[Elecraft] Off Topic -- Yagi Antenna SWR measurement ?

[Dale Putnam]

Two feet high.. is way too close to the ground..... 
However, if the beam is 10 foot high.. or maybe 15... that would be so much better and more accurate..
Expect some change when it gets top of tower.. but at 15 ft.. adjustments can me made reliable, with little change
seen.
Good Luck, be careful, ladders are more dangerous than towers,

Have a great day, 
 
 
--...   ...--
Dale - WC7S in Wy
 
 

 
> From: phystad at mac.com
> Date: Fri, 12 Jul 2013 07:50:43 -0700
> To: Elecraft at mailman.qth.net
> Subject: [Elecraft] Off Topic -- Yagi Antenna SWR measurement ?
> 
> I know this is OT but there are so many knowledgable people on this reflector
> that I can't pass it up.
> 
> A friend has a Yagi antenna (HF tri-bander) that he wants to measure the SWR
> before he raises the antenna up on the tower.
> 
> Question:  is this accurate or does the proximity of ground (maybe two feet high)
> so strongly affect the SWR reading that the measurement is not accurate.
> 
> 73, phil, K7PEH
> 
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