|[AMRadio] 43' Vertical "How To" and Tutorial|
bguyger at sbcglobal.net
Tue Dec 2 00:33:04 EST 2008
I totally second what Robert says. I've worked on some very old AM arrays too and the only degradation to some was that soil had washed onto the site from up hill and buried the radials too deep, 6" to 12" in one case. And Amen on the Silver Solder! "Staysilv 15" is great and requires no flux since it's mostly copper to begin with.
As an aside, some arrays from the 40's used Copper Clad for radials. It holds up well too and is coming back into vogue because of Copper thefts.
----- Original Message ----
From: Robert A. Poff <wb3awj at comcast.net>
To: Discussion of AM Radio in the Amateur Service <amradio at mailman.qth.net>
Sent: Monday, December 1, 2008 9:35:52 PM
Subject: RE: Re:[AMRadio] 43' Vertical "How To" and Tutorial
Depending on the soil you may be surprised
at how well bare copper will hold up.
Last summer we rebuilt a 60 year old AM array. Along the way we dug up a bunch of radials planted in 1947.
For the most part you couldn't tell by looking at them if they had been there sixty years
Staying all copper is correct.
Keep away from disimilar metals.
And spend the money for silver solder!
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