| CIRCULAR T 341 | ISSN 1143-1393
|
| 2016 JUNE 09, 13h UTC | |
| BUREAU INTERNATIONAL DES POIDS ET MESURES | |
| ORGANISATION INTERGOUVERNEMENTALE DE LA CONVENTION DU METRE | |
| PAVILLON DE BRETEUIL F-92312 SEVRES CEDEX TEL. +33 1 45 07 70 70 FAX. +33 1 45 34 20 21 tai@bipm.org | |
The contents of the sections of BIPM Circular T are fully described in the document "
Explanatory supplement to BIPM Circular T
"
available at https://webtai.bipm.org/ftp/pub/tai/other-products/notes/explanatory_supplement_v0.1.pdf
1 - Difference between UTC and its local realizations UTC(k) and corresponding uncertainties.
From 2015 July 1, 0h UTC, TAI-UTC = 36 s.
1 - Difference between UTC and its local realizations UTC(k) and corresponding uncertainties.
From 2015 July 1, 0h UTC, TAI-UTC = 36 s.
| Date 2016 0h UTC | APR 26 | MAY 1 | MAY 6 | MAY 11 | MAY 16 | MAY 21 | MAY 26 | MAY 31 | Uncertainty/ns | Notes | |||||
| MJD | 57504 | 57509 | 57514 | 57519 | 57524 | 57529 | 57534 | 57539 | uA | uB | u | ||||
| Laboratory k | [UTC-UTC(k)]/ns | ||||||||||||||
| AOS | (Borowiec) | 
| .gif)
| -0.2 | -2.4 | -2.7 | -3.3 | -2.8 | -3.6 | -2.6 | -3.1 | 0.3 | 2.9 | 2.9 | |
| APL | (Laurel) |
| .gif)
| 11.6 | 12.5 | 14.0 | 15.3 | 4.3 | 2.7 | 2.7 | 2.8 | 0.3 | 10.9 | 10.9 | |
| AUS | (Sydney) |
| .gif)
| 281.2 | 288.9 | 308.6 | 337.9 | 374.9 | 401.1 | 426.0 | 441.1 | 0.3 | 5.9 | 5.9 | |
| BEV | (Wien) |
| .gif)
| 4.7 | 7.8 | 16.9 | 24.6 | 27.1 | 26.7 | 31.0 | 34.7 | 0.3 | 5.1 | 5.1 | |
| BIM | (Sofiya) |
| .gif)
| 3819.6 | 3838.5 | 3875.7 | 3884.7 | 3917.3 | 3951.8 | 3977.4 | 4023.7 | 1.5 | 8.7 | 8.8 | |
| BIRM | (Beijing) |
| .gif)
| -28.0 | -29.1 | -33.0 | -29.5 | -25.9 | -28.2 | -22.7 | -20.8 | 1.5 | 20.0 | 20.1 | |
| BY | (Minsk) |
| .gif)
| 0.3 | 0.7 | 2.4 | 5.2 | 6.5 | 3.4 | 4.2 | 2.3 | 1.5 | 8.7 | 8.8 | |
| CAO | (Cagliari) |
| .gif)
| - | -12787.3 | -12888.2 | -12973.5 | -13059.0 | -13157.0 | -13256.6 | -13352.3 | 8.0 | 20.0 | 21.6 | |
| CH | (Bern-Wabern) |
| .gif)
| 1.5 | 2.7 | 5.6 | 8.6 | 6.8 | 5.2 | 3.9 | 2.5 | 0.3 | 1.4 | 1.5 | |
| CNES | (Toulouse) |
| .gif)
| - | 25.6 | 29.8 | 36.7 | 26.3 | 15.8 | 7.0 | -7.9 | 0.3 | 20.0 | 20.0 | (1) |
| CNM | (Queretaro) |
| .gif)
| -5.6 | -5.7 | -5.9 | -4.2 | 3.5 | -0.1 | -1.2 | -7.6 | 2.5 | 11.2 | 11.4 | |
| CNMP | (Panama) |
| .gif)
| -12.8 | 1.6 | 2.1 | -23.8 | -17.9 | -26.3 | -11.6 | -29.3 | 3.5 | 11.2 | 11.8 | |
| DFNT | (Tunis) |
| .gif)
