Global Positioning System (GPS) Glossary
A  Accuracy to Azimuth

B  Basemap to Bearing

C-D  Coordinates to Datum

E-G  Geocache to GPS

H-K  Heading to Initialization

L-N  Latitude to NAVSTAR

O-Q  Parallel Channel Receiver to Position

R-T   Range to Track

U-W  WAAS to Waypoints

XYZ