C Commands Summary
MiLLennium GPSCard SW Version 4.503/4.52 Command Descriptions Manual Rev 2 109
Figure C-3 Illustration of Magnetic Variation & Correction
Reference Description
a True Bearing
b Local Magnetic Variation
c Local Magnetic Variation Correction (inverse of
magnetic variation)
a + c Magnetic Bearing
d Heading: 50° True, 60° Magnetic
e True North
f Local Magnetic North