| 1184.1 | 1367.4 | 1564.7 | 1748.4 | 1943.7 | 2133.8 | 2321.0 | 2510.5 | 0.7 | 20.0 | 20.0 | |
| DMDM | (Belgrade) |
| .gif)
| 13.2 | 13.3 | 1.6 | -10.1 | -28.7 | -5.1 | 2.5 | -6.9 | 0.3 | 7.4 | 7.4 | |
| DTAG | (Frankfurt/M) |
| .gif)
| 203.1 | 197.9 | 205.2 | 194.7 | 197.6 | 192.8 | 182.7 | 176.9 | 0.3 | 7.6 | 7.6 | |
| EIM | (Thessaloniki) |
| .gif)
| 17.1 | 9.8 | 2.2 | 14.7 | 9.9 | 19.9 | 22.2 | 11.0 | 5.0 | 7.9 | 9.3 | |
| ESTC | (Noordwijk) |
| .gif)
| -1.1 | -0.9 | 0.2 | 2.0 | 1.8 | 1.1 | -0.7 | -2.0 | 0.3 | 5.5 | 5.5 | |
| HKO | (Hong Kong) |
| .gif)
| 221.8 | 235.1 | 239.5 | 247.8 | 253.5 | 254.4 | 259.1 | 264.1 | 0.3 | 7.4 | 7.4 | |
| IFAG | (Wettzell) |
| .gif)
| -947.4 | -948.6 | -942.4 | -944.6 | -937.0 | -936.9 | -931.3 | -945.8 | 0.3 | 5.5 | 5.5 | |
| IGNA | (Buenos Aires) |
| .gif)
| - | - | - | - | - | - | - | - | ||||
| IMBH | (Sarajevo) |
| .gif)
| 154.0 | 128.2 | 85.5 | 51.0 | 13.6 | -26.8 | -57.2 | -87.7 | 0.3 | 7.2 | 7.2 | |
| INCP | (Lima) |
| .gif)
| 14.0 | -14.3 | -28.3 | -24.1 | -47.6 | -59.7 | -78.2 | -107.0 | 5.0 | 20.0 | 20.6 | |
| INPL | (Jerusalem) |
| .gif)
| -3.7 | 0.0 | 2.2 | 3.4 | -2.6 | -8.1 | -6.1 | 4.9 | 1.5 | 7.7 | 7.9 | |
| INTI | (Buenos Aires) |
| .gif)
| -43.1 | -43.8 | -33.1 | -25.7 | -19.7 | -30.2 | -21.1 | -5.2 | 2.5 | 20.0 | 20.2 | |
| INXE | (Rio de Janeiro) |
| .gif)
| -17.4 | -21.2 | -37.0 | -39.3 | -29.3 | -21.4 | -16.6 | -14.3 | 0.3 | 20.0 | 20.0 | |
| IT | (Torino) |
| .gif)
| 5.6 | 6.6 | 6.8 | 8.2 | 7.2 | 5.0 | 4.2 | 3.1 | 0.3 | 1.4 | 1.5 | |
| JATC | (Lintong) |
| .gif)
| 4.9 | 5.2 | 2.4 | 2.4 | -5.9 | -2.0 | 1.2 | 0.7 | 0.4 | 12.2 | 12.2 | |
| JV | (Kjeller) |
| .gif)
| -31.3 | -31.2 | -33.3 | -35.6 | -35.2 | -34.8 | -34.3 | -38.5 | 0.7 | 20.0 | 20.0 | |
| KEBS | (Nairobi) |
| .gif)
| 6535.1 | 6757.8 | 6988.5 | - | -63.2 | -347.2 | -630.1 | -918.4 | 1.5 | 20.0 | 20.1 | |
| KIM | (Serpong-Tangerang) |
| .gif)
| 1302.8 | 1287.5 | 1298.4 | 1307.5 | 1344.2 | 1352.0 | 1366.0 | 1358.8 | 2.0 | 20.0 | 20.1 | |
| KRIS | (Daejeon) |
| .gif)
| 23.7 | 24.4 | 26.0 | 27.5 | 29.3 | 30.2 | 30.4 | 29.4 | 0.3 | 11.1 | 11.1 | |
| KZ | (Astana) |
| .gif)
| -333.7 | -330.4 | -325.4 | -310.3 | -296.0 | -286.3 | -275.9 | -267.5 | 1.5 | 8.7 | 8.8 | |
| LT | (Vilnius) |
| .gif)
| 1332.8 | 1338.1 | 1340.0 | 1354.2 | 1361.0 | 1368.4 | 1395.3 | 1391.3 | 2.0 | 7.9 | 8.1 | |
| MASM | (Bayanzurkh) |
| .gif)
| - | - | - | - | - | - | - | - | ||||
| MBM | (Podgorica) |
| .gif)
