Dr James Hanssen
U.S. Naval Observatory [USNO]
3450 Massachusetts Avenue NW
20392-5420 Washington D.C.
United States of America
Consultative Committee for Time and Frequency
Experts
From 11 to 12 March 2021
Consultative Committee for Time and Frequency
Experts
From 28 to 29 October 2020
CCTF Working Group on Two-Way Satellite Time and Frequency Transfer
Delegates
From 20 to 27 May 2022
CCTF Working Group on GNSS Time Transfer
Delegates
18 May 2022
CCTF Working Group on GNSS Time Transfer
Delegates
23 June 2021