Calculation in Progress……..
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.
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