mixed up with compass ?

[amc1]

Your location:
CANADA - NL - Corner Brook North Latitude: 48.967
West Longitude: 57.95 Please verify that the center of the map is near your actual location,
if it is within the map, you will get accurate readings.

[ame="http://maps.google.com/maps?ll=48.967,-57.95&spn=0.225391,0.686646&z=10&key=ABQIAAAA9HGFCnudowFixI0FQCI0MhRafBhaXaRxmmouxPiOAmrDXuerVBRXtclGsNg_yCveGVlCEQjBsZg8rA&mapclient=jsapi&oi=map_misc&ct=api_logo"]

[/ame]

Map data ©2009 Tele Atlas - Terms of Use​

Map

Satellite

Hybrid
​

True Azimuth: 229.1
Magn. Azimuth: 250.33 Magnetic azimuth should be used when using an uncorrected compass.

Dish Elevation: 21.6​

when looking for a signal whitch 1 do i use the True Azimuth: 229.1 or the Magn. Azimuth: 250.33 ,Magnetic azimuth should be used when using an uncorrected compass. can someone explan a little beacuse i get mixed up .

 

[Lak7]

The Earth's Magnetic Field in not perfect, no where near it.
There are different degrees of error, depending on where you are located on the Planet.
You use the uncorrected compass reading: 250.33

This may not show your location, but may be worth a look....
http://www.ngdc.noaa.gov/geomag/img/us_dec_8x11.pdf

 

[amc1]

so to be 100% clear on this i would use the uncorrected compass reading: 250.33?