![]() | CIRCULAR T 413 | ISSN 1143-1393
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| 2022 JUNE 13, 13h 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 2022 0h UTC | APR 30 | MAY 5 | MAY 10 | MAY 15 | MAY 20 | MAY 25 | MAY 30 | Uncertainty/ns | Notes | |||||
| MJD | 59699 | 59704 | 59709 | 59714 | 59719 | 59724 | 59729 | uA | uB | u | ||||
| Laboratory k | [UTC-UTC(k)]/ns | |||||||||||||
| AGGO | (La Plata) | | | 612.7 | 614.3 | 624.5 | 659.1 | 662.9 | 672.1 | 694.7 | 1.0 | 20.0 | 20.0 | |
| AOS | (Borowiec) | | | 0.4 | 0.3 | -0.5 | -0.7 | -1.2 | -1.3 | -1.2 | 0.3 | 3.2 | 3.2 | |
| APL | (Laurel) | | | -2.5 | -2.4 | 0.2 | -0.8 | -0.9 | -1.6 | - | 0.7 | 20.0 | 20.0 | |
| AUS | (Sydney) | | | -514.9 | -520.7 | -513.4 | -504.3 | -501.9 | -499.7 | -509.4 | 0.3 | 11.2 | 11.2 | |
| BEV | (Wien) | | | -47.6 | -44.9 | -47.0 | -43.3 | -36.8 | -36.0 | -25.7 | 0.3 | 2.8 | 2.8 | |
| BFKH | (Budapest) | | | 4768.8 | 4802.6 | 4834.8 | 4864.7 | 4901.3 | 4929.8 | 4968.0 | 1.5 | 20.0 | 20.1 | |
| BIM | (Sofiya) | | | 16119.3 | 16135.6 | 16132.9 | 16154.5 | 16188.2 | 16206.6 | 16230.8 | 0.3 | 7.3 | 7.3 | |
| BIRM | (Beijing) | | | 9.5 | 12.7 | 11.5 | 12.5 | 8.6 | 14.8 | 22.8 | 0.3 | 3.1 | 3.1 | |
| BOM | (Skopje) | | | - | - | - | - | - | - | - | ||||
| BY | (Minsk) | | | -0.1 | -0.2 | -0.5 | -1.1 | -1.3 | -0.7 | -0.9 | 1.5 | 3.0 | 3.3 | |
| CAO | (Cagliari) | | | -35526.8 | -35648.6 | -35758.7 | -35884.0 | -36004.6 | -36122.9 | -36238.8 | 1.5 | 20.0 | 20.1 | |
| CH | (Bern-Wabern) | | | 1.7 | 0.8 | 0.9 | 0.2 | -1.5 | -2.8 | -2.7 | 0.3 | 1.7 | 1.8 | |
| CNES | (Toulouse) | | | 2.1 | -0.5 | -2.7 | -3.0 | -1.3 | 1.3 | 4.2 | 0.3 | 2.8 | 2.8 | |
| CNM | (Queretaro) | | | 6.6 | 9.4 | 12.9 | 6.1 | 3.4 | 5.0 | 4.8 | 1.5 | 4.0 | 4.3 | |
| CNMP | (Panama) | | | 12.0 | 19.9 | 12.7 | -2.0 | 7.0 | 13.0 | 16.7 | 0.7 | 5.3 | 5.3 | |
| DFNT | (Tunis) | | | 2375.0 | 2469.9 | 2557.9 | 2648.8 | 2733.4 | 2844.4 | 2957.2 | 0.7 | 20.0 | 20.0 | |
| DLR | (Oberpfaffenhofen) | | | -7.6 | -9.2 | -8.2 | -6.4 | -4.8 | -2.7 | -3.8 | 0.7 | 2.8 | 2.9 | |
| DMDM | (Belgrade) | | | - | - | - | - | - | - | - | ||||
| DTAG | (Frankfurt/M) | | | -15.0 | -11.4 | -3.5 | -4.7 | 2.9 | 14.9 | 20.6 | 0.3 | 3.1 | 3.1 | |
| EIM | (Thessaloniki) | | | 7.4 | 9.5 | 19.1 | 10.8 | 11.4 | 9.3 | 9.1 | 4.0 | 11.2 | 11.9 | |
