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An upgrade to dsc components now allows for automatic test call acknowledgments (atca's) which were not…

Camslant Chesapeake (nmn) Is Fully Operational On Gmdss - Dsc · NAVAREA IV 142/07

issued: 2007-05-24 21:00Z
status: cancelled 2007-07-05 00:00Z (archive)
cancels: NAVAREA IV 140/07
authority: COGARD CAMSLANT 241641Z MAY 07.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. CAMSLANT CHESAPEAKE (NMN) IS FULLY OPERATIONAL ON GMDSS - DSC.
   AN UPGRADE TO DSC COMPONENTS NOW ALLOWS FOR AUTOMATIC TEST CALL
   ACKNOWLEDGMENTS (ATCA'S) WHICH WERE NOT AVAILABLE ON PREVIOUS
   VERSIONS. AS A RESULT OF THE MULTITUDE OF TEST CALLS AND IN AN
   EFFORT TO REDUCE OPERATOR INTERVENTION, COMMENCING ON
   080001Z JUN 07 CAMSLANT WILL NO LONGER ACKNOWLEDGE/RESPOND
   TO TEST CALLS EXCEPT ON FREQUENCY 4207.5KHZ FROM
   THE FOLLOWING LOCATION/SITES:
   CAMSLANT CHESAPEAKE/NMN - MMSI: 003669995
   NEW ORLEANS/NMG - MMSI: 003669998
   NO OTHER DSC SERVICES ARE CHANGING. UNTIL 080001Z JUN 07
   CAMSLANT WILL CONTINUE TO ACKNOWLEDGE/RESPOND TO TEST
   CALL ON ALL FREQUENCIES FROM ALL STATIONS. THE ATCA HAS
   BEEN APPLIED AND IS FUNCTIONAL ON THE ABOVE LOCATIONS.
2. CANCEL NAVAREA IV 140/07.
3. CANCEL THIS MSG 05 JUL.

Timeline

Camslant has resumed normal operations on all dsc functionscancels · 2007-05-23
Camslant has resumed normal operations on all dsc functionsreplaced · 2007-05-23
NAVAREA IV messages in force 080430Z jul 2007cancelled by · 2007-07-08

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