is directly below (at the
base of) a HUGE four legged cell tower with a 20 foot permanent trailer
with a natural gas run power backup system attached.

Do you think that the cell transmission signal output from this tower is
interfering with the internal cell signal and causing the drops?

Sincerely,
Henry

Henry C. Robertelli
Comvox Systems LLC
[EMAIL PROTECTED]
http://www.ComvoxSystems.com
http://www.ComvoxSystems.net
http://www.WeSellPanasonic.com
http://www.WeSellLabels.com

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