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Apr
2026

65th Meeting of the Civil GPS Service Interface Committee

Department of Transportation Headquarters building in Washington, DC

The 65th meeting of the U.S. Government’s Civil GPS Service Interface Committee (CGSIC) will be hosted by the U.S. Department of Transportation (DOT) Office of Positioning, Navigation, Timing (PNT) & Spectrum Management and the U.S. Coast Guard (USCG) Navigation Center (NAVCEN). The meeting will be held on 20 & 21 April 2026 at the Department of Transportation Headquarters building in Washington, DC. DOT serves as the civil lead for the Global Positioning System (GPS) and chairs the CGSIC in this capacity. NAVCEN fulfills duties as Deputy Chair and Executive Secretariat for the CGSIC. 

 

CGSIC Meeting Registration link: https://forms.office.com/g/rZsq97jqJZ

Agenda is subject to change.

Mon, April 20, 2026
8:00am - 8:55am
 Check-In Open
8:55am - 9:00am
 Call to Order Housekeeping

Atrium Main Stage
Mr. Harold Kiffer
CGSIC Executive Secretariat
9:00am - 9:10am
 Welcome/Opening Remarks

Atrium Main Stage
Dr. Christopher Erickson
Chair, CGSIC
9:10am - 9:20am
 Meeting Overview

Atrium Main Stage
Captain Margaret Kennedy
Deputy Chair, CGSIC
9:20am - 12:30pm
 CGSIC Subcommittee Meeting - Surveying, Mapping and Geosciences

Atrium Main Stage

Geospatial infrastructure - 1 hr sub-session
Lucia Tsaoussi (NASA/HQ) or Stephen Merkowitz (NASA/Goddard)
Shachak Peeri (NOAA/NGS)
Christopher Gauthier (USCG Nav Center)

BREAK

GNSS research and addressing the Geodesy Crisis - 1 hr sub-session
Jeff Freymueller. (Michigan State University)
Jihye Park (Oregon State)
Demian Gomez (Ohio State)

GNSS capabilities - 40 minute sub-session
Attila Komjathy (NASA JPL)
Joel Johnson (CU Boulder)

Summary and audience questions
Dr. Daniel Roman (NOAA/NGS) - Session summary
  • Dr. Daniel Roman
    Senior Advisor for Geodesy / National Geodetic Survey / NOAA / National Ocean Service
  • Mr. Neil Winn
    US Department of the Interior, Enterprise GIS: Positioning and Navigation
12:30pm - 1:30pm
 Lunch

CGSIC Leadership Luncheon Conference Meeting Room 8/9/10
1:30pm - 4:30pm
 CGSIC Concurrent Sub Committee Meeting Sessions (Afternoon)

Timing Subcommittee - Atrium Main Stage


Welcome Remarks / Introduction
Dr. Patricia Larkoski (MITRE), Co-Chair
Dr. Bijunath Patla (NIST), Co-Chair
 

“USNO Lab Update” 
Dr. Steven Peil
Chief Scientist, Precise Time Department, US Naval Observatory 
 

“A Resolution for Continuous Universal Time”
Dr. Michael Coleman
Space PNT Branch, Naval Research Laboratory (NRL)
 

“A Resolution for Continuous Universal Time”
Dr. Michael Coleman
Space PNT Branch, Naval Research Laboratory (NRL)
 

“IEEE P1952 Standard for Resilient PNT User Equipment” 
Dr. Doug Arnold
Chief Technologist, Meinberg USA
 

Break

“Preliminary Results from a Roadside GPS/GNSS Jammer Prevalence Assessment”
Dr. Austin Albright
Oak Ridge National Lab
 

“Broadcast Positioning System (BPS)”
Tariq Mondal
Vice President, Broadcast Positioning System, NAB

 

“5G/6G NTN: GNSS Resilience and Potential PNT”
Dr. Vijitha Weerackody
Principal Professional Staff, Johns Hopkins University Applied Physics Laboratory

Questions and Discussion
  • Dr. Patricia Larkoski
    Lead Sensor Engineer, The MITRE Corporation
  • Dr. Bijunath Patla
    National Institute of Standards and Technology (NIST)
1:30pm - 4:30pm
 CGSIC Concurrent Sub Committee Meeting Sessions (Afternoon)

International Information Subcommittee – Meeting Room 8/9/10
Mr. John Wilde
CEO, Spacekeys
Tue, April 21, 2026
8:00am - 8:55am
 Check-In Open
8:55am - 9:00am
 Call to Order/Housekeeping

Atrium Main Stage
Mr. Harold Kiffer
CGSIC Executive Secretariat
9:00am - 9:10am
 Welcome/Opening Remarks & Keynote Introductions
Dr. Christopher Erickson
Chair, CGSIC
9:10am - 9:30am
 Co-Keynote Address
Mr. David Carter
Chief Data Officer, Department of the Interior
9:30am - 9:50am
 Co-Keynote Address
Ms. Amy Nelson
Chief Geospatial Information Officer, Department of Transportation
9:50am - 10:10am
 GPS Architecture
Mr. Bruno Mediate
Mission Delta 31 Director of Mission Integration, U.S. Space Force
10:10am - 10:30am
 USCG SARSAT
CDR Stacy Teixiera
CG-SAR-3
10:30am - 10:50am
 Break
10:50am - 11:10am
 GPS Civil Liaison Updates
  • Dr. Andrew Hansen
    U.S. Department of Transportation
  • Mr. Shawn Skalski
    U.S. Department of Transportation
11:10am - 11:30am
 GPS International Activities
Mr. Jeffrey Auerbach
Senior GPS Advisor, Office of Space Affairs. U.S. Department of State
11:30am - 11:50am
 NASA Advancements using GNSS for Space Operations and Science
Mr. Joel Parker
Navigation and Mission Design Branch, NASA
11:50am - 12:10pm
 DHS PNT Updates
Brannan Villee
Division Director, National Resilience Solutions DHS Science and Technology Directorate
12:10pm - 12:30pm
 Q/A Panel
12:30pm - 1:45pm
 Lunch
1:45pm - 1:50pm
 Subcommittee Chair Introductions
Captain Margaret Kennedy
Deputy Chair, CGSIC
1:50pm - 2:15pm
 Subcommittee Reports

Timing Subcommittee - Dr. Patricia Larkoski

International Subcommittee - Mr. John Wilde

Surveying, Mapping, and Geosciences Subcommittee - Dr. Daniel Roman
2:15pm - 2:35pm
 FAA Navigation Programs Update
Ms. Deborah Lawrence
Navigation Programs Manager, FAA, DOT
2:35pm - 2:55pm
 Timing in the Energy Sector
Mr. David Howard
Director of Grid Components, Office of Electricity, Department of Energy
2:55pm - 3:15pm
 U.S. National Space-Based PNT Update
Mr. Harold Martin
Director, National Coordination Office for Space-Based Positioning, Navigation, and Timing
3:15pm - 3:25pm
 Q/A Panel
3:25pm - 3:40pm
 Break
3:40pm - 4:00pm
 RNT Foundation
Mr. Dana Goward
4:00pm - 4:05pm
Ms. Seval Oz
Senior Advisor, U.S. Department of Transportation
4:05pm - 4:15pm
 Closing Remarks
The Honorable Steven G. Bradbury
Deputy Secretary of Transportation
4:15pm - 4:30pm
 Questions
4:30pm
 Close the 65th meeting of the Civil GPS Service Interface Committee