Radio > Antennas
Electrically Shortening/Adjusting a VHf antenna?
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GreekMan:
hi all!
is there a way to "shorten" a VHF dipole or groundplane, but not physically?
Like placing a ferrite bead on the root of the elements?
Tempstar:
Yes, capacitors in the Pf range. I have used a 15pf trimmer cap soldered across the connection at the antenna.
GreekMan:
indeed. I should have thought of it myself.
I guess efficiency will suffer a bit
BTW, at what voltage rating?
Tempstar:
I used 100 volt
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