Version 2.0
215
Glossary
Operator’s Manual
WORLD GEODETIC SYSTEM (WGS)
Worldwide datums (WGS 72 and WGS 84) used for satellite naviga-
tion systems. The main difference between WGS 72 and WGS 84 is
a small eastward shift. The resulting difference in position will
normally be 0.01 minute of longitude, which will not be noticeable
on charts of scale 1:50 000 or smaller. You may thus use the WGS 84
Plus Offset datum with charts marked with a WGS 72 offset. All
charts will eventually be converted to WGS 84 datum.
X
-TRACK ERROR (XTE)
See CROSS TRACK ERROR.
1PPS
One Pulse Per Second – A timing signal generally provided by
GNSS receivers.
Summary of Contents for MX420
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