Thomas Magma wrote:
I'm trying to determine if using an antenna analyzer is technically a
violation of the telecommunications Code of Federal Regulations. Typical
antenna analyzers inject a incident CW or sweeping CW to the antenna and
measure its return loss (reflection). Very few frequency bands have a CW or
sweeping CW as their allowed modulation type. The way I see it is that by
using an antenna analyzer you are intentionally radiating an improper
modulation type that was allocated for the band and therefore you are in
violation of the Code of Federal Regulations.

Anyone have any thoughts on this topic?

By your logic a noise bridge would also be illegal. However in most places
there is a limit on the amount of power one can use before it requires
a license. Since an antenna analyzer puts out a few microwatts, if that,
no one seems to care.

I do not have the capability to measure the power level of mine, but I
expect that it is less than a regenerative receiver. It would be easy
to test, place one on an antenna and try to tune it in with a portable
receiver. If you can hear it, move away and see how far it goes.

Geoff.


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Geoffrey S. Mendelson, Jerusalem, Israel N3OWJ/4X1GM
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