[TowerTalk] Direction Finding

[Richard Spindler]

The time of local noon is also provided on the Web by the US Naval
Observatory:

http://aa.usno.navy.mil/AA/data/docs/RS_OneDay.html#forma

At a time exactly halfway between official sunrise and official sunset,
a shadow will point true north.

Doc / N9AM


----- Original Message -----
From: Pete Smith <n4zr@contesting.com>
To: <towertalk@contesting.com>
Sent: Sunday, March 12, 2000 3:08 PM
Subject: Re: [TowerTalk] Direction Finding


>
> At 12:58 PM 3/12/00 -0700, Stu Greene wrote:
> >
> >This subject comes up time and time again.  We're going to get bombed
with
> >shadow theories, but what's wrong with using the North Star (Polaris)
as a
> >northern reference?  It doesn't move more than a degree off true
north and
> >is visible in most of the Northern Hemisphere.
>
> Sure, but it's equally true (and somewhat easier) to calculate the
time
> that is exactly halfway between local sunrise and local sunset (from
the
> newspaper), and look at the shadow of your tower -- it will point true
> north at that time.
>
> Thanks to W3LPL for my first introduction to this one.
>
> 73, Pete Smith N4ZR
> n4zr@contesting.com
>
> Don't forget to update your entry on the World Contest Station
Database, at
> http://206.102.70.3/search.htm
>
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>


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