[TowerTalk] north

[Patrick Greenlee]

Ah, but you are not allowing for plate tectonics!  Continental drift 
since your information was gathered was not allowed for.  TSK TSK

Patrick    NJ 5G    ;)    ;)


On 12/25/2014 1:24 PM, Chuck Dietz wrote:
> I guess I'm just lucky.  I bought the Corps of Engineers map for my
> location and the highrise buildings in downtown Houston are about 20 miles
> due north.  On most days I can see them to aim the antennas.
>
> Merry Christmas!
>
> Chuck W5PR
>
> On Thu, Dec 25, 2014 at 10:41 AM, Jim Brown <jim at audiosystemsgroup.com>
> wrote:
>
>> On Thu,12/25/2014 5:31 AM, Jim Lux wrote:
>>
>>> getting true "north" to even one degree accuracy is harder than it seems
>>> at first glance.
>>>
>> My QTH is south of San Francisco. I've aligned both of my rotators to true
>> north using the shadow cast by the towers. On a bright day, summer or
>> winter, shadows are clearly defined. Agreed that the towers are not narrow,
>> but neither are the patterns of the 3-el Yagis on top, and they are
>> carefully plumbed to vertical. :)
>>
>> 73, Jim K9YC
>>
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