us/uk world magnetic model - epoch 2015.0 main field ... · us/uk world magnetic model - epoch...
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US/UK World Magnetic Model - Epoch 2015.0Main Field Declination (D)
Map developed by NOAA/NGDC & CIREShttp://ngdc.noaa.gov/geomag/WMMMap reviewed by NGA and BGSPublished December 2014
Main �eld declination (D)Contour interval: 2 degrees, red contours positive (east); blue negative (west); green (agonic) zero line.Mercator Projection. : Position of dip polesj
kj
20
-10
10
0
-80
-9020 10 0 -10
-20
-30
-40
-50
-60
-70
0-30-70
70
60
50
40
30
20
10
0
-10
-20
-20-10010
20
-10
-30
-30
-40
-50
80
90 8070
6050
40
30
20
10
0
10
100
-10
-20
-10
-10
0 0
70°N 70°N
70°S 70°S180°
180°
180° 135°E
135°E
90°E
90°E
45°E
45°E
0°
0°
45°W
45°W
90°W
90°W
135°W
135°W
60°N 60°N
45°N 45°N
30°N 30°N
15°N 15°N
0° 0°
15°S 15°S
30°S 30°S
45°S 45°S
60°S 60°S