>I would even be very suspicious of chain link fence toprail! I have seen some
>of the stuff that is not tubing at all--just a piece of flat stock that is
>into a cylinder and then galavanized. This sticks it together and makes it
>appear to be a welded pipe but there is no welding. Under even a modest
>load the NON-seam will just pop open. Not all of the stuff is made this
>way but unless you know what you have I wouldn't use it!
>John Brosnahan W0UN
I used some 10' top rail as a "temporary" mast for a GAP vertical last year.
Chinook in March put so much pressure on the antenna that the mast simply split
seam and folded! the stuff is really junk!
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