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The Future of the CCG Differential Global Positioning System (DGPS)

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skeezix:
The Canadian Positioning, Navigation and Timing Board Update

CGSIC International Subcommittee
September 20, 2021



--- Quote ---Maritime Navigation
The future of the CCG Differential Global Positioning System (DGPS)

• Due to its age and the needs for replacement, the CCG conducted an options analysis for the future of the CCG
DGPS service.

• CCG will be discontinuing the Canadian DGPS by the end of 2022. All 19 sites will be shut down
simultaneously.

• Between now and Fall of 2022, CCG will continue to inform stakeholders and communicate in preparation for
the shutdown date.
--- End quote ---

ChrisSmolinski:

skeezix:
https://nis.ccg-gcc.gc.ca/public/rest/messages/en/message/124849


ID         NW-C-2078-22
Date       2022-12-07 00:13 UTC To 2022-12-16 00:00 UTC
Status     Published
Title      Differential Global Positioning System (DGPS) in Canada
Areas      Canada
Categories DGPS

Description   
On December 15th, 2022, the Canadian Coast Guard will permanently discontinue the provision of its DGPS service across Canada.

Discontinuing this service aligns with Coast Guard’s efforts to modernize marine navigation services and find alternatives to aging DGPS infrastructures.

Today’s GPS meets the needs of international Position, Navigation and Timing (PNT) requirements. Further, for mariners in Canadian waters, there is no carriage requirement for ground- or space-based augmentation capability onboard vessels for Global Navigation Satellite Systems (GNSS).

Modern GNSS receivers can use the Wide Area Augmentation System (WAAS) as a viable alternative to DGPS. Coast Guard’s technical review of PNT solutions for Canada, and a study of the performance of WAAS found coverage to be excellent throughout Canada, including up to 72 degrees north latitude in the Arctic.

skeezix:
https://nis.ccg-gcc.gc.ca/public/rest/messages/en/message/128059

ID   NW-C-0063-23
Date   2023-01-23 22:10 UTC
Status   Published
Title   Differential Global Positioning System (DGPS) in Canada
Areas   Canada
Categories   DGPS

Description   
Following the discontinuation of DGPS services across Canada on 15 Dec 2022, some infrastructure may become operational in an unreliable state or for testing purposes. Mariners are not to rely on readings or corrections that may be provided by DGPS.

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