| ESA | (Noordwijk) | | | -0.2 | -0.3 | -0.9 | -1.3 | -1.3 | 0.0 | 0.7 | 0.3 | 2.8 | 2.8 | |
| HKO | (Hong Kong) | | | - | 145.2 | 152.5 | 170.2 | 175.9 | 188.8 | 199.8 | 0.7 | 3.3 | 3.3 | |
| ICE | (San Jose) | | | 123.7 | 119.4 | 113.0 | 118.4 | 115.9 | 94.9 | 83.4 | 2.5 | 7.3 | 7.7 | |
| IDN | (Serpong-Tangerang) | | | 1768.1 | 1784.7 | 1799.3 | 1814.6 | 1814.6 | 1846.3 | 1890.2 | 0.3 | 3.1 | 3.1 | |
| IFAG | (Wettzell) | | | -830.4 | -842.6 | -849.2 | -840.1 | -838.9 | -839.4 | -844.3 | 0.3 | 2.8 | 2.8 | |
| IGNA | (Buenos Aires) | | | - | -137.8 | -161.1 | -39.7 | -76.9 | -91.6 | -113.8 | 0.3 | 20.0 | 20.0 | (1) |
| IMBH | (Sarajevo) | | | 0.1 | -1.1 | -3.2 | 0.9 | -1.8 | -1.9 | -1.2 | 0.3 | 3.1 | 3.1 | |
| INCP | (Lima) | | | 346.7 | 563.4 | 806.6 | 1038.0 | 1289.3 | 1418.7 | 1272.8 | 5.0 | 20.0 | 20.6 | |
| INM | (Bogota D.C.) | | | 411.7 | 395.8 | 363.6 | 335.1 | 290.7 | 249.0 | 210.1 | 1.5 | 20.0 | 20.1 | |
| INPL | (Jerusalem) | | | 23.8 | 22.9 | 29.7 | 30.9 | 30.6 | 38.6 | 47.4 | 0.3 | 7.5 | 7.5 | |
| INTI | (Buenos Aires) | | | 204.0 | 216.7 | 221.4 | 223.3 | 223.3 | 224.7 | 219.3 | 0.3 | 20.0 | 20.0 | |
| INXE | (Rio de Janeiro) | | | -18.1 | -16.3 | -6.7 | 5.0 | 3.3 | 6.5 | 9.8 | 0.3 | 2.9 | 2.9 | |
| IPQ | (Caparica) | | | 412.5 | 422.6 | 430.6 | 435.7 | 447.0 | 454.9 | 470.4 | 0.4 | 2.8 | 2.8 | |
| IT | (Torino) | | | -0.4 | 0.5 | 0.8 | 1.5 | 1.6 | 1.5 | 0.9 | 0.3 | 1.9 | 1.9 | |
| JATC | (Lintong) | | | 1.0 | 1.2 | 0.9 | 0.4 | 0.5 | 0.4 | 0.6 | 0.3 | 3.2 | 3.2 | |
| JV | (Kjeller) | | | -49.6 | -53.8 | -49.3 | -44.7 | -32.6 | -16.4 | -28.3 | 0.3 | 4.5 | 4.5 | |
| KRIS | (Daejeon) | | | 0.8 | 0.8 | 0.6 | 0.9 | 0.8 | 1.2 | 2.4 | 0.3 | 3.4 | 3.4 | |
| KZ | (Astana) | | | 3.0 | 2.3 | 1.9 | 1.6 | 2.2 | 2.7 | 1.9 | 0.7 | 4.1 | 4.2 | |
| LRTE | (Sao Carlos) | | | 11.1 | 1.7 | -10.3 | 3.4 | 7.6 | 1.7 | 13.7 | 0.3 | 20.0 | 20.0 | |
| LT | (Vilnius) | | | 623.2 | 609.9 | 602.8 | 608.1 | 604.1 | 610.7 | 601.3 | 0.3 | 3.2 | 3.2 | |
| LUX | (Belvaux) | | | -9.1 | -8.2 | -2.7 | -0.5 | -1.2 | -5.1 | -9.9 | 0.3 | 2.8 | 2.8 | |
| MASM | (Bayanzurkh) | | | -327.6 | -422.2 | -523.8 | -624.4 | -725.1 | -834.4 | -881.2 | 0.3 | 3.2 | 3.2 | |
| MBM | (Podgorica) | | | 453.8 | 462.0 | 456.2 | 455.9 | 457.1 | 474.5 | 483.6 | 0.3 | 20.0 | 20.0 | |
| MIKE | (Espoo) | | | 6.9 | 7.2 | 7.2 | 7.3 | 6.6 | 6.2 | 5.7 | 0.3 | 2.9 | 2.9 | |
