On 10/26/2012 10:53 AM, K8RI wrote:
The shadow technique when combined with the boom of the antenna or
used with a Theodolite or transit is the most precise method of
finding true North available to a ham and is going to get you into
seconds of arc precision and transferring that to the antenna/rotator
can still be kept in the realm of arc seconds.
I found a government website that provided the time of noon for a
lat/lon and date that you enter, and used the shadow of my towers to
show me true north. If you can be around at noon on a sunny day, it
works quite well.
73, Jim K9YC
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