In a message dated 97-03-30 06:32:14 EST, ko4a@juno.com (H John Kohl) writes:
> The interesting comment from the Rohn spec sheet "DWG. N). A-760001R1"
> for the BX towers.
>
> Note: Antenna types should be limited to those having a maximum boom
> length of 10 feet. No engineering data relating to the use of boom
> lengths in excess of 10 feet is available and the use of such boom
> lengths is not recommended.
>
That's because these towers were designed to be used as TV antenna
supports and not HF yagis. The stamped legs and non-connecting X-braces
provide little compressive or torque resistance.
73, Steve K7LXC
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