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[TowerTalk] Radical alternative for pinning beams

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Subject: [TowerTalk] Radical alternative for pinning beams
From: (Lee Buller)
Date: Wed, 02 Jul 1997 09:05:10 -0500
At 10:09 PM 7/1/97 -0400, you wrote:
>Here's one of those really radical ideas that strikes from time to time.
>The biggest problem with beam slippage on the mast is you simply don't 
>know which way you are pointing. 
>What if you had a way to determine where the beam was pointed, regardless 
>of how the rotator was turned?
>How about:
>a) install a flux-gate compass at the end of a beam, run the wires 
>through the boom and down to the shack to an indicator.
>b) mount a tiny b&w camera on the tower looking "up" at the beam. Run the 
>video to a screen in the shack. Calibrate the screen with points for N, 
>E, S, W.
>Perhaps there's other methods to remotely sense the position of the beam.
>Once the beam no longer needs to be tightly coupled to the mast for 
>positioning, maybe there's room for a fluid coupling between the rotating 
>motor and the mast, which would take care of some of the torque problems.
>Just a brainstorm....
>Bill Coleman, AA4LR, PP-ASEL        Mail:

Why not take some duct tape and strap on a GPS device on the boom.  The duct
tape will stick for a year and weather coat the device to boot.  Use a GPS
that has an RS232 interface and hook it to a Windows program.

Just an idea!


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