CURRENT UTC

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Great circle

Latitude A Longitude A Latitude B Longitude B Distance Initial track Sel. dist. track
(0 NM)
Lat. vertex
0 NM 000° X ± 90°
Lat. X
Long. X



A great circle is the shortest route between any two points on the earth's surface.

Rhumb line

Latitude A Longitude A Latitude B Longitude B Distance Track
0 NM 000°

A rhumb line is a constant track direction between any two points on the earth's surface.






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