Antenna is tuned to 572 MHz UHF frequency (historically channel 31) and it should receive wide frequency range 570-580 MHz.
The Slim Jim antenna is an extended version of the J-Pole antenna, using the same matching stub principle. The length of the antenna is three quarter wavelength. This antenna design does not need a ground plane and is ideal for mounting inside PVC piping to protect it from the elements.
Performs very well and can be used for RX and TX purposes. It can be made from any common household wiring. The thicker the wire, the wider the bandwidth of the antenna from its center frequency.
Frequency calculations are based on radio waves traveling at the speed of light 299 792 458 meters per second.
Dimensions
Metric
A: 27,52 mm
B: 393,08 mm
C: 15,2 mm
D: 262,06 mm
E: 5,24 (0.1 for RX only) mm
F: 131,03 mm
Imperial
A: 1,083 inch
B: 15,476 inch
C: 0,598 inch
D: 10,317 inch
E: 0,206 (0.001 for RX only)
inch
F: 5,159 inch
