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Re: LF: ERP

To: [email protected]
Subject: Re: LF: ERP
From: "Rik Strobbe" <[email protected]>
Date: Fri, 16 Jul 1999 14:14:08
In-reply-to: <[email protected]>
Reply-to: [email protected]
Sender: <[email protected]>
At 09:19 16/07/99 +0100, G3XDV wrote:
Dick, PA0SE, and others have recently been using a multiplication factor of 1.83dB to obtain ERP. This is the supposed gain of a vertical antenna over a dipole because of ground reflection.

One more thing to mention : when you MEASURE your by the way Dick suggests
you don't have to take in account any multiplication factor if you have a
short vertical antenna. When you measure at 2 .. 3 km and on the ground you
are in the plane of maximum radiation of the antenna. What you measure will
be your power in EIRP. Only for antennas that have maximum radiation at a
certain elevation angle a correction factor will be needed.

73, Rik


Rik Strobbe  ON7YD
[email protected]
Villadreef 14  B-3128 Baal  BELGIUM   (JO20IX)


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