Design Your Own J-Pole Antenna

GIVE THE HANDY J-Pole CALCULATOR BELOW A TRY.


NOTE: Coax center conductor attaches to the "Long section" feed point.
Shield attaches to the short section feed point.

Enter Antenna Operating Frequency

    Freq MHz

A (Long section) dimension is:    feet,        inches,        meters

B (Short section) dimension is:    feet,        inches,        meters

C (Feed point) dimension is:         feet,        inches,        meters

D (Spacing) dimension is:             feet,        inches,        meters

Inside (spacing) dimensions are metal to metal measurements, NOT center to center.

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