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Portable Slim Jim 3/4 wave End Fed Vertical


It's a modified Slim Jim end fed aerial made out of 300-ohm ribbon feeder cable
post 28 Sep 2020

Portable Slim Jim 3/4 wave End Fed Vertical

Antenna jpole Links

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2 meter J-Pole, N6BG
Cut the tubing to the size shown for the desired band. The only section where size is not critical is the mast section. Use any size you desire for mounting purposes

2 meter Aluminum Slim Jim Antenna, AC8GY
The Slim Jim is generally characterized as an end-fed vertical folded dipole. As with all end fed dipoles some sort of impedance matching is necessary to keep the SWR down

3 meter Slim-Jim Antenna
The gamma match consists of a 150mm length of 10mm aluminium tubing

Project antenna for 2 meter
The gamma match consists of a 150mm length of 10mm aluminium tubing

A slim antenna for vhf band, SV1CDY
To build it I use pieces of 450 Ohms leader line approx. 154cm, a PVC tube approx. 200cm, rope,SO-239 female connector, RG-58 about 1,5meter