Yuri Blanarovich wrote:
Barry, W9UCW has done extensive measurements using termocuples and other
methods minimizing disturbance to measured system. He found that current in
(esp. longer) coils is diminishing towards the other end.
If you add 1/4WL to the top of the antenna, the current in the coil
will *increase* towards the other end. In a standing wave antenna, the
total current is the sum of the forward current and the reflected
current. Whether the total current increases or decreases depends
on the phasing of the two currents at the point where the coil is
placed.
--
73, Cecil
http://www.qsl.net/w5dxp
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