Bruno wrote:
I know that antennas can be "electrically lengthened" with coils, is
there no way to "electrically shorten" them perhaps with some sort of
matching transformer?

Unfortunately, a too-long vertical tends to send the radiation
up at a high angle. EZNEC sez a 6' vertical used on 151 MHz
will have a take-off-angle of about 38 degrees - not good for
vhf mobile.

RS makes a fiberglass CB whip. How about cutting one of those
to your desired length and drilling through the center conductor
at the proper 1/4WL point? Epoxy the hole? Paint the fiberglass
to make it look like metal?
--
73, Cecil http://www.qsl.net/w5dxp



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