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Wideband active rod antenna

Wideband active rod antenna
The starting point for this design is the well-known 5/8-lambda whip antenna with base coil as used for mobile communications in the 2-m VHF band. Interestingly, this type of antenna is readily tuned to 6-metres. Add a wideband low-noise preamplifier and you have a wideband rod antenna for a large frequency range (20 kHz to 150 MHz).
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