Topband: FCP Antenna

Jim Brown jim at audiosystemsgroup.com
Thu Dec 3 15:16:52 EST 2015


On Thu,12/3/2015 11:52 AM, Chortek, Robert L. wrote:
> Will I see noticeable improvement if I change my radial system to a FCP and/or raise the base of my elevated vertical?

Bob,

Increasing the height of elevated radials on 160M from about 3 ft to 
about 16 ft is probably good for a few dB. It is a good thing to do. 
Increasing the number of radials is also a good thing. Don't expect huge 
differences, but serious topband operators will attest that as little as 
2dB can make the difference between a QSO and QRZ?

The definitive work on elevated radial systems has been done and 
published by Rudy Severns, N6LF. It's on his website, and is well worthy 
of study.

BTW -- I'm in the Santa Cruz Mountains, only about 35 miles S of you, 
and since moving here in 2006, have 135 confirmed on topband with 
antennas that are probably a lot better than yours. With 144 confirmed 
from a small city lot, you're doing quite well indeed!

73, Jim K9YC


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