On 2013-10-21 11:25, Larry wrote:
Force12 does something similar with its rotatable dipole. Each side of
the dipole went to box and had 3 coils in series to the feed point.
There were 3 DPDT relays. Each side of the relay would short out a
Right, similar concept. This makes sense for a dipole that is shorter
than a half wave, where you need loading coils anyway. I use
switched capacitors with a full size inverted vee dipole (130 feet).
The capacitors are only 1/4 inch square, way easier than coils.
Rick N6Rk
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