![]() | CIRCULAR T 462 | ![]() | ISSN 1143-1393
| |
| 2026 JULY 10, 11h UTC | ||||
| BUREAU INTERNATIONAL DES POIDS ET MESURES | ||||
| THE INTERGOVERNMENTAL ORGANIZATION ESTABLISHED BY THE METRE CONVENTION | ||||
| PAVILLON DE BRETEUIL F-92312 SEVRES CEDEX TEL. +33 1 45 07 70 70 tai@bipm.org | ||||
1 - Difference between UTC and its local realizations UTC(k) and corresponding uncertainties.
From 2017 January 1, 0h UTC, TAI-UTC = 37 s.
| Date 2026 0h UTC | MAY 29 | JUN 3 | JUN 8 | JUN 13 | JUN 18 | JUN 23 | JUN 28 | Uncertainty/ns | Notes | |||||
| MJD | 61189 | 61194 | 61199 | 61204 | 61209 | 61214 | 61219 | uA | uB | u | ||||
| Laboratory k | [UTC-UTC(k)]/ns | |||||||||||||
| AGGO | (La Plata) | | | 298.1 | 294.4 | 291.9 | 299.2 | 297.4 | 295.1 | 294.7 | 0.7 | 3.2 | 3.3 | |
| AOS | (Borowiec) | | | 4.4 | 4.0 | 3.2 | 2.5 | 2.0 | 1.2 | 0.4 | 0.2 | 2.8 | 2.8 | |
| APL | (Laurel) | | | 2.4 | 2.4 | 1.9 | 0.7 | -1.2 | -0.7 | 0.2 | 0.2 | NC | - | |
| AUS | (Sydney) | | | 22.2 | 30.7 | 21.8 | 5.0 | 1.5 | 1.3 | -0.8 | 0.2 | 3.2 | 3.2 | |
| AZ | (Baku) | | | 959.2 | 976.4 | 84.9 | 86.1 | 94.7 | 99.1 | 99.6 | 0.2 | 7.1 | 7.1 | |
| BEV | (Wien) | | | -0.7 | -6.9 | -5.8 | -8.9 | -8.3 | -6.4 | 0.1 | 0.2 | 3.2 | 3.2 | |
| BFKH | (Budapest) | | | 5907.9 | 5955.0 | 5999.9 | 6042.1 | 6085.1 | 6120.6 | 6170.6 | 1.5 | 7.3 | 7.4 | |
| BIM | (Sofiya) | | | 7555.7 | 7601.8 | 7647.2 | 7686.6 | 7717.4 | 7776.9 | 7846.1 | 0.2 | NC | - | |
| BIRM | (Beijing) | | | -0.1 | -1.2 | -0.4 | -0.3 | -0.4 | -0.4 | -1.0 | 0.2 | 3.7 | 3.7 | |
| BSJ | (Kingston) | | | 10.1 | 11.8 | 4.6 | 2.2 | 1.4 | -2.9 | 12.9 | 1.5 | 7.4 | 7.5 | |
| BY | (Minsk) | | | -5.2 | -4.8 | -7.2 | -9.5 | -10.8 | -12.7 | -15.1 | 1.5 | 3.4 | 3.7 | |
| CAO | (Cagliari) | | | 139.9 | 134.8 | 131.3 | 146.3 | 143.5 | 137.8 | 135.9 | 0.7 | NC | - | |
| CH | (Bern-Wabern) | | | -1.2 | -0.6 | -0.3 | 0.2 | 0.5 | 0.8 | 0.8 | 0.2 | 1.2 | 1.2 | |
| CNES | (Toulouse) | | | -0.3 | -1.2 | -1.0 | -0.2 | 1.2 | -0.7 | -1.0 | 0.2 | 2.6 | 2.6 | |
| CNM | (Queretaro) | | | -0.5 | -1.7 | 1.5 | 0.9 | 0.7 | 0.5 | 0.8 | 3.0 | 4.6 | 5.5 | |
| CNMP | (Panama) | | | -1.5 | -2.3 | 6.8 | -13.9 | 3.8 | -2.4 | 1.2 | 0.2 | 5.7 | 5.7 | |
| DFM | (Horsholm) | | | -0.1 | -0.1 | 0.9 | 1.4 | 0.6 | -0.5 | -0.7 | 0.2 | 3.0 | 3.0 | |
| DFNT | (Tunis) | | | -2082.2 | -2164.3 | -2266.3 | -2355.5 | -2440.2 | -2518.9 | -2608.6 | 0.7 | 2.7 | 2.8 | |
| DLR | (Oberpfaffenhofen) | | | -0.8 | -3.5 | -3.9 | 1.5 | -0.8 | -1.1 | -1.6 | 0.2 | 2.6 | 2.6 | |
| DMDM | (Belgrade) | | | -13.3 | -10.8 | -15.2 | -13.2 | -9.4 | -24.8 | -23.2 | 0.2 | 7.6 | 7.6 | |
| DTAG | (Frankfurt/M) | | | -18.7 | -12.9 | 2.8 | 9.2 | 27.7 | 40.2 | 42.2 | 0.2 | 2.6 | 2.6 | |
