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Date: | Sun, 19 Apr 2015 07:06:43 -0400 |
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I know handihams made those available at one time. I have one around here
somewhere. lou WA3MIX
Lou Kolb
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Radio/TV Ads, Video narrations
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www.loukolb.com
----- Original Message -----
From: "Jim Gammon" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, April 18, 2015 11:47 PM
Subject: Audible rotor direction indicator
>I don't think I have commented on this thread, but back in 1975,
> I had a HamAm rotor that turned my HighGain TH6DXX 6 element
> beam. There was no way for a blind person to know the direction
> the antenna was pointing because the rotor meter was of course
> under glass and probably had a very small needle. A friend at
> the time, built a small device, seems it was a voltage controled
> oscillator with a pointer knob on top that rotated freely 360
> degrees. I would set the pointer in the direction I wanted to
> point the beam and hit the keys on the rotor. When the tone in
> the speaker inside the attached box nulled out, I knew I was
> pointing northwest or where ever I needed to point. I am not
> aware of any similar audible rotor indicators out there today.
> Jim WA6EKS
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