45° 0'
-123° 7.5'
 45° 0'
-123° 0'
 SEA
520 - B
 
44° 52.5'
-123° 7.5'
Mag Variation:
14.7° E
44° 52.5'
-123° 0'

SEA 520 - A
SEA 520 - B
SEA 521 - A
45° 0'
-123° 7.5'
↑  SEA 488 - D  ↑45° 0'
-123° 0'
44° 52.5'
-123° 7.5'
↓ SEA 520 - D  ↓ 44° 52.5'
-123° 0'
 
Avg Mag Variation: 14.7° E
For:NorthEastSouthWest
Steer:345075165255

Start of AM Civil Twilight:

05:32 PDT

End of PM Civil Twilight:

18:35 PDT