| ESA | (Noordwijk) | | | -1.6 | 0.3 | 0.3 | 1.8 | 1.8 | -1.2 | -2.9 | 0.2 | 2.7 | 2.7 | |
| HKO | (Hong Kong) | | | 1344.7 | 1362.1 | 1385.0 | 1400.0 | 1421.2 | 1432.5 | 1461.2 | 0.2 | 3.9 | 3.9 | |
| IBM | (La Paz) | | | -119.9 | -127.3 | -132.8 | -125.3 | -136.2 | -140.7 | -119.6 | 4.0 | 7.7 | 8.7 | |
| ICE | (San Jose) | | | -15.8 | -20.3 | -13.6 | -11.4 | -21.1 | -18.9 | -21.0 | 0.7 | 7.2 | 7.2 | |
| IDN | (Serpong-Tangerang) | | | 9411.5 | 9573.2 | 9721.9 | 129.6 | 270.0 | 336.6 | 483.0 | 0.2 | NC | - | |
| IFAG | (Wettzell) | | | -923.0 | -908.0 | -892.9 | -874.1 | -864.1 | -848.9 | -844.9 | 0.2 | 2.6 | 2.6 | |
| IFZG | (Zagreb) | | | 320.2 | 304.3 | 290.9 | 273.3 | 263.2 | 251.6 | 238.1 | 0.7 | 2.9 | 3.0 | |
| IMBH | (Sarajevo) | | | -1.0 | 5.4 | 6.6 | -1.3 | 0.1 | 7.4 | 9.1 | 0.2 | 3.1 | 3.1 | |
| INCP | (Lima) | | | -43.6 | -59.6 | -70.2 | -64.1 | -64.4 | -55.8 | -57.7 | 5.0 | 4.0 | 6.4 | |
| INM | (Bogota D.C.) | | | -1.2 | 11.7 | 20.6 | 11.3 | 16.7 | 6.5 | 11.8 | 3.0 | 4.0 | 5.0 | |
| INPL | (Jerusalem) | | | -148.7 | -163.9 | -159.1 | -164.8 | -178.5 | -182.9 | -188.3 | 0.2 | 7.7 | 7.7 | |
| INTI | (Buenos Aires) | | | -144.6 | -158.1 | -159.2 | -157.8 | -170.3 | -162.0 | -158.5 | 0.2 | 3.5 | 3.5 | |
| INXE | (Rio de Janeiro) | | | 8.5 | -3.0 | 9.8 | -0.3 | -4.4 | - | -3.1 | 0.7 | 3.5 | 3.6 | |
| IPQ | (Caparica) | | | -690.6 | -500.6 | -308.5 | -107.0 | 70.2 | 61.0 | 135.3 | 0.7 | 3.3 | 3.4 | |
| IT | (Torino) | | | -0.3 | -0.3 | -0.2 | 0.2 | 0.5 | 0.7 | 0.9 | 0.2 | 1.2 | 1.2 | |
| JATC | (Lintong) | | | 0.1 | 0.1 | 0.3 | 0.6 | 0.6 | 0.5 | 0.4 | 0.2 | 3.9 | 3.9 | |
| JV | (Kjeller) | | | 0.2 | 1.4 | 0.9 | 0.8 | 1.3 | 1.5 | 1.4 | 0.2 | 5.0 | 5.0 | |
| KRIS | (Daejeon) | | | -1.5 | -1.6 | -1.4 | -0.7 | 0.4 | 0.8 | 0.4 | 0.2 | 3.2 | 3.2 | |
| KZ | (Astana) | | | 4.4 | 2.9 | 0.0 | -1.8 | -2.0 | -3.1 | -4.2 | 0.7 | 4.5 | 4.6 | |
| LRTE | (Sao Carlos) | | | -2.2 | 3.1 | -0.4 | -9.6 | -3.1 | -0.6 | 1.4 | 0.2 | 3.6 | 3.6 | |
| LT | (Vilnius) | | | 1487.8 | 1489.9 | 1498.1 | 1514.0 | 1525.3 | 1530.3 | 1541.8 | 0.2 | 2.8 | 2.8 | |
| LUX | (Belvaux) | | | -8.5 | -2.3 | -1.6 | -2.7 | -3.4 | 2.4 | -7.0 | 0.5 | 2.6 | 2.6 | |
| MBM | (Podgorica) | | | 4809.0 | 4834.0 | 4865.0 | 4879.2 | 4908.1 | 4921.8 | 4933.1 | 0.2 | 3.1 | 3.1 | |
| MIKE | (Espoo) | | | 6.5 | 6.4 | 7.0 | 7.8 | 9.4 | 7.5 | 4.8 | 0.2 | 2.8 | 2.8 | |
| MSL | (Lower Hutt) | | | 19.5 | 15.8 | 15.2 | 30.5 | 37.3 | 51.1 | 71.6 | 0.7 | 3.2 | 3.3 | |
| MTC | (Makkah) | | | 224.2 | 231.1 | 255.6 | 261.0 | 274.0 | 284.3 | 289.0 | 1.0 | 76.3 | 76.3 | |
| NAO | (Mizusawa) | | | -92.9 | -88.6 | -80.7 | -71.2 | -56.1 | -45.3 | -29.8 | 2.0 | 3.9 | 4.4 | |
