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The 450 OHM Ladder Line Slim Jim Antenna


The 450 OHM Ladder Line Slim Jim Antenna

Want to homebrew an antenna for 2M? Want something that actually works well

post 06 Dec 2024


Antenna jpole Links

80



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


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