UK MCA

UK MCA: 2nd GPS Week Number Rollover to take place in April

The UK Maritime & Coastguard Agency informed operators that use GPS for both position and UTC, that the GPS Week Number will be rolling over for the second time, on April 6th, 2019. This could lead stand-alone GPS receivers and systems using GPS chips, to produce data that is 19.7 years either in the past or future, thus generating errors in both the GPS position and time.

Changes expected to Inmarsat satellite services including GMDSS

Inmarsat is migrating the GMDSS Services, Inmarsat C and Fleet 77, from the Inmarsat-3 satellite constellation to the Inmarsat-4 satellite constellation. During the migration manual intervention on Inmarsat Ship Earth Stations may be necessary. After each phase of the migration the coverage area of these GMDSS services will change.

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