| MSL | (Lower Hutt) | | | 32.8 | 39.3 | 180.1 | 175.2 | 159.4 | 158.2 | 164.3 | 0.7 | 12.2 | 12.3 | (2) |
| NAO | (Mizusawa) | | | 236.1 | 230.3 | 217.7 | 211.2 | 199.5 | 185.6 | 169.2 | 2.0 | 20.0 | 20.1 | |
| NICT | (Tokyo) | | | -1.9 | -1.1 | -1.1 | -1.3 | -1.7 | -1.5 | -1.7 | 0.3 | 1.9 | 1.9 | |
| NIM | (Beijing) | | | -1.5 | -1.3 | -1.2 | -1.4 | -1.6 | -1.5 | -1.4 | 0.3 | 1.9 | 1.9 | |
| NIMB | (Bucharest) | | | 733.6 | 709.0 | 691.3 | 664.5 | 635.6 | 616.0 | 598.3 | 0.3 | 7.6 | 7.6 | |
| NIMT | (Pathumthani) | | | 149.6 | 132.1 | 119.2 | 114.0 | 114.6 | 134.1 | 158.3 | 0.3 | 19.8 | 19.8 | |
| NIS | (Cairo) | | | -42.3 | -35.6 | -32.1 | -27.6 | -25.6 | -18.0 | -12.0 | 0.4 | 7.1 | 7.1 | |
| NIST | (Boulder) | | | 1.4 | 0.7 | 0.0 | -0.4 | -1.0 | -1.0 | -0.2 | 0.5 | 2.6 | 2.6 | |
| NMIJ | (Tsukuba) | | | -10.0 | -8.3 | -5.8 | -3.3 | -1.3 | -0.9 | -2.0 | 0.3 | 3.6 | 3.6 | |
| NMLS | (Sepang) | | | -410.0 | -328.8 | -252.9 | -173.3 | -91.1 | -7.6 | 85.5 | 1.5 | 3.6 | 3.9 | |
| NPL | (Teddington) | | | -3.9 | -3.5 | 1.7 | 4.3 | 2.2 | 0.8 | 0.4 | 0.3 | 1.7 | 1.8 | |
| NPLI | (New-Delhi) | | | -1.9 | -1.8 | -1.9 | -2.0 | -1.8 | -2.0 | -2.0 | 0.3 | 3.2 | 3.2 | |
| NRC | (Ottawa) | | | -6.5 | -6.9 | -7.9 | -9.1 | -10.2 | -11.5 | -12.3 | 0.3 | 3.4 | 3.4 | |
| NRL | (Washington DC) | | | -2.2 | -2.5 | 1.7 | 3.2 | 2.7 | -1.9 | -2.6 | 0.3 | 20.0 | 20.0 | |
| NSAI | (Dublin) | | | -228.5 | -226.9 | -232.8 | -230.4 | -233.1 | -230.7 | - | 0.7 | 7.2 | 7.2 | |
| NTSC | (Lintong) | | | -0.4 | -0.7 | -0.8 | -1.0 | -1.0 | -0.9 | -0.9 | 0.3 | 19.2 | 19.2 | |
| ONBA | (Buenos Aires) | | | 1807.7 | 1806.7 | 1804.6 | 1823.4 | 1829.9 | 1848.4 | 1874.2 | 2.0 | 11.2 | 11.4 | |
| ONRJ | (Rio de Janeiro) | | | -6.3 | -3.2 | 1.1 | 9.9 | -2.9 | 2.9 | -2.6 | 0.3 | 2.9 | 2.9 | (3) |
| OP | (Paris) | | | 0.0 | -0.1 | 0.0 | -0.4 | -0.4 | -0.4 | -0.4 | 0.3 | 1.6 | 1.6 | |
| ORB | (Bruxelles) | | | -3.6 | -2.9 | -2.2 | -1.2 | -0.4 | 0.4 | 0.4 | 0.3 | 2.9 | 2.9 | |
| PL | (Warszawa) | | | 0.6 | 0.0 | -0.8 | -1.4 | -1.7 | -2.6 | -2.9 | 0.7 | 2.9 | 3.0 | |
| PTB | (Braunschweig) | | | 0.5 | 0.2 | 0.1 | -0.1 | -0.4 | -0.4 | -0.5 | 0.1 | 1.0 | 1.0 | |
| ROA | (San Fernando) | | | -1.9 | -1.9 | -1.8 | -1.9 | -2.6 | -2.6 | -1.6 | 0.3 | 1.7 | 1.8 | |