| 576.9 | 851.0 | 1134.8 | 1413.3 | 1680.3 | 1959.1 | 2217.9 | 2508.4 | 5.0 | 20.0 | 20.6 | |
| MIKE | (Espoo) |
| .gif)
| 19.7 | 18.3 | 17.8 | 17.0 | 16.3 | 14.7 | 13.5 | 19.0 | 0.3 | 7.6 | 7.6 | |
| MKEH | (Budapest) |
| .gif)
| -44877.3 | -45082.7 | -45288.2 | -45487.5 | -45698.8 | -45915.9 | -46110.2 | -46306.7 | 1.5 | 20.0 | 20.1 | |
| MSL | (Lower Hutt) |
| .gif)
| -350.0 | - | - | - | - | - | - | - | 1.5 | 20.0 | 20.1 | |
| MTC | (Makkah) |
| .gif)
| 499.0 | 502.0 | 503.9 | 504.5 | 514.4 | 518.1 | 532.7 | 544.0 | 0.3 | 7.1 | 7.2 | |
| NAO | (Mizusawa) |
| .gif)
| 51.4 | 58.5 | 48.8 | 40.4 | 40.7 | 30.9 | 25.6 | 27.7 | 2.0 | 20.0 | 20.1 | |
| NICT | (Tokyo) |
| .gif)
| 11.3 | 11.6 | 9.9 | 8.3 | 8.8 | 8.0 | 7.5 | 6.2 | 0.3 | 2.2 | 2.2 | |
| NIM | (Beijing) |
| .gif)
| 8.3 | 7.5 | 8.2 | 6.1 | 6.8 | 6.0 | 3.8 | 0.9 | 0.7 | 2.2 | 2.3 | |
| NIMB | (Bucharest) |
| .gif)
| 1372.8 | 1404.6 | 1420.5 | 1418.7 | 1420.7 | 1418.7 | 1402.3 | 1392.4 | 4.5 | 7.9 | 9.1 | |
| NIMT | (Pathumthani) |
| .gif)
| -142.6 | -140.1 | -135.4 | -126.0 | -121.6 | -105.5 | -93.4 | -94.5 | 1.0 | 20.0 | 20.0 | |
| NIS | (Cairo) |
| .gif)
| - | - | - | 2283.1 | 2370.1 | 2462.1 | 2556.9 | 2634.3 | 1.6 | 20.0 | 20.1 | |
| NIST | (Boulder) |
| .gif)
| -3.5 | -2.0 | -0.7 | -0.6 | -0.4 | -0.3 | 0.3 | 0.4 | 0.3 | 1.8 | 1.8 | (2) |
| NMIJ | (Tsukuba) |
| .gif)
| 16.2 | 11.7 | 7.9 | 3.8 | 0.8 | -2.6 | -5.0 | -6.9 | 0.3 | 2.2 | 2.3 | |
| NMLS | (Sepang) |
| .gif)
| -347.7 | -361.0 | -366.6 | -364.5 | -369.2 | -381.9 | -391.9 | -410.1 | 1.0 | 20.0 | 20.1 | |
| NPL | (Teddington) |
| .gif)
| 5.1 | 1.2 | -1.8 | -4.8 | -8.8 | -11.2 | -12.8 | -14.6 | 1.0 | 7.1 | 7.2 | |
| NPLI | (New-Delhi) |
| .gif)
| 1.4 | -5.1 | -4.9 | -5.7 | -5.2 | -5.3 | -1.5 | 2.6 | 0.7 | 20.0 | 20.0 | |
| NRC | (Ottawa) |
| .gif)
| 63.4 | 62.0 | 65.7 | 68.2 | 69.6 | 72.1 | 74.7 | 75.7 | 0.3 | 11.2 | 11.3 | |
| NRL | (Washington DC) |
| .gif)
| 0.7 | 3.4 | 4.4 | -2.0 | 4.0 | 6.3 | 3.6 | -1.8 | 0.3 | 20.0 | 20.0 | |
| NTSC | (Lintong) |
| .gif)
| 4.9 | 5.6 | 5.7 | 3.6 | 3.2 | 4.7 | 3.0 | 4.9 | 0.3 | 10.6 | 10.6 | |
| ONBA | (Buenos Aires) |
| .gif)
| -2080.2 | -2086.3 | -2103.1 | -2089.2 | -2101.9 | -2090.5 | -2096.8 | -2101.3 | 2.5 | 11.2 | 11.5 | |
| ONRJ | (Rio de Janeiro) |
| .gif)
| 0.6 | -1.3 | 2.4 | 1.9 | 0.4 | -2.2 | -1.0 | 1.1 | 1.0 | 7.3 | 7.4 | |
| OP | (Paris) |
| .gif)
| 1.7 | 2.0 | 2.7 | 2.6 | 1.9 | 1.1 | 1.0 | 0.5 | 0.3 | 1.4 | 1.5 | |
| ORB | (Bruxelles) |
