Friday, May 15, 2026

Slim-Jim Antenna for FM Broadcast Band reception (88–108 MHz)

The FM Slim-Jim antenna is a proven and efficient vertical antenna design widely used in the VHF range. Originally derived from the J-Pole, this antenna offers excellent omnidirectional coverage, low angle radiation, and simple construction. The diagram shown here illustrates a Slim-Jim antenna optimized specifically for the FM broadcast band from 88 MHz to 108 MHz, making it suitable for FM transmitters, community radio stations, and high-quality FM reception. This particular design, credited to YY5RM, provides precise dimensional data that allows accurate tuning across the entire FM band.

FM Slim-Jim antenna

Slim-Jim Antenna for FM Broadcast Band reception (88–108 MHz)

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