| SASO | (Riyadh) | | | -3073.8 | -3085.0 | -3098.1 | -3103.7 | - | - | - | 0.3 | 3.4 | 3.4 | |
| SCL | (Hong Kong) | | | -22.6 | -31.6 | -34.8 | -23.5 | -20.2 | -13.8 | -7.8 | 0.3 | 3.3 | 3.3 | |
| SG | (Singapore) | | | 3.9 | 2.4 | -3.4 | -9.9 | - | -6.9 | -8.4 | 0.3 | 3.1 | 3.1 | |
| SIQ | (Ljubljana) | | | 8604.1 | 8737.6 | 8910.0 | 9045.3 | 8310.6 | 8409.2 | 8516.5 | 0.3 | 3.8 | 3.9 | (4) |
| SL | (Colombo) | | | 75.7 | 73.1 | 74.8 | 79.3 | 76.2 | 77.1 | - | 0.3 | 3.1 | 3.1 | |
| SMD | (Bruxelles) | | | -0.7 | -1.8 | -2.8 | -3.3 | -4.0 | -4.6 | -4.5 | 0.3 | 3.5 | 3.5 | |
| SMU | (Bratislava) | | | - | -86.5 | -93.0 | -102.2 | -95.5 | -26.1 | - | 1.5 | 12.2 | 12.3 | |
| SP | (Boras) | | | 0.6 | 0.3 | 0.0 | -0.4 | -0.7 | -0.7 | -0.8 | 0.3 | 1.8 | 1.8 | |
| SU | (Moskva) | | | -0.1 | 0.0 | -0.2 | -0.2 | -0.5 | -0.4 | -0.6 | 0.3 | 2.2 | 2.2 | |
| TL | (Chung-Li) | | | 0.6 | 0.9 | 0.3 | -0.3 | -0.4 | 0.0 | 0.1 | 0.3 | 2.0 | 2.0 | |
| TP | (Praha) | | | 31.5 | 32.3 | 24.5 | 33.8 | 36.5 | 39.8 | 42.8 | 0.3 | 2.8 | 2.8 | |
| UA | (Kharkiv) | | | 6.6 | 12.0 | 18.8 | 20.6 | 10.9 | 9.3 | 11.3 | 3.0 | 7.3 | 7.9 | |
| UAE | (Abu Dhabi) | | | 28.3 | 31.0 | -18.9 | 25.1 | 24.3 | 12.4 | 13.4 | 7.5 | 4.5 | 8.7 | (5) |
| UME | (Gebze-Kocaeli) | | | -0.3 | 0.2 | -1.2 | -0.3 | -1.1 | -0.2 | -0.3 | 0.3 | 3.6 | 3.7 | |
| USNO | (Washington DC) | | | -0.6 | -0.9 | -1.2 | -0.9 | -0.8 | -0.9 | -0.6 | 0.2 | 1.6 | 1.7 | |
| VMI | (Ha Noi) | | | 0.2 | 2.8 | 2.1 | 11.2 | 8.9 | 3.6 | -2.3 | 0.5 | 7.3 | 7.3 | |
| VSL | (Delft) | | | -8.3 | 1.0 | -5.0 | -4.4 | -10.9 | -8.2 | -7.3 | 0.3 | 1.7 | 1.7 | |
| ZA | (Pretoria) | | | -5.0 | -5.7 | -7.2 | -7.1 | -3.2 | -4.2 | -4.4 | 0.7 | 3.1 | 3.2 | |
| - Notes on section 1: | ||||||||||||||
| (1) IGNA : Time step of UTC(IGNA) of -150 ns on MJD 59711.7. | ||||||||||||||
| (2) MSL : Apparent time step of UTC(MSL) of about -165 ns between MJD 59704 and 59709 | ||||||||||||||
| due to change of receiver and calibration. | ||||||||||||||
| (3) ONRJ : Apparent time step of UTC(ONRJ) of about -7 ns between MJD 59709 and 59714 due to calibration. | ||||||||||||||
| (4) SIQ : Apparent time step of UTC(SIQ) of about +900 ns on MJD 59715. | ||||||||||||||
| (5) UAE : Apparent time step of UTC(UAE) of -86 ns on MJD 59701 due to calibration. | ||||||||||||||
2 - Difference between the normalized frequencies of EAL and TAI.
