[aprssig] APRS antenna for an airplane

Earl Needham needhame1 at plateautel.net
Sat Sep 16 11:30:36 CDT 2006

At 10:20 AM 9/16/2006, Glenn Wiebe wrote:
>Would mounting a 1/4w vertical or similar antenna on the belly of an 
>aircraft not create a null area directly underneath the plane? I remember 
>the pilot of a Jet Ranger under contract to the company I worked for at 
>the time telling me that they would not install it there for use with our 
>company 179 mhz radio for that reason.

         Yes it would, but at 100+ MPH, the null isn't in any particular 
place for very long.  I suspect you would never notice it.


Earl Needham, KD5XB, Clovis, New Mexico DM84jk

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