| NICT | (Tokyo) | | | 0.3 | 0.8 | 1.5 | 1.6 | 1.3 | 1.2 | 1.3 | 0.2 | 2.2 | 2.2 | |
| NIM | (Beijing) | | | -0.1 | -0.4 | -0.7 | -0.6 | -0.7 | -0.9 | -1.2 | 0.2 | 2.2 | 2.2 | |
| NIMB | (Bucharest) | | | 2013.8 | 2010.9 | 2037.8 | 2101.4 | 2140.9 | 2188.3 | 2236.5 | 3.0 | 7.0 | 7.6 | |
| NIMT | (Pathumthani) | | | -4.7 | -10.1 | -4.2 | -4.9 | -4.4 | 5.3 | 2.3 | 0.7 | 2.5 | 2.6 | |
| NIS | (Cairo) | | | 5.4 | 13.4 | 26.6 | 43.8 | 57.2 | 73.0 | 73.8 | 0.7 | 7.3 | 7.3 | |
| NIST | (Boulder) | | | -0.3 | -0.3 | -0.6 | -0.1 | -0.1 | 0.1 | 0.0 | 0.2 | 2.1 | 2.1 | |
| NMIJ | (Tsukuba) | | | 9.0 | 9.9 | 9.7 | 8.5 | 7.5 | 6.6 | 6.2 | 0.2 | 3.1 | 3.1 | |
| NMLS | (Sepang) | | | -272.3 | -279.4 | -286.8 | -308.5 | -322.0 | -336.8 | -346.8 | 0.2 | 2.9 | 2.9 | |
| NPL | (Teddington) | | | -2.9 | -3.8 | 0.0 | 0.8 | -0.1 | -2.7 | -3.4 | 0.2 | 1.2 | 1.2 | |
| NPLI | (New-Delhi) | | | -1.3 | -1.0 | -0.8 | -0.4 | 0.1 | 0.6 | 0.8 | 0.2 | 2.7 | 2.7 | |
| NRC | (Ottawa) | | | 1.8 | 2.5 | 2.5 | 2.0 | 1.3 | 0.6 | 0.2 | 0.2 | 2.8 | 2.8 | |
| NRL | (Washington DC) | | | - | - | - | - | - | - | - | ||||
| NSAI | (Dublin) | | | - | - | - | - | - | - | - | ||||
| NTSC | (Lintong) | | | 0.2 | 0.4 | 0.4 | 0.6 | 0.8 | 0.9 | 0.9 | 0.2 | 3.8 | 3.8 | |
| ONBA | (Buenos Aires) | | | 3873.2 | 3901.0 | 3925.6 | 3960.4 | 3985.8 | 4007.9 | 4026.7 | 2.0 | 3.5 | 4.0 | |
| ONRJ | (Rio de Janeiro) | | | -1.6 | 2.0 | -2.7 | -3.4 | -1.4 | -0.9 | 2.1 | 0.2 | 3.5 | 3.5 | |
| OP | (Paris) | | | 0.8 | 1.1 | 0.5 | 0.4 | 0.6 | 0.4 | 0.7 | 0.2 | 1.2 | 1.2 | |
| ORB | (Bruxelles) | | | 1.2 | 0.7 | 0.6 | 0.5 | 0.1 | -0.1 | -0.5 | 0.2 | 2.9 | 2.9 | |
| PL | (Warszawa) | | | -5.3 | -5.2 | -5.1 | -5.2 | -5.1 | -4.8 | -4.8 | 0.2 | 2.8 | 2.8 | |
| PTB | (Braunschweig) | | | -0.1 | -0.1 | 0.0 | -0.0 | 0.2 | 0.2 | 0.4 | 0.2 | 1.2 | 1.2 | |
| ROA | (San Fernando) | | | -0.8 | -0.5 | 0.8 | 0.7 | 1.6 | -0.4 | -1.2 | 0.2 | 1.2 | 1.2 | |
| SASO | (Riyadh) | | | 820.3 | 816.2 | 809.4 | 813.0 | 809.1 | 803.6 | 796.7 | 0.5 | 4.0 | 4.0 | |
| SCL | (Hong Kong) | | | -4.8 | 0.5 | 7.4 | 2.6 | -3.8 | -2.5 | 3.1 | 0.2 | 3.9 | 3.9 | |
| SG | (Singapore) | | | -12.0 | -0.2 | 4.6 | 7.0 | 7.2 | 6.5 | 6.7 | 0.2 | 2.8 | 2.8 | |
| SIQ | (Ljubljana) | | | 1521.1 | 1518.3 | 1505.5 | 1500.7 | 1499.4 | 1493.2 | 1497.6 | 0.2 | 4.3 | 4.3 | |
| SMD | (Bruxelles) | | | 0.2 | -0.5 | -1.0 | -1.9 | -2.9 | -3.4 | -3.8 | 0.2 | 4.6 | 4.6 | |
| SMU | (Bratislava) | | | -8.8 | -10.0 | 2.6 | 38.5 | 3.6 | -103.2 | -107.2 | 1.5 | 6.2 | 6.4 | |
| SP | (Boras) | | | 2.1 | 1.8 | 1.6 | 1.3 | 1.2 | 1.4 | 1.5 | 0.2 | 1.2 | 1.2 | |
| SU | (Moskva) | | | 1.0 | 1.1 | 0.9 | 0.9 | 0.8 | 0.8 | 0.9 | 0.2 | 3.0 | 3.0 | |
| TL | (Chung-Li) | | | -1.2 | -1.3 | -0.8 | 0.3 | 0.1 | -1.0 | -1.7 | 0.2 | 2.2 | 2.2 | |
