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February 10th 07, 03:11 PM posted to rec.radio.cb

james

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SWR and buildings

On Thu, 8 Feb 2007 18:35:05 -0500, (I
AmnotGeorgeBush) wrote:

+++The test range of a certain proven antenna manufacturer consists of an
+++open field and the surrounding area is free of objects.
**************

Tha tis only necesary for making antenna pattern measurements. Also on
a certified range the ground is made of a consistant material so that
it is uniform over the entire distance between the transmit antenna
and the receiving antenna.

To do a certified range for 30 MHz the test antennae would need to be
separated by ten wavelengths and at least one quarter wavelength in
heigth, preferably higher.

james

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