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.