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Aids to Navigation - GPS Receivers
GPS receiver - manually-entered position offsets may cause safety hazard
March 2, 2005
Certain Global Positioning System (GPS) receivers do not provide a proper
indication to other connected equipment when manually-entered position offsets
are entered into the GPS receiver. Even a small offset could result in danger of
Collision or other navigation safety hazard when the receiver is interconnected
to devices such as Automatic Identification Systems (AIS), Electronic Chart
Display and Information Systems (ECDIS), Integrated Navigation Systems (INS) or
Track Control Systems (TCS).
GPS Receivers identified as having this problem:
For further information on this matter please refer to the U.S. Coast Guard Web
Site at http://rtcm.info/044-2005-GEN-DIST.pdf
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