| Interval of validity | f(EAL)-f(TAI) | |||
| Steering correction | 59699 - 59729 | 6.501x10-13 | (2022 APR 30 - 2022 MAY 30) | |
| New correction | 59729 - 59759 | 6.501x10-13 | (2022 MAY 30 - 2022 JUN 29) | |
| New correction foreseen | 59759 - 59789 | 6.501x10-13 | (2022 JUN 29 - 2022 JUL 29) |
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 | 59699 59729 | 3.25 | 8.00 | 8.00 | 0.00 | 0.00 | 0.07 | 11.31 | PFS/NA | T148 | 8.00 | 100.0 | T412 | 34 | Y | (1) | |
| PTB-CS2 | 59699 59729 | -13.15 | 5.00 | 12.00 | 0.00 | 0.00 | 0.07 | 13.00 | PFS/NA | T148 | 12.00 | 100.0 | T412 | 35 | Y | (1) | |
| METAS-FOC2 | 59704 59719 | -0.68 | 0.10 | 1.45 | 0.27 | 0.10 | 0.37 | 1.53 | PFS/NA | T371 | 1.99 | 81.0 | T412 | 12 | Y | (2) | |
| IT-CsF2 | 59699 59729 | 0.50 | 0.17 | 0.23 | 0.12 | 0.01 | 0.20 | 0.37 | PFS/NA | T318 | 0.19 | 87.2 | T411 | 24 | Y | (3) | |
| IT-Yb1 | 59709 59724 | 0.94 | 0.01 | 0.02 | 0.19 | 0.02 | 0.37 | 0.41 | 0.19 | [1] | T383 | 0.03 | 16.9 | T412 | 12 | Y | (4) |
| KRISS-Yb1 | 59699 59719 | 0.51 | 0.01 | 0.04 | 0.18 | 0.07 | 0.28 | 0.34 | 0.19 | [1] | T405 | 0.03 | 16.8 | T412 | 18 | Y | (5) |
| NICT-Sr1 | 59699 59729 | 0.37 | 0.02 | 0.07 | 0.19 | 0.02 | 0.20 | 0.28 | 0.19 | [1] | T371 | 0.06 | 3.8 | T412 | 12 | Y | (6) |
| NIM5 | 59699 59729 | 0.10 | 0.31 | 0.90 | 0.10 | 0.01 | 0.20 | 0.98 | PFS/NA | T340 | 1.40 | 91.5 | T412 | 19 | Y | (7) | |
| NRC-FCs2 | 59699 59729 | -0.61 | 0.14 | 0.31 | 0.17 | 0.00 | 0.20 | 0.43 | PFS/NA | T389 | 0.23 | 76.0 | T412 | 31 | Y | (8) | |
| SYRTE-FO1 | 59704 59729 | -0.18 | 0.25 | 0.34 | 0.07 | 0.00 | 0.23 | 0.49 | PFS/NA | T301 | 0.37 | 79.7 | T404 | 25 | Y | (9) | |
| SYRTE-FO2 | 59704 59729 | 0.30 | 0.20 | 0.25 | 0.08 | 0.00 | 0.23 | 0.40 | PFS/NA | T301 | 0.23 | 76.8 | T412 | 35 | Y | (9) | |
| SYRTE-FORb | 59699 59729 | 0.69 | 0.20 | 0.28 | 0.08 | 0.00 | 0.20 | 0.40 | 0.34 | [1] | T328 | 0.34 | 72.0 | T412 | 35 | Y | (9) |
| PTB-CSF2 | 59699 59729 | 0.10 | 0.11 | 0.17 | 0.01 | 0.00 | 0.07 | 0.21 | PFS/NA | T370 | 0.17 | 97.1 | T412 | 40 | Y | (10) | |
| SU-CsFO2 | 59699 59729 | 0.58 | 0.29 | 0.22 | 0.13 | 0.00 | 0.20 | 0.43 | PFS/NA | T315 | 0.50 | 83.6 | T412 | 32 | Y | (11) |
| Period of estimation | d | u | |
| 59699-59729 | 0.24x10-15 | 0.11x10-15 | (2022 APR 30 - 2022 MAY 30) |
4 - Relations of UTC and TAI with predictions of UTC(k) disseminated by GNSS.
| 2022 | 0h | UTC | MJD | C0'/ns | N0 | C1'/ns | N1' |
| APR | 30 | 59699 | -0.4 | 89 | 40.4 | 87 | |
| MAY | 1 | 59700 | -0.5 | 90 | 41.1 | 85 | |
| MAY | 2 | 59701 | 0.3 | 89 | 41.9 | 83 | |
| MAY | 3 | 59702 | -1.3 | 89 | 41.9 | 85 | |
| MAY | 4 | 59703 | -3.1 | 89 | 42.4 | 88 | |
