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New NAVCEN chart shows GPS satellite locations

The GPS Directorate has approved a change to the Navstar GPS Control Segment to User Support Community Interfaces ICD-GPS-240 and ICD-GPS-870, reports the U.S. Coast Guard Navigation Center.

The change removes the GPS satellite plane/slot and clock information from the Operational Advisory message. SVN/PRN, block type and NANU details will continue to be included.

The change proposal was approved by the GPS Interface Control Working Group in December 2018.

A depiction of the GPS constellation of satellites with slot and plane designations has been published by the U.S. Coast Guard Navigation Center as an easy-to-read graphic for use by the GPS user community.

Chart: NAVCEN

The chart can be found on the NAVCEN Constellation Status page and will be updated with the commissioning of new GPS satellites or upon any change in the constellation.

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