You will end up loving it. I have one driving my Orion Rotator (really good
rotator) and have been using it for about 2 years now. Love it. - John Owens -
N7TK
On 01/01/2021 11:57 AM Dale M. Schwartz <dale@immlawfirm.com> wrote:
>
>
> I have a Green Heren controller on order. Will that make any difference?
> Dale/K4ROZ
>
>
> [X]
>
> Dale M. Schwartz
> SCHWARTZ | POSEL
> Immigration Law Group
> Suite 450 RiverEdge One
> 5500 Interstate North Pkwy., NW
> Atlanta, GA 30328
>
> Tel: 770 951-1100
> Fax: 770 951-1113
> www.immlawfirm.com
>
> PAST PRESIDENT: AMERICAN
> IMMIGRATION LAWYERS ASS'N
> ADJUNCT PROFESSOR: EMORY UNIVERSITY SCHOOL OF LAW (1989-2014)
>
>
>
>
> On Jan 1, 2021, at 2:11 PM, Joe Subich, W4TV <lists@subich.com> wrote:
>
> On 2021-01-01 1:53 PM, Les Brown wrote:
>
> > I don't understand why you think it isn't right.
>
> Simply put, the Hy-Gain controller does not have a correction for
> magnetic north and the Hy-Gain rotators have only 360 degree rotation.
>
> If the antenna is 30 degrees off alignment and one adjusts the "north"
> position using the "calibrate" pot, the heading will be correct at
> north but will be off by a variable amount in the rest of the range -
> depending on whether the 30 degrees is clockwise or counter clockwise
> the indicator will show "south" (assuming the typical north centered
> scale) when the rotator is at 210 degrees (CCW limit) and "south" for
> 180 to 210 degrees (CW limit) or "south" for 150 (CCW limit) to 180
> and "south" at 150 (CW limit).
>
> 73,
>
> ... Joe, W4TV
>
>
> On 2021-01-01 1:53 PM, Les Brown wrote:
> John,
> I don't understand why you think it isn't right. The magnetic north offset
> is a fixed offset for a given location. If your correct offset is let's say
> 10 degrees and you have a misaligned antenna that is another 20 degrees off
> in the same direction, why not just set the parameter to 30 degrees and not
> worry about having to physically realign the mast? The only concern I can see
> is if you don't have enough of a coax loop for the extra rotation.
> 73, Les VE3NNT
> -----Original Message-----
> From: JOHN OWENS [mailto:ham38john@comcast.net]
> Sent: Friday, January 01, 2021 1:04 PM
> To: Les Brown <lesbrown@sympatico.ca>; Dale M. Schwartz
> <dale@immlawfirm.com>; towertalk@contesting.com
> Subject: Re: [TowerTalk] ALIGNING ANTENNA
> I kinda don't think that is right. Besides, the offset btwn mag and true is
> unique to each location. - John Owens - N7TK
> On 01/01/2021 9:42 AM Les Brown <lesbrown@sympatico.ca> wrote:
>
> Dale,
> Most rotor controllers have an offset for true north vs magnetic north.
> Why don't you just adjust this parameter?
> 73, Les VE3NNT
>
> -----Original Message-----
> From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of Dale
> M. Schwartz
> Sent: Friday, January 01, 2021 12:22 PM
> To: towertalk@contesting.com
> Subject: [TowerTalk] ALIGNING ANTENNA
>
> I just replaced my rotor (with a HAM-IV) on the bottom of my US Tower 55’
> flagpole with a SteppIR on top. The old rotor was off the tower for a few
> weeks and I suspect the wind blew the beam a little.
> Now my bearings are about 30-40 degrees off. So when my controller says I
> am pointed due North, the beam is actually pointed NNW.
> I know we could lower the tower and repoint the beam. But I’m looking for
> suggestions on how to reorient the antenna from the ground.
> Any thoughts would be appreciated.
> HAPPY NEW YEAR!
> Dale/K4ROZ
>
>
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>
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