[TowerTalk] Strange behavior

[jimlux]

On 1/23/17 6:22 PM, Roger (K8RI) on TT wrote:
> Noon by the clock, or noon by the sun (solar time)?  Depending on
> location, the clock can be nearly an hour off particularly if in a state
> with a skewed time zone, or near the edge of a time zone.  Michigan
> (where I live) is near the Western edge of the Eastern time zone. My
> location is off by nearly an hour between EST and Solar time.
>
> 73, Roger (K8RI)

The Naval Observatory Astronomical Applications site generates tables 
that are corrected for your location, etc.

http://aa.usno.navy.mil/data/index.php

you're looking for "Sun transit"
http://aa.usno.navy.mil/data/docs/RS_OneDay.php


>
> On 1/23/2017 3:31 PM, Jim Brown wrote:
>> On Mon,1/23/2017 8:32 AM, Michael Clarson wrote:
>>> David's method of using a topo map and sighting an object is the best
>>> way.
>>
>> That works IF you can see the distant object. My towers are in a dense
>> redwood forest. I established true north from the shadow of the tower
>> at solar noon using online tables by date, on a day when the sun got
>> through the trees to cast a shadow at noon, and laid down a log along
>> the shadow.
>>
>> https://www.esrl.noaa.gov/gmd/grad/solcalc/
>>
>> 73, Jim  K9YC
>>
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>
>