Antenna Length.

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KA1OWC
Posts: 18
Joined: Thu May 11, 2017 9:59 pm

Antenna Length.

Postby KA1OWC » Thu Oct 05, 2017 1:50 pm

What would be the correct length for a vertical antenna for 1090 mhz? Thanks!

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Steve Ziegler
KA1OWC
Lieutenant Colonel (Ret)
United States Army

g1hbe
Posts: 216
Joined: Sat Jan 17, 2015 3:28 pm
Location: Cheshire

Re: Antenna Length.

Postby g1hbe » Thu Oct 05, 2017 4:12 pm

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.

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Andy

bob550
Posts: 2
Joined: Thu Sep 28, 2017 1:44 pm

Re: Antenna Length.

Postby bob550 » Fri Oct 06, 2017 4:55 pm

Last edited by bob550 on Thu Jan 01, 1970 12:00 am, edited 0 times in total.
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