The Space Force hosted the 2025 Public Interface Control Working Group and Open Forum for the following documents:
- Proposed Changes to IS-GPS-200N (PDF)
- Proposed Changes to IS-GPS-705J (PDF)
- Proposed Changes to IS-GPS-800J (PDF)
This meeting was open to the public, with public participation welcomed.
Meeting Minutes:
Additionally, the Space Force released a post-meeting version of the meeting slides, indicating the modifications made as a result of the discussions.
Meeting Announcement
The Space Force will host the 2025 Public Interface Control Working Group and Open Forum for the following documents:
- IS-GPS-200: Navigation User Interfaces
- IS-GPS-705: User Segment L5 Interfaces
- IS-GPS-800: User Segment L1C Interface
This meeting is open to the general public where public participation is welcomed.
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.
For those who would like to attend this meeting, we request that you register at your earliest convenience (no later than April 30, 2025). Please send your registration information to ssc.cg.picwg@spaceforce.mil; providing your name, organization, telephone number, email address, and country of citizenship.
Backup dial-in & screen share website will only be used in case of primary system technical difficulties.
The official public notice in the Federal Register will provide further information and instructions for meeting registration, comment submission, and dial-in.
Pre-Meeting Comment Submission
The Space Force seeks public comments on the following Proposed Change Notices (PCN) and related materials. The comment period ends March 21, 2025.
RFC-00519: Civil Integrity Support Message (ISM) Formats
- 22-OCT-2024 Proposed Changes to IS-GPS-200N (PDF)
- 22-OCT-2024 Proposed Changes to IS-GPS-705J (PDF)
- 22-OCT-2024 Proposed Changes to IS-GPS-800J (PDF)
Supporting Documents
- Read Me: Public Review of Preliminary Change Notices (PDF)
- Draft UpRev to IS-GPS-200N - Redline (PDF)
- Draft UpRev to IS-GPS-200N - Clean (PDF)
- Draft UpRev to IS-GPS-705J - Redline (PDF)
- Draft UpRev to IS-GPS-705J - Clean (PDF)
- Draft UpRev to IS-GPS-800J - Redline (PDF)
- Draft UpRev to IS-GPS-800J - Clean (PDF)
Please submit all comments to ssc.cg.picwg@spaceforce.mil using the Comment Resolution Matrix form below (.xlsx format):
- CRM for RFC 519
Special topics may also be considered for the Public Open Forum. If you wish to present a special topic, please submit any materials to ssc.cg.picwg@spaceforce.mil no later than April 1, 2025.