| MAY | 5 | 59704 | -1.3 | 89 | 43.5 | 87 | |
| MAY | 6 | 59705 | -2.0 | 88 | 44.9 | 87 | |
| MAY | 7 | 59706 | -2.7 | 87 | 45.2 | 89 | |
| MAY | 8 | 59707 | 0.7 | 89 | 44.7 | 87 | |
| MAY | 9 | 59708 | -0.6 | 90 | 41.6 | 88 | |
| MAY | 10 | 59709 | -1.2 | 89 | 40.4 | 76 | |
| MAY | 11 | 59710 | -0.3 | 89 | 43.6 | 85 | |
| MAY | 12 | 59711 | 0.5 | 89 | 43.9 | 79 | |
| MAY | 13 | 59712 | -0.4 | 90 | 40.9 | 90 | |
| MAY | 14 | 59713 | -2.4 | 89 | 38.9 | 82 | |
| MAY | 15 | 59714 | -3.5 | 89 | 39.7 | 83 | |
| MAY | 16 | 59715 | -1.3 | 89 | 41.0 | 78 | |
| MAY | 17 | 59716 | -0.7 | 90 | 41.1 | 81 | |
| MAY | 18 | 59717 | 0.2 | 89 | 41.0 | 84 | |
| MAY | 19 | 59718 | 0.4 | 89 | 40.7 | 84 | |
| MAY | 20 | 59719 | -1.3 | 89 | 40.1 | 82 | |
| MAY | 21 | 59720 | -0.1 | 90 | 41.5 | 83 | |
| MAY | 22 | 59721 | -1.8 | 89 | 43.9 | 88 | |
| MAY | 23 | 59722 | -2.5 | 89 | 45.2 | 87 | |
| MAY | 24 | 59723 | -0.5 | 89 | 46.3 | 74 | |
| MAY | 25 | 59724 | -0.7 | 90 | 44.8 | 88 | |
| MAY | 26 | 59725 | -1.6 | 89 | 44.4 | 82 | |
| MAY | 27 | 59726 | -1.0 | 89 | 45.6 | 89 | |
| MAY | 28 | 59727 | -0.1 | 89 | 43.1 | 85 | |
| MAY | 29 | 59728 | 0.4 | 90 | 39.7 | 85 | |
| MAY | 30 | 59729 | 0.9 | 89 | 39.5 | 87 |
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 | NC | / | 1001-2020 | 1.0 | 20.0 | |||
| AOS /PTB | GPSPPP | AO_4 /PT13 | 1014-2018 | / | 1001-2020 | 0.3 | 3.0 | 1.7 | ||
| APL /PTB | GPS P3 | AP04 /PT13 | NC | / | 1001-2020 | 0.7 | 20.0 | |||
| AUS /PTB | GPSPPP | AU04 /PT13 | 1002-2010 | / | 1001-2020 | 0.3 | 11.2 | 10.0 | ||
| BEV /PTB | GPSPPP | BE1_ /PT13 | 1016-2021 | / | 1001-2020 | 0.3 | 2.6 | 0.5 | ||
| BFKH/PTB | GPS MC | MK01 /PT13 | NC | / | 1001-2020 | 1.5 | 20.0 | |||
| BIM /PTB | GPSPPP | BM51 /PT13 | 2007-2019 | / | 1001-2020 | 0.3 | 7.2 | 1.5 | ||
| BIRM/PTB | GPSPPP | BI41 /PT13 | 1016-2018 | / | 1001-2020 | 0.3 | 2.9 | 1.5 | ||
| BOM /PTB | NL | |||||||||
| BY /PTB | GPS MC | BY46 /PT13 | 1020-2021 | / | 1001-2020 | 1.5 | 2.8 | 0.5 | ||
| CAO /PTB | GPS MC | CA__ /PT13 | NC | / | 1001-2020 | 1.5 | 20.0 | |||
| CNES/PTB | GPSPPP | CS22 /PT13 | 1012-2021 | / | 1001-2020 | 0.3 | 2.6 | 0.5 | ||
| CNM /PTB | GPS MC | CN00 /PT13 | NA_Al | / | 1001-2020 | 1.5 | 3.9 | 2.2 | -27.3 | 0804 |
| CNMP/PTB | GPS P3 | MP1_ /PT13 | 1011-2017 | / | 1001-2020 | 0.7 | 5.2 | 2.1 | ||
| DFNT/PTB | GPS P3 | DN__ /PT13 | NC_Al | / | 1001-2020 | 0.7 | 20.0 | 10.3 | 1507 | |
| DLR /PTB | GPS P3 | DL05 /PT13 | 1016-2021 | / | 1001-2020 | 0.7 | 2.6 | 0.5 | ||
| DMDM/PTB | NL | |||||||||
| DTAG/PTB | GPSPPP | DT05 /PT13 | 1012-2019 | / | 1001-2020 | 0.3 | 2.9 | 1.3 | ||
| EIM /PTB | GPS MC | EI__ /PT13 | NA | / | 4.0 | 11.2 | 10.0 | |||