| TP | (Praha) | | | 14.5 | 17.9 | 25.0 | 32.4 | 23.4 | 24.8 | 18.2 | 0.2 | 3.3 | 3.3 | |
| UA | (Kharkiv) | | | -10.3 | - | - | 3.3 | -1.8 | - | - | 3.0 | 7.6 | 8.2 | |
| UAE | (Abu Dhabi) | | | -16.0 | -20.5 | -20.8 | -19.7 | -20.8 | -17.2 | -15.0 | 0.2 | 7.0 | 7.0 | |
| UME | (Gebze-Kocaeli) | | | -11.8 | -17.5 | -16.6 | -16.3 | -16.7 | -18.5 | -18.8 | 0.2 | 24.1 | 24.1 | |
| USNO | (Washington DC) | | | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 1.0 | 0.9 | 0.2 | 2.5 | 2.5 | |
| UZ | (Tashkent) | | | 28.3 | 19.3 | 10.0 | 11.7 | 4.4 | 1.3 | -8.8 | 0.2 | 2.5 | 2.5 | |
| VMI | (Ha Noi) | | | 89.4 | 34.9 | 22.6 | -9.9 | -10.5 | -2.9 | -13.0 | 0.7 | 3.1 | 3.2 | |
| VSL | (Delft) | | | 0.6 | 1.7 | 2.3 | -0.3 | -6.3 | -9.4 | -11.4 | 0.5 | 1.3 | 1.4 | |
| ZA | (Pretoria) | | | 14.9 | 12.4 | 12.8 | 13.9 | 15.2 | 10.4 | 6.4 | 14.9 | 3.8 | 15.4 | |
2 - Difference between the normalized frequencies of EAL and TAI.
| Interval of validity | f(EAL)-f(TAI) | |||
| Steering correction | 61189 - 61219 | 6.499x10-13 | (2026 MAY 29 - 2026 JUN 28) | |
| New correction | 61219 - 61249 | 6.500x10-13 | (2026 JUN 28 - 2026 JUL 28) | |
| New correction foreseen | 61249 - 61279 | 6.500x10-13 | (2026 JUL 28 - 2026 AUG 27) | |
3 - Duration of the TAI scale interval d.
| Standard | Period of | d | uA | uB | uA/Lab | uB/Lab | ul/Tai | u | uSrep | Ref(uS) | Ref(uB) | uB(Ref) | Uptime | LastRep | Nrep3y | Steer | Note |
| Estimation | % | ||||||||||||||||
| PTB-CS1 | 61189 61219 | -11.77 | 8.00 | 8.00 | 0.00 | 0.00 | 0.13 | 11.31 | PFS/NA | T148 | 8.00 | 100.0 | T461 | 36 | Y | (1) | |
| PTB-CS2 | 61189 61219 | -3.43 | 5.00 | 12.00 | 0.00 | 0.00 | 0.13 | 13.00 | PFS/NA | T148 | 12.00 | 100.0 | T461 | 36 | Y | (1) | |
| MIKES-Sr+1 | 61189 61219 | -0.28 | 0.00 | 0.00 | 0.05 | 0.02 | 0.13 | 0.14 | 0.17 | [1] | T457 | 0.00 | 96.2 | T461 | 15 | Y | (2) |
| NICT-Sr1 | 61199 61219 | 0.18 | 0.04 | 0.08 | 0.21 | 0.06 | 0.19 | 0.30 | 0.17 | [1] | T371 | 0.06 | 2.3 | T461 | 4 | Y | (3) |
| NIM5 | 61189 61219 | -0.47 | 0.44 | 0.68 | 0.10 | 0.01 | 0.13 | 0.83 | PFS/NA | T340 | 1.40 | 92.2 | T461 | 26 | Y | (4) | |
| NIM6 | 61204 61219 | 0.01 | 0.19 | 0.21 | 0.10 | 0.01 | 0.24 | 0.39 | PFS/NA | T454 | 0.22 | 99.6 | T461 | 20 | Y | (4) | |
| NIST-F4 | 61189 61219 | -0.85 | 0.24 | 0.20 | 0.15 | 0.01 | 0.13 | 0.37 | PFS/NA | T452 | 0.22 | 87.8 | T461 | 16 | Y | (5) | |
| NRC-FCs2 | 61189 61219 | -0.56 | 0.15 | 0.14 | 0.16 | 0.00 | 0.13 | 0.29 | PFS/NA | T448 | 0.11 | 67.7 | T461 | 37 | Y | (6) | |
| NTSC-CsF2 | 61189 61219 | -0.21 | 0.67 | 0.35 | 0.10 | 0.00 | 0.13 | 0.77 | PFS/NA | T435 | 0.43 | 91.6 | T461 | 44 | Y | (7) | |
