[TowerTalk] Helically wound verticals

Tom Osborne w7why at verizon.net
Sun Jun 4 17:44:23 EDT 2006

Hi All

Some years back, there was an article, I believe in QST, about some vertical 
antennas wound on 2 pieces of pvc pipe.  They were for 40, 30 and 20.  The 
bottom section was wound for 30/40 and you changed the top section to change 
from 30 to 40.  There were 2 sections that were wound for 20.  This was all 
built on a pvc pipe frame.  Can anyone steer me to that article?  I'd like 
to make some for field day this year. Where our club picked to go (why I'll 
never know) there are few if any trees for antennas.

If someone could scan it for me I'd sure appreciate it as I don't have many 
QST's around any more.  Thanks and 73

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