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Antenna Length.

Posted: Thu Oct 05, 2017 1:50 pm
by KA1OWC
What would be the correct length for a vertical antenna for 1090 mhz? Thanks!

Re: Antenna Length.

Posted: Thu Oct 05, 2017 4:12 pm
by g1hbe
The wavelength at 1000 MHz (near enough) is 30 cm. For a quarter-wave groundplane, the length of the vertical element would be 30/4 = 7.5 cm. For a dipole, each leg would be 7.5 cm.

Re: Antenna Length.

Posted: Fri Oct 06, 2017 4:55 pm
by bob550