[TowerTalk] A3S

Paul Playford paul at w8aef.com
Thu Mar 24 10:54:07 EST 2005


For a better check on antenna SWR with the antenna located near the ground -
point it straight up with the reflector above the ground.  A yagi pretty
much ignores everything in back of the reflector.

de Paul, W8AEF

> -----Original Message-----
> From: towertalk-bounces at contesting.com 
> [mailto:towertalk-bounces at contesting.com] On Behalf Of K4SB
> Sent: Thursday, March 24, 2005 5:23 AM
> To: towertalk at contesting.com
> Subject: Re: [TowerTalk] A3S
> 
> K8fu at aol.com wrote:
> > I think I got to verbose in trying to express the swr. With the 
> > antenna 22' in the air the swr on 10 and 15 were perfect (antenna 
> > tuned for the lower end of  the cw band) but the swr for 30 
> was 3 to 1.
> 
> Assume you meant to type 20 here.
> 
> > With the ant on saw horses 3' above the ground the 10 and 15 meter 
> > readings  remain the same but 20m now exhibits an absolute 
> flat swr @ 
> > 13.800 only 200kc below the targeted freq.
> > What's up with this ????????????????????
> 

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