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NIST Time and Frequency Division's annual seminar covers precision clocks and oscillators, atomic frequency standards, rf and optical synchronization, optical oscillators, quantum information; position, navigation, timing (PNT) Global Navigation Satellite Systems such as GPS and alt-PNT systems; making precise frequency, time, phase-noise, and jitter measurements; and establishing measurement accuracy and traceability. This 3-day course is the most comprehensive available.
Check back for updates:
July 21, 2026 8:00 am MT - July 23, 2026 5:00 pm MT
| Tuesday, July 21, 2026 | |
| 8:00 - 9:00 | Registration and check-in; 9:00 – 9:10 Introductions by David Howe |
| 9:10 - 9:40 | (CH1) Timekeeping and Time Distribution, Elizabeth Donley |
| 9:40 - 10:10 | (CH2) Oscillator Measurement Definitions and Concepts – I, David Howe |
| 10:10 - 10:30 | Break |
| 10:30 - 11:00 | (CH2) Clock Measurement Definitions and Concepts – II, David Howe |
| 11:00 - 12:00 | (CH3) Introduction to Time Domain Measurement Standards, Jeff Sherman |
| 12:00 – 12:45 | Lunch |
| 12:45 - 2:15 | (CH4) Time-Domain Analysis, Jeff Sherman |
| 2:15 – 2:50 | (CH5) Time-Domain and Frequency-Domain, David Howe |
| 2:50 – 3:20 | Break |
| 3:20 - 4:30 | (CH6) Techniques of State-of-the-Art PM and AM Noise Measurements, Craig Nelson |
| 4:30 – 5:10 | (CH7) Vibration-Induced Phase Noise: Oscillators and Non-Oscillatory Components, Archita Hati |
| Wednesday, July 22, 2026 | |
| 8:30 -8:45 | Archita Hati / David Howe: Announcements |
| 8:45 – 9:30 | (CH8) Direct Digital Measurement of Precision Oscillators, Marco Pomponio |
| 9:30 – 10:05 | (CH9) Optical Frequency Division for Ultralow Phase Noise Microwaves, Frank Quinlan |
| 10:05 – 10:30 | Break |
| 10:30 – 12:00 | (CH10) Introduction to GNSS for Position, Navigation, and Timing, Penina Axelrad |
| 12:00 – 12:45 | Lunch |
| 12:45 – 1:00 | Go to Bldg. 81 - Convene in Rm 1A113 for live Demonstrations |
| 1:00 – 2:15 | (CH11) Time and Frequency Measurement Demonstration, Andrew Novick, Ben Pera |
| 2:15 – 2:35 | Break |
| 2:35 – 4:00 | (CH12) Data Analysis Demonstration, featuring Stable32 |
| 4:00 – 5:00 | (CH13) Remote Time and Frequency Calibrations Demonstration, Andrew Novick and Ben Pera |
| 6:00 - 8:30 | Off-site Open House Microchip Technology Inc. |
| Thursday, July 23, 2026 | |
| 8:00 - 8:15 | Questions and Answers |
| 8:15 - 9:00 | (CH14) Precise and Accurate Network Timing, Jeff Sherman |
| 9:00 - 9:50 | (CH15) Cs Fountains at NIST, Greg Hoth |
| 9:50 - 10:30 | (CH16) Optical Atomic Frequency Standards, Andrew Ludlow |
| 10:30 - 10:50 | Break |
| 10:50 - 11:20 | (CH17) Chip-Scale Atomic Sensors and Clocks, William McGehee |
| 11:20 - 12:00 | (CH18) Time Transfer Alternatives to GNSS, Common-view, Jeff Sherman |
| 12:00 | Conclusion and Discussion |
| 2:00 – 4:00 | Final – Open Discussion and Meetings |
NIST Time and Frequency
Fairfield by Marriott Inn & Suites Boulder for 173.00 USD per night.
Last Day to Book : Saturday, June 27, 2026
Visitor Access Requirement:
- For Non-US Citizens: Please have your valid/non-expired passport for photo identification.*
- For US Permanent Residents: Please have your valid/non-expired green card for photo identification.*
- For US Citizens: Please have your valid/non-expired state-issued driver's license. NIST will only accept a REAL ID-compliant form of identification. Visitors with state-issued identification must now present a REAL ID or a different form of government-issued photo identification, such as: a valid/non-expired passport, passport card, DOD's Common Access Card (CAC), Veterans ID, Federal Agency HSPD-12 IDs, and Military Dependents ID.*
*Use of apps, physical photocopies, and/or digital screenshots of your ID, Passport or Green card will not be accepted.
Failure to show proper valid and compliant/non-expired photo identification upon check-in will result in denied entry into the facility.
For more information please visit our Campus Access and Security page.