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[TowerTalk] Rohn HDBX and a C3

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Subject: [TowerTalk] Rohn HDBX and a C3
From: (
Date: Thu, 4 Nov 1999 22:29:49 EST
In a message dated 99-11-04 21:47:08 EST, writes:

> I know putting a C3 on this tower is exceeding the mfgr specs but was
>  wondering if anyone has this combination and if so how it has survived?
>  Wind speeds and the like?

        Peoria County is a 75 MPH windspeed zone (from under Tech Notes). The HDBX-48 is rated at 18 
sq.ft. at 70 MPH so that's close enough. The C3 is a moderately small antenna 
so you shouldn't have any problems with the installation. Yes, the C3 (and 
just about any other HF antenna ever made) exceeds the factory 10-foot 
maximum boomlength recommendation but it's small enough and doesn't exert a 
lot of wind torque on the tower so you should be peachy keen. (This only 
constitutes a "slight fudging" of the manufacturer's specs.)

Cheers,   Steve   K7LXC
Tower Tech

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