| NTSC-Sr2 | 61189 61219 | -0.27 | 0.00 | 0.05 | 0.39 | 0.02 | 0.13 | 0.41 | 0.17 | [1] | T457 | 0.00 | 14.0 | T461 | 12 | Y | (7) |
| LNEOP-FO2 | 61189 61219 | -0.83 | 0.30 | 0.21 | 0.16 | 0.00 | 0.13 | 0.42 | PFS/NA | T301 | 0.23 | 55.9 | T461 | 32 | Y | (8) | |
| LNEOP-FORb | 61189 61219 | -0.08 | 0.30 | 0.24 | 0.09 | 0.00 | 0.13 | 0.42 | 0.34 | [1] | T328 | 0.34 | 72.0 | T461 | 32 | Y | (8) |
| PTB-CSF2 | 61189 61219 | -0.17 | 0.11 | 0.17 | 0.01 | 0.00 | 0.13 | 0.24 | PFS/NA | T370 | 0.17 | 98.0 | T461 | 39 | Y | (9) | |
| PTB-Yb1E3 | 61189 61219 | -0.19 | 0.00 | 0.00 | 0.09 | 0.01 | 0.13 | 0.16 | 0.17 | [1] | T461 | 0.00 | 59.3 | T461 | 44 | Y | (9) |
| SU-CsFO2 | 61189 61219 | -0.19 | 0.29 | 0.22 | 0.16 | 0.00 | 0.13 | 0.42 | PFS/NA | T315 | 0.50 | 58.0 | T461 | 36 | Y | (10) |
| Period of estimation | d | u | |
| 61189-61219 | -0.30x10-15 | 0.09x10-15 | (2026 MAY 29 - 2026 JUN 28) |
4 - Relations of UTC with predictions of UTC broadcast by GNSS.
| DATE 0h UTC | MJD | UTC-bUTC_GNSS /ns | |||
| GPS | GLO | GAL | BDS | ||
| 2026-05-29 | 61189 | 0.3 | -30.8 | 0.4 | 0.9 |
| 2026-05-30 | 61190 | 0.3 | -33.8 | 0.5 | 0.7 |
| 2026-05-31 | 61191 | 2.4 | -40.5 | 0.3 | 0.7 |
| 2026-06-01 | 61192 | 2.0 | -48.3 | -0.7 | 0.8 |
| 2026-06-02 | 61193 | 0.4 | -51.8 | -1.0 | 0.2 |
| 2026-06-03 | 61194 | 0.5 | -50.6 | -0.8 | 0.3 |
| 2026-06-04 | 61195 | -0.6 | -50.7 | -0.7 | 0.4 |
| 2026-06-05 | 61196 | 0.3 | -54.0 | -1.3 | 0.0 |
| 2026-06-06 | 61197 | 1.8 | -53.4 | -0.5 | 0.5 |
| 2026-06-07 | 61198 | -0.2 | -56.9 | -0.3 | 0.2 |
| 2026-06-08 | 61199 | 0.5 | -55.5 | 0.9 | -0.1 |
| 2026-06-09 | 61200 | 0.9 | -52.5 | 0.0 | 0.2 |
| 2026-06-10 | 61201 | 1.7 | -50.3 | 0.2 | 0.2 |
| 2026-06-11 | 61202 | 0.1 | -39.7 | 0.1 | -0.1 |
| 2026-06-12 | 61203 | 0.1 | -23.2 | 0.3 | 0.0 |
| 2026-06-13 | 61204 | 0.4 | -11.2 | 0.3 | -0.0 |
| 2026-06-14 | 61205 | 0.5 | -6.4 | -0.7 | -0.1 |
| 2026-06-15 | 61206 | 0.7 | 2.6 | -0.8 | -0.5 |
| 2026-06-16 | 61207 | 0.9 | 3.7 | 1.1 | -0.1 |
| 2026-06-17 | 61208 | 3.0 | 7.7 | 3.2 | -0.7 |
| 2026-06-18 | 61209 | 4.9 | 2.5 | 2.8 | -0.4 |
| 2026-06-19 | 61210 | 0.8 | 3.8 | 3.9 | -0.2 |
| 2026-06-20 | 61211 | 0.2 | -10.8 | 5.0 | -0.2 |
| 2026-06-21 | 61212 | 1.4 | -15.8 | 4.4 | -0.4 |
| 2026-06-22 | 61213 | 0.6 | -17.0 | 4.6 | -0.2 |
| 2026-06-23 | 61214 | 0.2 | -15.6 | 3.8 | -0.3 |
| 2026-06-24 | 61215 | 2.0 | -19.7 | 3.7 | -0.4 |
| 2026-06-25 | 61216 | -1.8 | -22.5 | 3.6 | -0.3 |
| 2026-06-26 | 61217 | 2.2 | -24.4 | 3.1 | -0.0 |
| 2026-06-27 | 61218 | 4.4 | -21.0 | 1.7 | 0.2 |
| 2026-06-28 | 61219 | -0.9 | -20.2 | 1.0 | -0.0 |
5 - Time links used for the computation of TAI, calibrations information and corresponding uncertainties.