| .gif)
| 6.7 | 6.4 | 7.8 | 9.1 | 9.8 | 10.8 | 11.9 | 10.9 | 0.3 | 5.5 | 5.5 | |
| PL | (Warszawa) |
| .gif)
| 15.6 | 9.0 | 4.2 | 4.4 | -0.2 | -8.6 | -10.9 | 1.7 | 0.3 | 2.8 | 2.9 | |
| PTB | (Braunschweig) |
| .gif)
| 5.1 | 5.3 | 5.4 | 5.1 | 4.7 | 4.5 | 4.4 | 3.9 | 0.1 | 1.1 | 1.1 | |
| ROA | (San Fernando) |
| .gif)
| -0.9 | -3.5 | -4.0 | -1.8 | -1.3 | -5.7 | -7.4 | -6.9 | 0.3 | 1.5 | 1.5 | |
| SASO | (Riyadh) |
| .gif)
| -319.9 | -319.0 | -317.4 | -321.8 | -319.8 | -319.7 | -322.6 | -328.8 | 0.7 | 7.4 | 7.4 | |
| SCL | (Hong Kong) |
| .gif)
| -167.2 | -143.1 | -134.2 | -126.0 | -114.8 | -110.6 | -100.1 | -103.2 | 6.0 | 14.1 | 15.4 | |
| SG | (Singapore) |
| .gif)
| 7.0 | 5.3 | 2.1 | -1.6 | -1.0 | -2.7 | -3.3 | -4.0 | 0.7 | 5.8 | 5.9 | |
| SIQ | (Ljubljana) |
| .gif)
| -1463.1 | -1470.4 | -1457.1 | -1464.1 | -1484.3 | -1468.8 | -1484.4 | -1480.0 | 0.3 | 7.2 | 7.2 | |
| SMD | (Bruxelles) |
| .gif)
| -2.0 | 8.6 | 8.5 | 16.4 | 22.6 | 30.7 | 32.1 | 30.7 | 0.3 | 7.4 | 7.4 | |
| SMU | (Bratislava) |
| .gif)
| -687.3 | -702.3 | -708.8 | -714.3 | -708.2 | -717.3 | -734.1 | -751.8 | 1.0 | 9.3 | 9.3 | |
| SP | (Boras) |
| .gif)
| 5.2 | 2.7 | 2.7 | 1.8 | -0.6 | -2.6 | -4.9 | -7.7 | 0.3 | 1.4 | 1.4 | |
| SU | (Moskva) |
| .gif)
| 0.7 | 1.1 | 0.6 | -0.6 | 0.2 | 0.0 | 0.2 | -0.6 | 0.9 | 6.6 | 6.7 | |
| TL | (Chung-Li) |
| .gif)
| -2.6 | -2.2 | -2.4 | -2.5 | -2.2 | -2.0 | -2.0 | -2.5 | 0.3 | 2.2 | 2.3 | |
| TP | (Praha) |
| .gif)
| -0.6 | -3.5 | 2.9 | -2.6 | 0.8 | 1.5 | 1.1 | -4.9 | 0.3 | 5.9 | 5.9 | |
| UA | (Kharkov) |
| .gif)
| -11.8 | 5.7 | 16.9 | 14.5 | 8.4 | 8.2 | 8.5 | 8.7 | 1.5 | 8.1 | 8.3 | |
| UME | (Gebze-Kocaeli) |
| .gif)
| 70.0 | 58.7 | 64.0 | 49.5 | 40.4 | 35.9 | 29.9 | 25.9 | 0.5 | 7.3 | 7.4 | |
| USNO | (Washington DC) |
| .gif)
| 1.4 | 0.1 | 0.3 | 0.6 | 0.1 | -0.3 | -1.1 | -1.7 | 0.2 | 1.2 | 1.2 | |
| VMI | (Ha Noi) |
| .gif)
| -37.9 | -36.5 | -15.1 | -5.9 | -5.8 | -9.7 | -7.3 | -1.6 | 2.0 | 20.0 | 20.1 | |
| VSL | (Delft) |
| .gif)
| -8.4 | 2.3 | 5.1 | 0.3 | -2.1 | 4.1 | 8.0 | 6.2 | 0.3 | 1.5 | 1.5 | |
| ZA | (Pretoria) |
| .gif)
| 4.1 | 7.1 | 10.5 | 3.5 | 8.7 | 13.4 | 6.8 | 4.6 | 0.3 | 20.0 | 20.0 | |
| - Notes on section 1: | |||||||||||||||
| (1) CNES : Centre National d'Etudes Spatiales, Toulouse, France. | |||||||||||||||
| (2) NIST : Time step of UTC(NIST) of -3.7ns on MJD 57506 due to calibration. | |||||||||||||||
2 - Difference between the normalized frequencies of EAL and TAI.
