CGSIC updates Interface Control Documents, plans next meeting

June 28, 2019  - By
CGSIC logo

The GPS Directorate has released updates to the below Interface Control Documents (ICD). ICDs are the formal means of establishing, defining, and controlling interfaces and for documenting detailed interface design definitions for the GPS program.

Updated Documents

  • IS-GPS-200: Navstar GPS Space Segment/Navigation User Interfaces
  • IS-GPS-705: Navstar GPS Space Segment/User Segment L5 Interface
  • IS-GPS-800: Navstar GPS Space Segment/User Segment L1C Interface
  • ICD-GPS-240: Navstar GPS Control Segment to User Support Community Interface
  • ICD-GPS-870: Navstar Next Generation GPS Control Segment (OCX) to User Support Community Interface

Download or view the updated ICDs at or NAVCEN.

59th CGSIC Meeting Set for September

The U.S. Department of Transportation (DOT) and the Coast Guard Navigation Center (NAVCEN) have announced plans for the 59th meeting of the Civil GPS Service Interface Committee (CGSIC).

The meeting will take place Sept. 16-17 at the Hyatt Regency Miami in Miami, Florida, in conjunction with the Institute of Navigation’s ION GNSS+ 2019 conference.

CGSIC meetings are free and open to the public. Subcommittees of the CGSIC for Timing, International Information, and Survey, Mapping, and Geosciences will hold meetings Sept. 16, and a summary of these meetings will be presented to the CGSIC plenary session Sept. 17.

The meeting will include important briefings on the status of ongoing GPS programs and a keynote address by Diana Furchtgott-Roth, deputy assistant secretary, Office of the Assistant Secretary for Research and Technology, U.S. Department of Transportation.

The CGSIC agenda in development can be found in the CGSIC section of

About the Author: Tracy Cozzens

Senior Editor Tracy Cozzens joined GPS World magazine in 2006. She also is editor of GPS World’s newsletters and the sister website Geospatial Solutions. She has worked in government, for non-profits, and in corporate communications, editing a variety of publications for audiences ranging from federal government contractors to teachers.