| Link | Type | Equipment | Cal_ID1 | / | Cal_ID2 | uStb/ns | uCal/ns | uAg/ns | Al/ns | YYMM |
| AGGO/PTB | GPS P3 | TC_2 /PT13 | 1014-2021 | / | 1001-2025 | 0.7 | 3.2 | 2.0 | ||
| AOS /PTB | GPSPPP | AO_5 /PT13 | 1012-2024 | / | 1001-2025 | 0.3 | 2.8 | 1.1 | ||
| APL /PTB | GPSPPP | AP04 /PT13 | NC | / | 1001-2025 | 0.3 | NC | |||
| AUS /PTB | GPSPPP | AU06 /PT13 | 1015-2021 | / | 1001-2025 | 0.3 | 3.2 | 2.0 | ||
| AZ /PTB | GPSPPP | AZ01 /PT13 | 2002-2024 | / | 1001-2025 | 0.3 | 7.1 | 1.0 | ||
| BEV /PTB | GPSPPP | BE1_ /PT13 | 1016-2021 | / | 1001-2025 | 0.3 | 3.2 | 2.0 | ||
| BFKH/PTB | GPS MC | MK01 /PT13 | NA_Al | / | 1001-2025 | 1.5 | 7.3 | 1.8 | -193.2 | 2406 |
| BIM /PTB | GPSPPP | BM51 /PT13 | NC | / | 1001-2025 | 0.3 | NC | |||
| BIRM/PTB | GPSPPP | BI41 /PT13 | 1016-2018 | / | 1001-2025 | 0.3 | 3.7 | 2.7 | ||
| BSJ /PTB | GPS P3 | JM__ /PT13 | 2001-2026 | / | 1001-2025 | 1.5 | 7.4 | 2.3 | ||
| BY /PTB | GPS MC | BY46 /PT13 | 1020-2021 | / | 1001-2025 | 1.5 | 3.4 | 2.0 | ||
| CAO /PTB | GPS P3 | CA__ /PT13 | NC | / | 1001-2025 | 0.7 | NC | |||
| CNES/PTB | GPSPPP | CS24 /PT13 | 1011-2025 | / | 1001-2025 | 0.3 | 2.6 | 0.6 | ||
| CNM /PTB | GPS MC | CN00 /PT13 | NA_Al | / | 1001-2025 | 3.0 | 4.6 | 3.2 | -27.3 | 0804 |
| CNMP/PTB | GPSPPP | MP1_ /PT13 | 1011-2017 | / | 1001-2025 | 0.3 | 5.7 | 3.2 | ||
| DFM /PTB | GPSPPP | DK01 /PT13 | 1017-2022 | / | 1001-2025 | 0.3 | 3.0 | 1.7 | ||
| DFNT/PTB | GPS P3 | DN__ /PT13 | 1015-2024 | / | 1001-2025 | 0.7 | 2.7 | 1.1 | ||
| DLR /PTB | GPSPPP | DL11 /PT13 | 1016-2024 | / | 1001-2025 | 0.3 | 2.6 | 0.8 | ||
| DMDM/PTB | GPSPPP | ZM01 /PT13 | 2002-2018 | / | 1001-2025 | 0.3 | 7.6 | 2.8 | ||
| DTAG/PTB | GPSPPP | DT05 /PT13 | 1016-2024 | / | 1001-2025 | 0.3 | 2.6 | 0.8 | ||
| ESA /PTB | GPSPPP | ES07 /PT13 | 1017-2024 | / | 1001-2025 | 0.3 | 2.7 | 0.9 | ||
| HKO /PTB | GPSPPP | HKO1 /PT13 | 1011-2018 | / | 1001-2025 | 0.3 | 3.9 | 3.0 | ||
| IBM /PTB | GPS MC | BO__ /PT13 | 2005-2016 | / | 1001-2025 | 4.0 | 7.7 | 3.3 | ||
| ICE /PTB | GPS P3 | CE__ /PT13 | 2001-2023 | / | 1001-2025 | 0.7 | 7.2 | 1.5 | ||
| IDN /PTB | GPSPPP | KI03 /PT13 | NC | / | 1001-2025 | 0.3 | NC | |||
| IFAG/PTB | GPSPPP | IF20 /PT13 | 1016-2024 | / | 1001-2025 | 0.3 | 2.6 | 0.8 | ||
| IFZG/PTB | GPS P3 | HR01 /PT13 | 1016-2023 | / | 1001-2025 | 0.7 | 2.9 | 1.4 | ||
| IMBH/PTB | GPSPPP | BH02 /PT13 | 1013-2022 | / | 1001-2025 | 0.3 | 3.1 | 1.8 | ||
