Azimuth
* From: N. Bowditch, American Practical Navigator,
U.S. Navy Hydrographic Office, 1966 Ed.
Transverse Mercator SRF
- In geodetic coordinates the origin is at (0, -p/2, 0)
- The longitude of the origin is shown as 90º W
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And we’re all familiar with Rhumb lines (loxodromes), and great circle distances ...