J-Pole coax antenna
The connection point of the coax on the twinlead was found experimentally
post 20 Dec 2021
Antenna jpole Links →
Vertical antenna Slim Jim
The slim jim has more bandwidth or a wider range of frequencies than the jpole
VHF End-Fed Half-Wave J-Pole
The Folded Dipole Antenna, with balsa wood strips and epoxy resin for strength and protection, and the dipole was made from 1/16" diameter
Verticale alimentee en J
All these dimensions can be extrapped to other frequencies,example for 70 CM 132/207 * 69 = 44 cm
Antena dual VHF-UHF tipo SLIM-JIM
Using 300 Ohms parallel cable, the Slim Jim has the following characteristics, bandwidth with 1.5: 1> 4MHz
The J-Pole Antenna
The J-Pole antenna is a common omni directional antenna used in amateur radio, particularly on the VHF and UHF bands
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The slim jim has more bandwidth or a wider range of frequencies than the jpole
The Folded Dipole Antenna, with balsa wood strips and epoxy resin for strength and protection, and the dipole was made from 1/16" diameter
All these dimensions can be extrapped to other frequencies,example for 70 CM 132/207 * 69 = 44 cm
Using 300 Ohms parallel cable, the Slim Jim has the following characteristics, bandwidth with 1.5: 1> 4MHz
The J-Pole antenna is a common omni directional antenna used in amateur radio, particularly on the VHF and UHF bands
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