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:

03:51 PDT

End of PM Civil Twilight:

20:30 PDT