Towertalk
[Top] [All Lists]

[TowerTalk] Fwd: Strange behavior

To: towertalk@contesting.com
Subject: [TowerTalk] Fwd: Strange behavior
From: Hans Hammarquist via TowerTalk <towertalk@contesting.com>
Reply-to: Hans Hammarquist <hanslg@aol.com>
Date: Tue, 24 Jan 2017 14:23:25 -0500
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
To add "salt to the injury" the solar noon varies a little for different times 
of the years.

Hans - N2JFS


-----Original Message-----
From: jimlux <jimlux@earthlink.net>
To: towertalk <towertalk@contesting.com>
Sent: Mon, Jan 23, 2017 11:49 pm
Subject: Re: [TowerTalk] Strange behavior


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
>>
>> _______________________________________________
>>
>>
>>
>> _______________________________________________
>> TowerTalk mailing list
>> TowerTalk@contesting.com
>> http://lists.contesting.com/mailman/listinfo/towertalk
>
>

_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk
_______________________________________________



_______________________________________________
TowerTalk mailing list
TowerTalk@contesting.com
http://lists.contesting.com/mailman/listinfo/towertalk

<Prev in Thread] Current Thread [Next in Thread>