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Re: [TowerTalk] Positoners Calibration to True North

To: <towertalk@contesting.com>
Subject: Re: [TowerTalk] Positoners Calibration to True North
From: "K8RI on Tower talk" <k8ri-tower@charter.net>
Date: Thu, 1 Dec 2005 21:57:58 -0500
List-post: <mailto:towertalk@contesting.com>
>
> Us guys in the south USA also have another way of determining ture
> north.  You can find lots of references in the archives.
> I wonder if it works in VK land.

I live in Central Michigan and the whole north side of my garage and shop 
get covered with moss if I don't pressure wash them and use a fungiside at 
least once a year, but this is the short stuff, not the long stringy kind.

Roger Halstead (K8RI and ARRL 40 year Life Member)
N833R - World's oldest Debonair CD-2
www.rogerhalstead.com


>
> Jerry, K4SAV
>
>
> VK2SN - Sean P Neylon wrote:
>
>>Dear all,
>>
>>
>>
>>I am just about to stand up my tower with everything ready to 
>>go.yippee..at
>>last..
>>
>>
>>
>>I have Azimuth and Elevation Positioners M2 OR2800PDC and M2 MT1000  see
>>www.vk2sn.com <http://www.vk2sn.com/>  for further details of my set-up.
>>
>>
>>
>>My location is in the city of Sydney Australia  S33  53'  12.6''   and
>>E151  14'  45.4''    Grid   QF56oc
>>
>>
>>
>>To start with I will calibrate my poisoners to True North for Nova and
>>such., then once up and running, I will use the Sun or whatever to further
>>calibrate via the controller for accuracy.  But I want to at least get it
>>close to accurate before I put the tower up.
>>
>>
>>
>>I also cant really re-adjust once it goes up, I have to pull it down and 
>>so
>>on.its very heavy for one person, so Im hoping to get things sorted before
>>it goes up,..plus its too dangerous to climb and Im not one for climbing
>>towers..I like my kids and want to see them live for a very long time.I
>>don't have the experience.smile.I'll do most things in life..but not climb
>>towers on houses..!!!
>>
>>
>>
>>So the question is, I will use a compass to choose North, but this is
>>Magnetic North, to get True North, how many degrees do I add or subtract
>>from Magnetic North.or where can I find this info, or how can I calculate 
>>it
>>from my Sydney position - because I gather its different for everyone re
>>Latitude.
>>
>>
>>
>>By the way, I hope this makes sense, the last time I had to figure out 
>>where
>>I was by using a compass was when I was about 14 years old..so I would 
>>like
>>some advice..
>>
>>
>>
>>Please advise if Im doing this right, or is there a much better and easy 
>>way
>>to sort/calibrate this situation..
>>
>>
>>
>>Thanks guys,
>>
>>
>>Sean Neylon
>>
>>
>>
>>
>>
>>
>>
>>Sean  P.  Neylon     VK2SN     QF56oc
>>
>>Cell Phone:  ++ 61 413 747 276
>>
>>web:    www.vk2sn.com
>>
>>email:   sean@vk2sn.com
>>
>>
>>
>>_______________________________________________
>>
>>See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
>>Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
>>any questions and ask for Sherman, W2FLA.
>>
>>_______________________________________________
>>TowerTalk mailing list
>>TowerTalk@contesting.com
>>http://lists.contesting.com/mailman/listinfo/towertalk
>>
>>
>>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk
> 
_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather 
Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions 
and ask for Sherman, W2FLA.

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