# [TowerTalk] Rotator Control South Center Help!

Bill Hider n3rr@erols.com
Fri, 4 May 2001 13:42:43 +0100

```Correction:

Depending on your software, you may need to equate 360 = 0 when Y = 360

Bill, N3RR

----- Original Message -----
From: Bill Hider <n3rr@erols.com>
To: <towertalk@contesting.com>; <k0bx@qsl.net>
Sent: Friday, May 04, 2001 1:38 PM
Subject: Re: [TowerTalk] Rotator Control South Center Help!

> Joe,
>
> Here is what I think you need:
>
> Define: The desired actual heading of the antenna = X
> Define: The heading to be output from the software to the rotor meter
> movement = Y
>
> If 180 < = X < = 360, then Y = X - 180
> If 0 < = X < = 180, then Y = X + 180
>
> Depending on your software, you may need to equate 360 = 0 when X = 360
>
> Bill, N3RR
>
> ----- Original Message -----
> From: <k0bx@qsl.net>
> To: <towertalk@contesting.com>
> Sent: Friday, May 04, 2001 2:15 PM
> Subject: [TowerTalk] Rotator Control South Center Help!
>
>
> > I built and installed a Rotor-EZ circuit box in my Ham III rotor box.
> Works fine.  I then wrote a small Visual Basic program to control the
rotor
> from the desktop.  I then put the software on my webpage
> http://www.qsl.net/k0bx/rotor.htm  in case anyone else would like to play
> with it.  Then last night I received a e-mail from a VE ham who said that
he
> put the Rotor-EZ in his control box but that living up north he has the
> South Center Scale and my rotor control program points the wrong way.
> >
> > So what I need is a equation that will translate the normal headings
into
> heading for a south center scale of a ham IV rotor?   Anyone got any
ideas??
> >
> > Thanks Joe
> >
> >
> >
> > k0bx@qsl.net
> > http://www.qsl.net/k0bx
> > Find the best deals on the web at AltaVista Shopping!
> > http://www.shopping.altavista.com
> >
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> >
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>
> safety equipment, rigging gear, LOOS tension guages & more!
>
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>