| ESA /PTB | GPSPPP | ES07 /PT13 | 1013-2020 | / | 1001-2020 | 0.3 | 2.6 | 0.9 | ||
| HKO /PTB | GPS P3 | HKO1 /PT13 | 1011-2018 | / | 1001-2020 | 0.7 | 3.1 | 1.8 | ||
| ICE /PTB | GPS MC | CE1_ /PT13 | NA_Al | / | 1001-2020 | 2.5 | 7.2 | 1.4 | -16.5 | 2111 |
| IDN /PTB | GPSPPP | KI01 /PT13 | 1017-2018 | / | 1001-2020 | 0.3 | 2.9 | 1.6 | ||
| IFAG/PTB | GPSPPP | IF20 /PT13 | 1014-2020 | / | 1001-2020 | 0.3 | 2.6 | 0.8 | ||
| IGNA/PTB | GPSPPP | IG02 /PT13 | NC_Al | / | 1001-2020 | 0.3 | 20.0 | -7.0 | 2106 | |
| IMBH/PTB | GPSPPP | BH02 /PT13 | 1011-2019 | / | 1001-2020 | 0.3 | 2.9 | 1.5 | ||
| INCP/PTB | GPS MC | CP__ /PT13 | NC | / | 1001-2020 | 5.0 | 20.0 | |||
| INM /PTB | GPS MC | IC__ /PT13 | NC | / | 1001-2020 | 1.5 | 20.0 | |||
| INPL/PTB | GPSPPP | IL06 /PT13 | 2003-2016 | / | 1001-2020 | 0.3 | 7.4 | 2.3 | ||
| INTI/PTB | GPSPPP | INTI /PT13 | NC | / | 1001-2020 | 0.3 | 20.0 | |||
| INXE/PTB | GPSPPP | NXRA /PT13 | 1012-2020 | / | 1001-2020 | 0.3 | 2.7 | 1.1 | ||
| IPQ /PTB | GPSPPP | IP05 /PT13 | 1017-2021 | / | 1001-2020 | 0.4 | 2.6 | 0.5 | ||
| JATC/PTB | GPSPPP | JA01 /PT13 | 1201-2018 | / | 1001-2020 | 0.3 | 3.0 | 1.7 | ||
| JV /PTB | GPSPPP | JV02 /PT13 | 1101-2017 | / | 1001-2020 | 0.3 | 4.4 | 1.9 | ||
| KRIS/PTB | GPSPPP | KRG1 /PT13 | 1017-2017 | / | 1001-2020 | 0.3 | 3.3 | 2.1 | ||
| KZ /PTB | GPS P3 | KZ04 /PT13 | 1202-2021 | / | 1001-2020 | 0.7 | 4.0 | 0.5 | ||
| LRTE/PTB | GPSPPP | LRRC /PT13 | NC | / | 1001-2020 | 0.3 | 20.0 | |||
| LT /PTB | GPSPPP | LT02 /PT13 | 1014-2018 | / | 1001-2020 | 0.3 | 3.0 | 1.7 | ||
| LUX /PTB | GPSPPP | LU02 /PT13 | 1012-2021 | / | 1001-2020 | 0.3 | 2.6 | 0.5 | ||
| MASM/PTB | GPSPPP | MN__ /PT13 | 1019-2018 | / | 1001-2020 | 0.3 | 3.0 | 1.6 | ||
| MBM /PTB | GPSPPP | ME01 /PT13 | NC | / | 1001-2020 | 0.3 | 20.0 | |||
| MIKE/PTB | GPSPPP | MI04 /PT13 | 1016-2019 | / | 1001-2020 | 0.3 | 2.8 | 1.2 | ||
| MSL /PTB | GPS P3 | MS01 /PT13 | 2001-2020 | / | 1001-2020 | 0.7 | 12.2 | 10.0 | ||
| NAO /PTB | GPS MC | NAT2 /PT13 | NC | / | 1001-2020 | 2.0 | 20.0 | |||
| NICT/PTB | GPSPPP | NC4S /PT13 | 1001-2020 | / | 1001-2020 | 0.3 | 1.7 | 0.8 | ||
| NIM /PTB | GPSPPP | IM06 /PT13 | 1001-2020 | / | 1001-2020 | 0.3 | 1.7 | 0.8 | ||
| NIMB/PTB | GPSPPP | MB02 /PT13 | NA_Al | / | 1001-2020 | 0.3 | 7.5 | 2.7 | 32.2 | 1611 |
| NIMT/PTB | GPSPPP | MTTI /PT13 | NC | / | 1001-2020 | 0.3 | 20.0 | |||
| NIS /PTB | GPSPPP | IS_5 /PT13 | 2001-2021 | / | 1001-2020 | 0.4 | 7.0 | 0.5 | ||
| NMIJ/PTB | GPSPPP | NM0D /PT13 | 1001-2014 | / | 1001-2020 | 0.3 | 3.5 | 3.0 | ||
| NMLS/PTB | GPS MC | LSM1 /PT13 | 1013-2017 | / | 1001-2020 | 1.5 | 3.5 | 2.2 | ||
| NPLI/PTB | GPSPPP | LI2P /PT13 | 1013-2018 | / | 1001-2020 | 0.3 | 3.1 | 1.8 | ||