| Interval of validity | f(EAL)-f(TAI) | ||
| Steering correction | 57504 - 57539 | 6.483x10-13 | (2016 APR 26 - 2016 MAY 31) |
| New correction | 57539 - 57569 | 6.483x10-13 | (2016 MAY 31 - 2016 JUN 30) |
| New correction foreseen | 57569 - 57599 | 6.483x10-13 | (2016 JUN 30 - 2016 JUL 30) |
3 - Duration of the TAI scale interval d.
Table 1: Estimate of d by individual PSFS measurements and corresponding uncertainties.
All values are expressed in 10-15 and are valid only for the stated period of estimation.
| Standard | Period of | d | uA | uB | ul/lab | ul/Tai | u | uSrep Ref(uS) | Ref(uB) | uB(Ref) | Note |
| Estimation | |||||||||||
| PTB-CS1 | 57504 57539 | -6.46 | 6.00 | 8.00 | 0.00 | 0.06 | 10.00 | PFS/NA | T148 | 8. | (1) |
| PTB-CS2 | 57504 57539 | -5.37 | 3.00 | 12.00 | 0.00 | 0.06 | 12.37 | PFS/NA | T148 | 12. | (1) |
| IT-CsF2 | 57504 57539 | -0.94 | 0.31 | 0.48 | 0.10 | 0.17 | 0.60 | PFS/NA | T318 | 0.19 | (2) |
| SYRTE-FO2 | 57509 57539 | -1.21 | 0.35 | 0.27 | 0.10 | 0.20 | 0.49 | PFS/NA | T301 | 0.23 | (3) |
| SYRTE-FORb | 57504 57539 | -0.23 | 0.20 | 0.28 | 0.10 | 0.17 | 0.40 | 0.7 [1] | T301 | 0.35 | (3) |
| PTB-CSF1 | 57474 57504 | -1.02 | 0.08 | 0.37 | 0.08 | 0.07 | 0.39 | PFS/NA | T162 | 1.40 | (4) |
| PTB-CSF2 | 57474 57504 | -1.38 | 0.12 | 0.20 | 0.13 | 0.07 | 0.27 | PFS/NA | T287 | 0.41 | (4) |
| SU-CsFO2 | 57509 57529 | -0.75 | 0.27 | 0.25 | 0.11 | 0.85 | 0.93 | PFS/NA | T315 | 0.50 | (5) |
Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report 01 JUN. 2016 by INRIM
(3) Report 04 JUN. 2016 by LNE-SYRTE
(4) Report 02 JUN. 2016 by PTB
(5) Report 27 MAY. 2016 by SU
[1] CIPM Recommendation 2 (CI-2015) : Updates to the list of standard frequencies in Proces-Verbaux
des Seances du Comite International des Poids et Mesures, 104th meeting (2015), 2016, 47 p.
Table 2: Estimate of d by the BIPM based on all PSFS measurements over the period MJD
57144-57539, and corresponding uncertainties.
| Period of estimation | d | u | |
| 57504-57539 | -0.88x10-15 | 0.29x10-15 | (2016 APR 26 - 2016 MAY 31) |
4 - Relations of UTC and TAI with predictions of UTC(k) disseminated by GNSS.
