World Geodetic System (WGS). GPS receivers operate on the World Geodetic System (WGS) global geocentric reference system, or datum. It is global because, unlike other datums that only apply to certain regions, WGS can be used...
Layout A (list)
What are Errors Of GPS System?
GDOP(Geometric Dilution of Precision) The idea of Geometric DOP is to state how errors in the measurement will affect the final state estimation. Geometric Dilution of Precision Estimate of satellite conditions for a given...
What is VTS or Vessel traffic services?
Traffic separation schemes and other ships’ routeing systems may be combined with a vessel traffic service (VTS), which is defined as a service designed to improve the safety and efficiency of vessel traffic and to protect...