The BIPM Time, Frequency and Gravimetry Section conducts differential calibrations of GPS equipment located in time laboratories participating in the calculation of International Atomic Time (TAI).
To date the BIPM has determined the differential time corrections for GPS time equipment located at the following laboratories:
in the Americas:
APL, United States
NIST, United States
USNO, United States
in the Asia-Pacific region:
CRL, Japan
KRISS, Republic of Korea
NMIJ, Japan
NML (now NMIA), Australia
NTSC, China
OGO, Australia
SCL, Hong Kong
TL, Chinese Taipei
in the European region:
AOS, Poland
CH (METAS), Switzerland
DTAG, Germany
GUM, Poland
IEN (now INRIM), Italy
IPQ, Portugal
NPL, UK
OCA, France
OP, France
PTB, Germany
ROA, Spain
SP, Sweden
TUG, Austria
VSL, the Netherlands
The results are published as Rapports BIPM. Click here for an up-to-date list.
Summary
The BIPM Time, Frequency and Gravimetry Section conducts differential calibrations of GPS equipment located in time laboratories participating in the calculation of International Atomic Time (