[UTC-UTC(USNO)_GPS] = C0', [TAI-UTC(USNO)_GPS] = 36 s + C0'
[UTC-UTC(SU)_GLONASS]= C1', [TAI-UTC(SU)_GLONASS]= 36 s + C1'
For this edition of circular, σ0'= 1.0 ns, σ1'= 6.6 ns
| 2016 | 0h | UTC | MJD | C0'/ns | N0 | C1'/ns | N1' |
| APR | 26 | 57504 | 3.1 | 89 | 198.8 | 82 | |
| APR | 27 | 57505 | 1.4 | 89 | 202.4 | 85 | |
| APR | 28 | 57506 | 0.8 | 90 | 201.3 | 82 | |
| APR | 29 | 57507 | 1.4 | 89 | 199.4 | 75 | |
| APR | 30 | 57508 | 1.6 | 89 | 199.9 | 83 | |
| MAY | 1 | 57509 | -0.3 | 89 | 198.9 | 82 | |
| MAY | 2 | 57510 | -0.1 | 90 | 195.1 | 89 | |
| MAY | 3 | 57511 | -0.8 | 89 | 192.1 | 85 | |
| MAY | 4 | 57512 | 0.3 | 89 | 192.8 | 88 | |
| MAY | 5 | 57513 | 0.4 | 89 | 192.0 | 80 | |
| MAY | 6 | 57514 | 0.9 | 90 | 190.7 | 81 | |
| MAY | 7 | 57515 | 1.9 | 89 | 192.0 | 82 | |
| MAY | 8 | 57516 | 1.6 | 89 | 190.6 | 81 | |
| MAY | 9 | 57517 | 1.4 | 89 | 187.2 | 88 | |
| MAY | 10 | 57518 | 1.3 | 90 | 186.3 | 86 | |
| MAY | 11 | 57519 | 2.4 | 89 | 185.0 | 89 | |
| MAY | 12 | 57520 | -0.7 | 89 | 185.9 | 78 | |
| MAY | 13 | 57521 | 0.8 | 88 | 187.7 | 80 | |
| MAY | 14 | 57522 | -0.1 | 90 | 188.1 | 83 | |
| MAY | 15 | 57523 | 2.4 | 88 | 187.7 | 78 | |
| MAY | 16 | 57524 | 4.0 | 89 | 189.7 | 88 | |
| MAY | 17 | 57525 | 3.2 | 89 | 193.3 | 87 | |
| MAY | 18 | 57526 | 2.9 | 90 | 194.1 | 86 | |
| MAY | 19 | 57527 | 1.1 | 89 | 193.3 | 89 | |
| MAY | 20 | 57528 | 1.2 | 89 | 194.5 | 80 | |
| MAY | 21 | 57529 | 1.3 | 89 | 198.5 | 83 | |
| MAY | 22 | 57530 | 2.2 | 90 | 203.6 | 85 | |
| MAY | 23 | 57531 | 0.9 | 89 | 204.7 | 70 | |
| MAY | 24 | 57532 | -0.8 | 89 | 202.3 | 88 | |
| MAY | 25 | 57533 | 0.4 | 89 | 201.5 | 89 | |
| MAY | 26 | 57534 | 0.7 | 90 | 201.8 | 80 | |
| MAY | 27 | 57535 | 1.8 | 75 | 202.4 | 85 | |
| MAY | 28 | 57536 | -0.2 | 89 | 201.5 | 82 | |
| MAY | 29 | 57537 | -0.4 | 89 | 196.6 | 86 | |
| MAY | 30 | 57538 | 1.4 | 90 | 194.1 | 86 | |
| MAY | 31 | 57539 | -0.6 | 89 | 195.8 | 85 | |
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 |
| AOS /PTB | GPSPPP | AO_4 /PT02 | 1101-2013 | / | 1001-2014 | 0.3 | 2.7 | 1 | ||
| APL /PTB | GPSPPP | AP__ /PT02 | NA_Al | / | 1001-2014 | 0.3 | 11.2 | 10 | 24.3 | 1511 |
| AUS /PTB | GPSPPP | AU01 /PT02 | 1002-2010 | / | 1001-2014 | 0.3 | 5.8 | 3 | ||
| BIM /PTB | GPS MC | BM37 /PT05 | 2004-2008 | / | 1005-2008 | 1.5 | 8.6 | 5 | ||
| BIRM/PTB | GPS MC | BI01 /PT05 | NC_Al | / | 1005-2008 | 1.5 | 20.0 | -30.0 | 0709 | |
| BY /PTB | GPS MC | BY__ /PT05 | NA_Al | / | 1005-2008 | 1.5 | 8.6 | 5 | 53.0 | 0804 |
| CAO /PTB | GPS MC | CA__ /PT05 | NC | / | 1005-2008 | 8.0 | 20.0 | |||
| CNES/PTB | GPSPPP | CS22 /PT02 | NA | / | 1001-2014 | 0.3 | 20.0 | 3 | ||
