27/03/2026

New Recommended Values of Standard Frequencies (CCTF,2025) active

25/03/2026

Laboratories' information for 2025 is now available

27/01/2025

Laboratories' information for 2024 is now available

24/07/2024

>> On-line tutorials <<

16/05/2024

New dynamic plots using plotly
- UTC-UTC(k)
- UTC-GNSS Times