[Antennas] full wave loop

[David Sher]

re full wave loop on 75:  any chance the tx had a tube final with a pi
net?

Dave             W9LYA
What wrought doG hath?

On Sun, 31 Oct 2004 21:57:01 -0600 "Chris Boone" <CBoone at earthlink.net>
writes:
> A fullwave loop is about 125 ohms...Are you erecting it as a vertical 
> or
> horiz loop?..feed it in the bottom ends for vertical polarization 
> and in
> the sides for horiz (IIRC...that may be reversed! :) ..But on HF, 
> it
> doesn't matter that much....a 1/4wave of 75 should match you ok to 
> 50ohm
> IIRC
> 
> I once had a fullwave loop on 75 mtrs....off the side of a 220 ft
> microwave tower.....bottom was 50ft or so off the ground...worked 
> like a
> champ on all bands (worse SWR is 3:1 at the 2nd harmonic on 
> 40m)...fed
> it with 75 ohm cable to the radio..Used it on all 80-10m with no 
> tuner
> 
> Chris
> WB5ITT
> 
> > -----Original Message-----
> > From: antennas-bounces at mailman.qth.net 
> > [mailto:antennas-bounces at mailman.qth.net] On Behalf Of 
> > W7QEB at wmconnect.com
> > Sent: Sunday, October 31, 2004 9:51 PM
> > To: antennas at mailman.qth.net
> > Subject: [Antennas] full wave loop
> > 
> > 
> > Hi List;
> > 
> > I am building a full wave loop for 20 meters. If I erect it 
> > as a triangle, 
> > should I feed it in the corner? I was thinking of feeding it 
> > with 1/4 wave of 75 
> > ohm coax. Would this be recommended?
> 
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