# National Space-Based Positioning, Navigation, and Timing Advisory Board; Meeting
**AGENCY:**
National Aeronautics and Space Administration.
**ACTION:**
Notice of meeting.
**SUMMARY:**
In accordance with the Federal Advisory Committee Act, as amended, the National Aeronautics and Space Administration (NASA) announces a meeting of the National Space-Based Positioning, Navigation and Timing (PNT) Advisory Board. This will be the 30th meeting of the PNT Advisory Board.
**DATES:**
Wednesday, April 24, 2024, from 9:00 a.m.-6:00 p.m., Mountain Time; and Thursday, April 25, 2024, from 9:00 a.m.-12:30 p.m., Mountain Time.
**ADDRESSES:**
The Antler Hotel; 4 South Cascade Avenue, Colorado Springs, CO 80903.
**FOR FURTHER INFORMATION CONTACT:**
Mr. James Joseph Miller, Designated Federal Officer, PNT Advisory Board, Space Operations Mission Directorate, NASA Headquarters, Washington, DC 20546, (202) 262-0929 or *[email protected].*
**SUPPLEMENTARY INFORMATION:**
This meeting will be open to the public up to the capacity of the meeting room. In-person attendees will be requested to sign a register prior to entrance to the proceedings. Webcast details to watch the meeting remotely will be available on the PNT Advisory Board website at: *www.gps.gov/governance/advisory/.*
The agenda for the meeting will include the following:
○ Motivation for Protect, Toughen, and Augment (PTA) of GPS/GNSS for all Users
○ Protecting GPS/GNSS Use
○ Toughening GPS/GNSS
○ Augmenting GPS/GNSS
○ Comparison of the Capabilities of GNSSs
○ Updates From International Members and Representatives
○ Deliberations and Discussion on Next Steps
○ Other PNT Advisory Board Business
For further information, visit the PNT Advisory Board website at: *https://www.gps.gov/governance/advisory/.*
It is imperative that the meeting be held on this date to meet the scheduling availability of key participants.
Carol J. Hamilton,
Acting Advisory Committee Management Officer, National Aeronautics and Space Administration.