The BIPM organizes the international network of time links to compare local realizations of UTC in contributing laboratories and uses them in the calculation of TAI. The network of time links used by the BIPM is non-redundant and relies on observation of GNSS satellites and on two-way satellite time and frequency transfer (TWSTFT).
Monthly timelinks and their comparisons are computed by the BIPM Time Department and results can be found below:
period 2403
period 2402
period 2401
period 2312
period 2311
period 2310
period 2309
period 2308
period 2307
period 2306
period 2305
period 2304
period 2303
period 2302
period 2301
period 2212
period 2211
period 2210
period 2209
period 2208
period 2207
period 2206
period 2205
period 2204
period 2203
period 2202
period 2201
period 2112
period 2111
period 2110
period 2109
period 2108
period 2107
period 2106
period 2105
period 2104
period 2103
period 2102
period 2101
period 2012
period 2011
period 2010
period 2009
period 2008
period 2007
period 2006
period 2005
period 2004
period 2003
period 2002
period 2001
period 1912
period 1911
period 1910
period 1909
period 1908
period 1907
period 1906
period 1905
period 1904
period 1903
period 1902
period 1901
period 1812
period 1811
period 1810
period 1809
period 1808
period 1807
period 1806
period 1805
period 1804
period 1803
period 1802
period 1801
period 1712
period 1711
period 1710
period 1709
period 1708
period 1707
period 1706
period 1705
period 1704
period 1703
period 1702
period 1701
period 1612
period 1611
period 1610
period 1609
period 1608
period 1607
period 1606
period 1605
period 1604
period 1603
period 1602
period 1601
period 1512
period 1511
period 1510
period 1509
period 1508
period 1507
period 1506
period 1505
period 1504
period 1503
period 1502
period 1501
period 1412
period 1411
period 1410
period 1409
period 1408
period 1407
period 1406
period 1405
period 1404
period 1403
period 1402
period 1401
period 1312
period 1311
period 1310
period 1309
period 1308
period 1307
period 1306
period 1305
period 1304
period 1303
period 1302
period 1301
period 1212
period 1211
period 1210
period 1209
period 1208
period 1207
period 1206
period 1205
period 1204
period 1203
period 1202
period 1201
period 1112
period 1111
period 1110
period 1109
period 1108
period 1107
period 1106
period 1105
period 1104
period 1103
period 1102
period 1101
period 1012
period 1011
period 1010
period 1009
period 1008
period 1007
period 1006
period 1005
period 1004
period 1003
period 1002
period 1001
period 0912
period 0911
period 0910
period 0909
period 0908
period 0907
period 0906
period 0905
period 0904
period 0903
period 0902
period 0901
period 0812
period 0811
period 0810
period 0809
period 0808
period 0807
period 0806
period 0805
period 0804
period 0803
period 0802
period 0801
period 0712
period 0711
period 0710
period 0709
period 0708
period 0707
period 0706
period 0705
period 0704
period 0703
period 0702
period 0701
period 0612
period 0611
period 0610
period 0609
period 0608
period 0607
period 0606
period 0605
period 0604
period 0603
period 0602
period 0601
period 0512
period 0511
period 0510
period 0509
period 0508
period 0507
period 0506
period 0505
period 0504
period 0503
period 0502
period 0501
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