| INCP/PTB | GPS MC | CP__ /PT13 | 1012-2023 | / | 1001-2025 | 5.0 | 4.0 | 0.9 | ||
| INM /PTB | GPS MC | IC__ /PT13 | 1012-2023 | / | 1001-2025 | 3.0 | 4.0 | 0.6 | ||
| INPL/PTB | GPSPPP | IL06 /PT13 | 2003-2016 | / | 1001-2025 | 0.3 | 7.7 | 3.3 | ||
| INTI/PTB | GPSPPP | INTI /PT13 | 1014-2021 | / | 1001-2025 | 0.3 | 3.5 | 1.9 | ||
| INXE/PTB | GPS P3 | NXRA /PT13 | 1012-2020 | / | 1001-2025 | 0.7 | 3.5 | 2.5 | ||
| IPQ /PTB | GPS P3 | IP05 /PT13 | 1017-2021 | / | 1001-2025 | 0.7 | 3.3 | 2.1 | ||
| JATC/PTB | GPSPPP | JA02 /PT13 | 1201-2018 | / | 1001-2025 | 0.3 | 3.9 | 2.9 | ||
| JV /PTB | GPSPPP | JV02 /PT13 | 1101-2017 | / | 1001-2025 | 0.3 | 5.0 | 3.0 | ||
| KRIS/PTB | GPSPPP | KRP1 /PT13 | 1015-2021 | / | 1001-2025 | 0.3 | 3.2 | 2.0 | ||
| KZ /PTB | GPS P3 | KZ04 /PT13 | 1202-2021 | / | 1001-2025 | 0.7 | 4.5 | 2.0 | ||
| LRTE/PTB | GPSPPP | LRR2 /PT13 | 1201-2025 | / | 1001-2025 | 0.3 | 3.6 | 1.0 | ||
| LT /PTB | GPSPPP | LT03 /PT13 | 1020-2023 | / | 1001-2025 | 0.3 | 2.8 | 1.2 | ||
| LUX /PTB | GPSPPP | LU01 /PT13 | 1011-2025 | / | 1001-2025 | 0.5 | 2.6 | 0.6 | ||
| MBM /PTB | GPSPPP | ME01 /PT13 | 1021-2021 | / | 1001-2025 | 0.3 | 3.1 | 1.9 | ||
| MIKE/PTB | GPSPPP | MI04 /PT13 | 1019-2023 | / | 1001-2025 | 0.3 | 2.8 | 1.3 | ||
| MSL /PTB | GPS P3 | MS01 /PT13 | 1015-2021 | / | 1001-2025 | 0.7 | 3.2 | 2.0 | ||
| MTC /PTB | GPS P3 | MC02 /PT13 | NA_Al | / | 1001-2025 | 1.0 | 76.3 | 76.0 | 32.6 | 1411 |
| NAO /PTB | GPS MC | NAT2 /PT13 | 1012-2022 | / | 1001-2025 | 2.0 | 3.9 | 2.0 | ||
| NICT/PTB | GPSPPP | NC5S /PT13 | 1001-2022 | / | 1001-2025 | 0.3 | 2.2 | 1.6 | ||
| NIM /PTB | GPSPPP | IM02 /PT13 | 1001-2022 | / | 1001-2025 | 0.3 | 2.2 | 1.7 | ||
| NIMB/PTB | GPS P3 | MB02 /PT13 | 2002-2026 | / | 1001-2025 | 3.0 | 7.0 | 0.2 | ||
| NIMT/PTB | GPS P3 | MTTN /PT13 | 1016-2025 | / | 1001-2025 | 0.7 | 2.5 | 0.2 | ||
| NIS /PTB | GPS P3 | IS_5 /PT13 | 2001-2021 | / | 1001-2025 | 0.7 | 7.3 | 2.1 | ||
| NMIJ/PTB | GPSPPP | NM0F /PT13 | 1015-2022 | / | 1001-2025 | 0.3 | 3.1 | 1.8 | ||
| NMLS/PTB | GPSPPP | LSM2 /PT13 | 1011-2023 | / | 1001-2025 | 0.3 | 2.9 | 1.5 | ||
| NPLI/PTB | GPSPPP | LIAA /PT13 | 1011-2024 | / | 1001-2025 | 0.3 | 2.7 | 1.0 | ||
| NRC /PTB | GPSPPP | NRCC /PT13 | 1015-2023 | / | 1001-2025 | 0.3 | 2.8 | 1.4 | ||
| NRL /PTB | NL | |||||||||
| NSAI/PTB | NL | |||||||||