| CNM /PTB | GPS MC | CN00 /PT05 | NA_Al | / | 1005-2008 | 2.5 | 11.2 | 10 | -27.3 | 0804 |
| CNMP/PTB | GPS MC | MP__ /PT05 | 1002-2004 | / | 1005-2008 | 3.5 | 11.2 | 10 | ||
| DFNT/PTB | GPS P3 | DN__ /PT02 | NC_Al | / | 1001-2014 | 0.7 | 20.0 | 10.3 | 1507 | |
| DMDM/PTB | GPSPPP | ZM68 /PT02 | NA | / | 1001-2014 | 0.3 | 7.3 | 2 | ||
| DTAG/PTB | GPSPPP | DT01 /PT02 | NA | / | 1001-2014 | 0.3 | 7.6 | 3 | ||
| EIM /PTB | GPS MC | EI__ /PT05 | 1011-2007 | / | 1005-2008 | 5.0 | 7.8 | 6 | ||
| ESTC/PTB | GPSPPP | ES04 /PT02 | 1012-2012 | / | 1001-2014 | 0.3 | 5.4 | 2 | ||
| HKO /PTB | GPSPPP | HKO2 /PT02 | NA_Al | / | 1001-2014 | 0.3 | 7.3 | 2 | 11.6 | 1509 |
| IFAG/PTB | GPSPPP | IF13 /PT02 | 1011-2011 | / | 1001-2014 | 0.3 | 5.4 | 2 | ||
| IGNA/PTB | NL | |||||||||
| IMBH/PTB | GPSPPP | BH01 /PT02 | NA_Al | / | 1001-2014 | 0.3 | 7.1 | 1 | 31.6 | 1505 |
| INCP/PTB | GPS MC | CP__ /PT05 | NC | / | 1005-2008 | 5.0 | 20.0 | |||
| INPL/PTB | GPS P3 | IL02 /PT02 | NA_Al | / | 1001-2014 | 1.5 | 7.7 | 3 | -46.8 | 1212 |
| INTI/PTB | GPS MC | IN__ /PT05 | NC | / | 1005-2008 | 2.5 | 20.0 | |||
| INXE/PTB | GPSPPP | NXRA /PT02 | NC | / | 1001-2014 | 0.3 | 20.0 | |||
| JV /PTB | GPS P3 | JV__ /PT02 | NC_Al | / | 1001-2014 | 0.7 | 20.0 | 130.0 | 1509 | |
| KEBS/PTB | GPS MC | KE__ /PT05 | NC | / | 1005-2008 | 1.5 | 20.0 | |||
| KIM /PTB | GPS MC | KI02 /PT05 | NC_Al | / | 1005-2008 | 2.0 | 20.0 | -30.6 | 0901 | |
| KRIS/PTB | GPSPPP | KR01 /PT02 | 1003-2005 | / | 1001-2014 | 0.3 | 11.2 | 10 | ||
| KZ /PTB | GPSGLN | KZ01 /PT05 | 2002-2008 | / | 1005-2008 | 1.5 | 8.6 | 5 | ||
| LT /PTB | GPS MC | LT01 /PT05 | 1007-2006 | / | 1005-2008 | 2.0 | 7.8 | 6 | ||
| MASM/PTB | NL | |||||||||
| MBM /PTB | GPS MC | ME__ /PT05 | NC | / | 1005-2008 | 5.0 | 20.0 | |||
| MIKE/PTB | GPSPPP | MI02 /PT02 | NA | / | 1001-2014 | 0.3 | 7.6 | 3 | ||
| MKEH/PTB | GPS MC | MK01 /PT05 | NC | / | 1005-2008 | 1.5 | 20.0 | |||
| MSL /PTB | GPS P3 | MS0_ /PT02 | NC | / | 1001-2014 | 1.5 | 20.0 | |||
| MTC /PTB | GPSPPP | MC02 /PT02 | NA_Al | / | 1001-2014 | 0.3 | 7.1 | 1 | 32.6 | 1503 |
| NAO /PTB | GPS MC | NA__ /PT05 | NC | / | 1005-2008 | 2.0 | 20.0 | |||
| NICT/PTB | GPSPPP | NC01 /PT02 | 1001-2014 | / | 1001-2014 | 0.3 | 2.0 | 1 | ||
| NIM /PTB | GPS P3 | IM06 /PT02 | 1001-2014 | / | 1001-2014 | 0.7 | 2.0 | 1 | ||
| NIMB/PTB | GPS MC | MB__ /PT05 | 1007-2006 | / | 1005-2008 | 4.5 | 7.8 | 6 | ||
| NIMT/PTB | GPS P3 | MTTO /PT02 | NC | / | 1001-2014 | 1.0 | 20.0 | |||
| NIS /PTB | GPS P3 | IS_1 /PT02 | NC_Al | / | 1001-2014 | 1.6 | 20.0 | +16.4 | 1303 | |
| NMIJ/PTB | GPSPPP | NM0D /PT02 | NA_Al | / | 1001-2014 | 0.3 | 2.0 | 1 | ||
