[TowerTalk] 32' risers on vhf h-frame

[Bert]

Hi All,


I am setting up a H-frame with 32' vertical risers on each side.
Horizontal separation ~11 feet.

One riser will hold 4 K5GW-10 144 mhz yagis Horizontal 
polarization / vertical Stacking,

The other riser will hold six M^2 9-wl 432 yagis in same configuration as
other side.

I have a design setup for aluminum tubing 2"od (.25 wall) nominaly, but I
would like
consideration on thinwall steel or alloys as well.

Are there any possible 2"od lightweight, thinwall materials which might
replace
the aluminum ?  (keeping economy in mind)



Thanks, Bert - NS4W


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