[TowerTalk] Declination

[Lux, Jim]

On 4/29/22 12:55 PM, Michael Ward wrote:
> I like to keep it simple, just download "Compass by Melon Soft" for 
> your phone.  You can switch between True North and Magnetic North. It 
> is one of the more useful apps to have on your phone, since your phone 
> always knows where you are located.

On iPhone, I like Theodolite from Hunter Research.  It's inexpensive, 
and it has a lot of nice features.  You can point at things and get 
elevation angles and azimuth, it can put up a reticle to measure 
distances, etc.

Also, on iPhone, the standard Compass App that comes with iOS can be set 
to either True or Magnetic (it's in settings)



>
> K6BR
>
> On 4/29/2022 10:02 AM, Jim Brown wrote:
>> On 4/29/2022 5:44 AM, marsh at ka5m.net wrote:
>>> NOAA has an online calculator for estimating the declination at any 
>>> longitude/latitude on a specific date.
>>
>> I used the shadow at solar noon. A google search will find the clock 
>> time of solar noon for your location.
>>
>> 73, Jim K9YC
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