| NMLS/PTB | GPS P3 | LSM1 /PT02 | NC_Al | / | 1001-2014 | 1.0 | 20.0 | +3.3 | 1311 | |
| NPLI/PTB | GPS P3 | LITI /PT02 | NC | / | 1001-2014 | 0.7 | 20.0 | |||
| NRC /PTB | GPSPPP | NRC4 /PT02 | NA_Al | / | 1001-2014 | 0.3 | 11.2 | 10 | 125.0 | 1604 |
| NRL /PTB | GPSPPP | RL__ /PT02 | NC | / | 1001-2014 | 0.3 | 20.0 | |||
| NTSC/PTB | GPSPPP | NTP1 /PT02 | NC | / | 1001-2014 | 0.3 | 11.2 | 10 | ||
| ONBA/PTB | GPS MC | ON__ /PT05 | 1002-2004 | / | 1005-2008 | 2.5 | 11.2 | 10 | ||
| ONRJ/PTB | GPS P3 | RJ01 /PT02 | NA_Al | / | 1001-2014 | 1.0 | 7.3 | 2 | +5.6 | 1302 |
| ORB /PTB | GPSPPP | OR1Z /PT02 | 1001-2012 | / | 1001-2014 | 0.3 | 5.4 | 2 | ||
| PL /PTB | GPSPPP | PL_3 /PT02 | 1101-2013 | / | 1001-2014 | 0.3 | 2.7 | 1 | ||
| SASO/PTB | GPS P3 | SA00 /PT02 | NA_Al | / | 1001-2014 | 0.7 | 7.3 | 2 | 32.8 | 1312 |
| SCL /PTB | GPS MC | SC__ /PT05 | 1001-1993 | / | 1005-2008 | 6.0 | 14.1 | 10 | ||
| SG /PTB | GPS P3 | SGBK /PT02 | 1001-2010 | / | 1001-2014 | 0.7 | 5.8 | 3 | ||
| SIQ /PTB | GPSPPP | SI01 /PT02 | 2002-2014 | / | 1001-2014 | 0.3 | 7.1 | 1 | ||
| SMD /PTB | GPSPPP | SD21 /PT02 | 2002-2011 | / | 1001-2014 | 0.3 | 7.3 | 2 | ||
| SMU /PTB | GPSGLN | SM00 /PT05 | 2001-2006 | / | 1005-2008 | 1.0 | 9.2 | 6 | ||
| SU /PTB | GPSGLN | SU19 /PT05 | 0281-2012 | / | 1005-2008 | 1.0 | 7.1 | 5 | ||
| TL /PTB | GPS P3 | TLT1 /PT02 | NA_Al | / | 1001-2014 | 0.3 | 2.0 | 1 | ||
| TP /PTB | GPSPPP | TP04 /PT02 | 1002-2009 | / | 1001-2014 | 0.3 | 5.8 | 3 | ||
| UA /PTB | GPS MC | UA04 /PT05 | 2003-2011 | / | 1005-2008 | 1.5 | 8.1 | 4 | ||
| UME /PTB | GPSPPP | UM01 /PT02 | NA_Al | / | 1001-2014 | 0.5 | 7.3 | 2 | 25.4 | 1507 |
| VMI /PTB | GPS P3 | VM__ /PT02 | NC | / | 1001-2014 | 2.0 | 20.0 | |||
| ZA /PTB | GPSPPP | ZA__ /PT02 | NC | / | 1001-2014 | 0.3 | 20.0 | |||
| Link | Type | Equipment | Cal_ID | uStb/ns | uCal/ns | uAg/ns | Al/ns | YYMM | ||
| BEV /PTB | GPSPPP | BE1_ /PT02 | NA_Al | 0.3 | 5.0 | 4 | -3.2 | 1203 | ||
| CH /PTB | TWGPPP | CH01 /PTB01 | 0284-2012 | 0.3 | 1.0 | 0 | ||||
| IT /PTB | TWGPPP | IT02 /PTB01 | 0374-2014 | 0.3 | 1.0 | 0 | ||||
| JATC/NTSC | INT LK | INTDLY | 0.2 | 6.1 | 6 | |||||
| NIST/PTB | TWGPPP | NIST01/PTB01 | 0393-2015 | 0.3 | 1.5 | 0 | ||||
| NPL /PTB | TWGPPP | NPL01 /PTB01 | NA_Al | 1.0 | 7.1 | 1 | ||||
| OP /PTB | TWGPPP | OP01 /PTB01 | 0377-2014 | 0.3 | 1.0 | 0 | ||||
| ROA /PTB | TWGPPP | ROA01 /PTB01 | 0380-2014 | 0.3 | 1.0 | 0 | ||||
| SP /PTB | TWGPPP | SP01 /PTB01 | 0381-2014 | 0.3 | 1.0 | 0 | ||||
| USNO/PTB | TWGPPP | USNO01/PTB01 | 0392-2015 | 0.3 | 1.0 | 0 | ||||
| VSL /PTB | TWGPPP | VSL01 /PTB01 | 0295-2015 | 0.3 | 1.0 | 0 | ||||