| NRC /PTB | GPSPPP | NRC4 /PT13 | 1019-2017 | / | 1001-2020 | 0.3 | 3.2 | 2.0 | ||
| NRL /PTB | GPSPPP | RL2_ /PT13 | NC | / | 1001-2020 | 0.3 | 20.0 | |||
| NSAI/PTB | GPS P3 | IE01 /PT13 | 2022-2019 | / | 1001-2020 | 0.7 | 7.1 | 1.2 | ||
| NTSC/PTB | GPSPPP | NT05 /PT13 | NC | / | 1001-2020 | 0.3 | 20.0 | |||
| ONBA/PTB | GPS MC | ON__ /PT13 | 1002-2004 | / | 1001-2020 | 2.0 | 11.2 | 10.0 | ||
| ONRJ/PTB | GPSPPP | RJ03 /PT13 | 1012-2020 | / | 1001-2020 | 0.3 | 2.7 | 0.9 | ||
| ORB /PTB | GPSPPP | OR5Z /PT13 | 1011-2020 | / | 1001-2020 | 0.3 | 2.7 | 1.0 | ||
| PL /PTB | GPS P3 | PL_3 /PT13 | 1301-2021 | / | 1001-2020 | 0.7 | 2.8 | 0.5 | ||
| SASO/PTB | GPSPPP | SAS0 /PT13 | 1020-2017 | / | 1001-2020 | 0.3 | 3.2 | 1.9 | ||
| SCL /PTB | GPSPPP | SC05 /PT13 | 1011-2018 | / | 1001-2020 | 0.3 | 3.1 | 1.8 | ||
| SG /PTB | GPSPPP | SG01 /PT13 | 1019-2018 | / | 1001-2020 | 0.3 | 2.9 | 1.6 | ||
| SIQ /PTB | GPSPPP | SI01 /PT13 | 1013-2019 | / | 1001-2020 | 0.3 | 3.7 | 1.1 | ||
| SL /PTB | GPSPPP | SL01 /PT13 | 1017-2018 | / | 1001-2020 | 0.3 | 2.9 | 1.5 | ||
| SMD /PTB | GPSPPP | SD01 /PT13 | 1014-2017 | / | 1001-2020 | 0.3 | 3.3 | 2.1 | ||
| SMU /PTB | GPS MC | SM00 /PT13 | NA_Al | / | 1001-2020 | 1.5 | 12.2 | 10.0 | 57.8 | 0908 |
| SU /PTB | GPSPPP | SU31 /PT13 | 1001-2018 | / | 1001-2020 | 0.3 | 2.3 | 1.8 | ||
| TL /PTB | GPSPPP | TLT1 /PT13 | 1001-2020 | / | 1001-2020 | 0.3 | 1.7 | 0.8 | ||
| TP /PTB | GPSPPP | TP02 /PT13 | 1013-2021 | / | 1001-2020 | 0.3 | 2.6 | 0.5 | ||
| UA /PTB | GPS MC | UA05 /PT13 | 2003-2018 | / | 1001-2020 | 3.0 | 7.2 | 1.7 | ||
| UAE /PTB | GPS MC | AE__ /PT13 | 1019-2021 | / | 1001-2020 | 7.5 | 4.4 | 0.5 | ||
| UME /PTB | GPSPPP | UM01 /PT13 | 1011-2016 | / | 1001-2020 | 0.3 | 3.5 | 2.4 | ||
| VMI /PTB | GPSPPP | VM02 /PT13 | 2001-2019 | / | 1001-2020 | 0.5 | 7.2 | 1.5 | ||
| ZA /PTB | GPS P3 | ZA02 /PT13 | 1018-2018 | / | 1001-2020 | 0.7 | 3.0 | 1.6 | ||
| Link | Type | Equipment | Cal_ID | uStb/ns | uCal/ns | uAg/ns | Al/ns | YYMM | ||
| CH /PTB | TWGPPP | CH01 /PTB05 | 0543-2021 | 0.3 | 1.4 | 0.7 | ||||
| IT /PTB | TWGPPP | IT01 /PTB05 | 0584-2022 | 0.3 | 1.6 | 0.8 | ||||
| NIST/PTB | TWSTFT | NIST01/PTB05 | 0533-2021 | 0.5 | 2.4 | 1.8 | ||||
| NPL /PTB | TWGPPP | NPL02 /PTB05 | 0550-2021 | 0.3 | 1.4 | 0.7 | ||||
| OP /PTB | TWSDRR | OP51 /PTB55 | 0546-2021 | 0.3 | 1.3 | 0.8 | ||||
| ROA /PTB | TWGPPP | ROA01 /PTB05 | 0547-2021 | 0.3 | 1.4 | 0.8 | ||||
| SP /PTB | TWGPPP | SP01 /PTB05 | 0548-2021 | 0.3 | 1.5 | 0.8 | ||||
| USNO/PTB | TWGPPP | USNO01/PTB05 | 0534-2021 | 0.3 | 1.8 | 1.5 | ||||
| VSL /PTB | TWGPPP | VSL01 /PTB05 | 0549-2021 | 0.3 | 1.3 | 0.7 |