Summary

The Space Systems Command (SSC), System Delta 831 (SYD 831) NAVWAR & Position, Navigation, and Timing (PNT) will host the 2026 Public Interface Control Working Group (PICWG) and Open Public Forum on June 16, 2026 for the review of changes proposed in Request For Change (RFC)-00544 “Eccentric Anomaly Rate Fix and No Cost Items. Additional logistical details can be found below.

Access

Open to the public Tuesday, June 16, 2026, from 8:30 a.m. to 5:00 p.m. (Pacific Time). This virtual meeting can be accessed via the following URLs and dial-in numbers: 

• Meeting link
• Meeting ID: 993 250 433 301   |  Passcode: Gt2o45Ea
• Dial in by phone: +1 410-874-6750 United States, Odenton   |   Phone conference ID: 764 408 612# 

Documents

• Positioning, Navigation and Timing Mission Review Package – Read Me First
• Official Meeting Notice
• Comment Template Excel spreadsheet
• Change Notice for IS-GPS-800 Rev J
• Change Notice for IS-GPS-705 Rev J
• Change Notice for IS-GPS-200 Rev N
• Change Notice for ICD-GPS-870 Rev E  

Contact

For further information, contact: Mr. Daniel Stevenson, telephone: 310-653-3531; Los Angeles AFB, El Segundo, 90245; or email: SSC.CG.PICWG@spaceforce.mil.

Supplemental Information

The purpose of this meeting is to update the public on proposed GPS public document changes, collect issues/comments for analysis, and adjudicate subject comments for possible incorporation into future GPS public document revisions. The 2026 Public Interface Control Working Group and Open Forum are open to the general public.

Comments to the proposed changes will be collected, catalogued, and adjudicated for potential inclusion. If accepted, these changes will be processed through the government change management process for IS-GPS-200, IS-GPS-705, IS-GPS-800, and ICD-GPS-870. All comments must be submitted in a Comments Resolution Matrix. This form, along with the proposed change notices, public document baseline documents, and the official meeting notice, is listed under Documents.

Please submit comments to the Space Systems Command GPS Requirements Section (SSC/CGEPR) workflow at SSC.CG.PICWG@spaceforce.mil by March 13, 2026. Special topics may also be considered for the Public Open Forum. If you wish to present a special topic, please submit your topic title, briefer name, and organization by April 1, 2026.

For those who would like to attend and participate, we request that you register by May 29, 2026. Please send the registration information to SSC.CG.PICWG@spaceforce.mil, providing your name, organization, telephone number, email address, and country of citizenship.