| NTSC/PTB | GPSPPP | NT03 /PT13 | 1016-2018 | / | 1001-2025 | 0.3 | 3.8 | 2.8 | ||
| ONBA/PTB | GPS MC | ON__ /PT13 | 1014-2021 | / | 1001-2025 | 2.0 | 3.5 | 2.0 | ||
| ONRJ/PTB | GPSPPP | RJ04 /PT13 | 1012-2020 | / | 1001-2025 | 0.3 | 3.5 | 2.4 | ||
| ORB /PTB | GPSPPP | OR5Z /PT13 | 1017-2023 | / | 1001-2025 | 0.3 | 2.9 | 1.4 | ||
| PL /PTB | GPSPPP | PL_5 /PT13 | 1012-2024 | / | 1001-2025 | 0.3 | 2.8 | 1.1 | ||
| SASO/PTB | GPSPPP | SAS0 /PT13 | 1020-2017 | / | 1001-2025 | 0.5 | 4.0 | 3.1 | ||
| SCL /PTB | GPSPPP | SC05 /PT13 | 1011-2018 | / | 1001-2025 | 0.3 | 3.9 | 3.0 | ||
| SG /PTB | GPSPPP | SG01 /PT13 | 1018-2023 | / | 1001-2025 | 0.3 | 2.8 | 1.3 | ||
| SIQ /PTB | GPSPPP | SI01 /PT13 | 1013-2019 | / | 1001-2025 | 0.3 | 4.3 | 2.5 | ||
| SMD /PTB | GPSPPP | SD31 /PT13 | 1201-2020 | / | 1001-2025 | 0.3 | 4.6 | 2.3 | ||
| SMU /PTB | GPS MC | SM00 /PT13 | 1202-2024 | / | 1001-2025 | 1.5 | 6.2 | 1.0 | ||
| TL /PTB | GPSPPP | TLT5 /PT13 | 1001-2022 | / | 1001-2025 | 0.3 | 2.2 | 1.6 | ||
| TP /PTB | GPSPPP | TP02 /PT13 | 1013-2021 | / | 1001-2025 | 0.3 | 3.3 | 2.1 | ||
| UA /PTB | GPS MC | UA05 /PT13 | 2003-2018 | / | 1001-2025 | 3.0 | 7.6 | 2.9 | ||
| UAE /PTB | GPSPPP | AE02 /PT13 | 2001-2025 | / | 1001-2025 | 0.3 | 7.0 | 0.2 | ||
| UME /PTB | GPSPPP | UM01 /PT13 | 1011-2016 | / | 1001-2025 | 0.3 | 24.1 | 24.0 | ||
| UZ /PTB | GPSPPP | UZ__ /PT13 | 1013-2025 | / | 1001-2025 | 0.3 | 2.5 | 0.3 | ||
| VMI /PTB | GPS P3 | VM02 /PT13 | 1011-2022 | / | 1001-2025 | 0.7 | 3.1 | 1.8 | ||
| ZA /PTB | GPS P3 | ZA02 /PT13 | 1018-2018 | / | 1001-2025 | 15.0 | 3.8 | 2.8 | ||
| Link | Type | Equipment | Cal_ID | uStb/ns | uCal/ns | uAg/ns | Al/ns | YYMM | ||
| CH /PTB | TWGPPP | CH01 /PTB05 | 0623-2024 | 0.3 | 1.2 | 0.7 | ||||
| IT /PTB | TWGPPP | IT01 /PTB05 | 0622-2024 | 0.3 | 1.2 | 0.7 | ||||
| NIST/PTB | TWGPPP | NIST01/PTB05 | 0593-2024 | 0.3 | 2.1 | 0.5 | ||||
| NPL /PTB | TWGPPP | NPL02 /PTB05 | 0620-2024 | 0.3 | 1.2 | 0.7 | ||||
| OP /PTB | TWSDRR | OP51 /PTB55 | 0624-2024 | 0.3 | 1.2 | 0.7 | ||||
| ROA /PTB | TWGPPP | ROA01 /PTB05 | 0618-2024 | 0.3 | 1.2 | 0.7 | ||||
| SP /PTB | TWGPPP | SP01 /PTB05 | 0621-2024 | 0.3 | 1.2 | 0.7 | ||||
| SU /PTB | TWSDRR | SU51 /PTB53 | 0626-2026 | 0.3 | 3.0 | 0.0 | ||||
| USNO/PTB | TWGPPP | USNO01/PTB05 | 0534-2021 | 0.3 | 2.5 | 2.2 | ||||
| VSL /PTB | TWSTFT | VSL01 /PTB05 | 0616-2024 | 0.5 | 1.3 | 0.7 |