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Homemade 1/4 wave TSPD antenna

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rtitsworth

Joined: 16 Jan 2006
Posts: 76
Location: Detroit, Mi

Posted: Tue Aug 28, 2007 4:53 am Post subject: Homemade 1/4 wave TSPD antenna

Bob,



Thanks for the reply to my last msg (1/4 Wave Comm Ant).  A follow-up...



I am contemplating putting a 1/4 wave TSPD antenna on the belly of a

composite aircraft, directly under the pilot seat.  In chapter 13 of the

Connection you talk about making the ground plane 5.5" dia to keep it

resonant.



 	  Quote: 	
		  From a health standpoint, does 5.5" effectively shield the pilot (and

co-pilot) - i.e. keep all the radiated energy below horizontal, or should I
	


do something else.



Options:

a. Make the ground plane bigger (but I can only get to about 13" diameter).

b. Make a second, larger shield slightly above the ground plane and not

connected to it.



Rick

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