CIRCULAR T 383 ISSN 1143-1393
2019 DECEMBER 09, 10h 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

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_v0.2.pdf

1 - Difference between UTC and its local realizations UTC(k) and corresponding uncertainties. From 2017 January 1, 0h UTC, TAI-UTC = 37 s.
Date 2019 0h UTC OCT 28 NOV 2 NOV 7 NOV 12 NOV 17 NOV 22 NOV 27 Uncertainty/ns Notes
MJD 58784 58789 58794 58799 58804 58809 58814 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AOS (Borowiec) 9.0 8.4 8.3 7.9 7.6 7.2 6.4 0.3 4.2 4.3
APL (Laurel) 1.2 1.9 0.0 -2.9 -3.1 -0.9 0.2 0.3 11.1 11.1
AUS (Sydney) -353.9 -362.2 -351.8 -357.2 -363.4 -362.5 -371.4 0.3 6.5 6.5
BEV (Wien) -21.2 -20.3 -21.9 -13.0 -9.4 -5.8 -0.6 0.5 3.4 3.4
BIM (Sofiya) 11795.3 11802.0 11816.6 11818.5 11841.1 11854.1 11897.0 0.7 7.1 7.2
BIRM (Beijing) - 9.2 4.4 1.5 1.2 3.9 -3.6 0.3 2.9 2.9
BOM (Skopje) -2678.0 - -2768.5 -2792.5 -2819.7 -2847.5 -2859.6 1.5 8.5 8.7
BY (Minsk) -1.8 -1.4 -0.7 -0.7 0.0 0.8 0.2 1.5 12.2 12.3
CAO (Cagliari) - -15356.7 -15475.1 -15586.0 -15696.4 -15803.8 -15910.5 1.5 20.0 20.1
CH (Bern-Wabern) 10.4 9.0 8.3 7.7 5.6 4.3 3.5 0.3 2.3 2.3
CNES (Toulouse) 0.5 0.5 -0.3 -1.4 -2.0 -1.4 -1.2 0.3 2.9 2.9
CNM (Queretaro) -1.9 6.6 -2.2 -2.0 -8.4 0.6 -2.1 2.5 11.2 11.5
CNMP (Panama) -7.6 7.5 20.2 -17.9 -20.1 7.7 -2.1 0.7 7.4 7.5
DFNT (Tunis) 13716.1 13922.2 14139.7 14362.1 14583.9 14793.5 15025.6 0.7 20.0 20.0
DLR (Oberpfaffenhofen) - - 1116.3 1127.5 1142.6 1155.9 - 0.7 3.5 3.5
DMDM (Belgrade) -3.7 -3.1 -1.4 5.0 6.9 4.1 4.8 0.3 3.5 3.5
DTAG (Frankfurt/M) -87.4 -5.9 -8.2 -6.4 -3.1 4.6 7.8 0.3 2.9 2.9 (1)
EIM (Thessaloniki) -2.3 1.8 6.8 9.1 4.8 -1.4 -3.4 3.0 11.2 11.6
ESTC (Noordwijk) 0.2 0.1 0.7 1.0 1.2 1.7 1.1 0.3 3.1 3.2
HKO (Hong Kong) 110.4 111.2 120.4 127.8 132.0 138.4 144.9 1.0 2.9 3.0
ICE (San Jose) -60.9 -61.4 -37.9 -29.6 -1.5 5.6 0.8 5.0 20.0 20.6
IDN (Serpong-Tangerang) 1483.3 1506.9 1509.9 1538.2 1546.7 1552.2 1561.2 0.7 2.9 3.0
IFAG (Wettzell) -817.8 -810.2 -811.7 -814.8 -807.5 -814.4 -818.6 0.3 2.9 2.9
IGNA (Buenos Aires) -11.6 -21.9 - - - - - 0.3 20.0 20.0
IMBH (Sarajevo) 2.5 -2.0 0.8 5.0 3.3 -1.2 -1.0 0.3 2.9 2.9
INCP (Lima) 118.3 120.2 109.9 103.7 102.5 129.5 110.4 5.0 20.0 20.6
INM (Bogota D.C.) -7.3 -3.0 2.6 12.7 7.3 4.0 1.6 2.0 20.0 20.1
INPL (Jerusalem) 0.2 -1.3 0.9 3.8 8.7 6.4 10.3 0.3 7.3 7.3
INTI (Buenos Aires) 85.6 87.9 99.7 101.3 104.9 91.0 93.0 2.5 20.0 20.2
INXE (Rio de Janeiro) -18.0 - -8.1 -7.0 -4.5 -9.5 -13.4 0.3 20.0 20.0
IPQ (Caparica) 220.1 203.7 188.9 186.0 186.6 192.5 194.6 0.4 20.0 20.0
IT (Torino) 4.8 5.4 6.0 7.3 5.2 2.0 -1.2 0.3 1.5 1.5
JATC (Lintong) 1.4 0.7 -2.4 -1.3 -2.1 -2.1 -1.7 0.3 2.9 2.9
JV (Kjeller) -15.7 -11.0 -12.0 -11.0 -14.5 -22.8 -25.6 0.3 4.2 4.2
KRIS (Daejeon) 7.3 10.3 12.2 12.6 13.6 15.3 16.4 0.3 3.2 3.2
LRTE (Sao Carlos) -6.7 -4.6 -2.8 -5.3 1.8 7.7 10.7 0.3 20.0 20.0
LT (Vilnius) 958.7 998.8 1012.3 1044.6 1040.7 1053.3 1042.5 0.3 2.9 2.9
LUX (Belvaux) 0.2 -3.4 -2.7 -0.6 12.0 14.2 8.3 0.3 2.9 2.9
MASM (Bayanzurkh) -306.3 -327.4 - - -413.9 - - 0.7 2.9 3.0
MBM (Podgorica) - - - - - - -
MIKE (Espoo) 0.9 0.8 0.8 0.5 -0.1 -1.0 -1.7 0.3 4.6 4.6
MKEH (Budapest) - - - - - - 178.7 1.5 20.0 20.1
MSL (Lower Hutt) 421.6 440.8 445.5 455.5 458.3 449.4 438.5 1.5 20.0 20.1
NAO (Mizusawa) -823.4 -836.1 -839.3 1352.2 1344.2 1330.1 1319.6 2.0 19.9 20.0 (2)
NICT (Tokyo) 2.4 1.7 0.9 1.8 4.9 5.7 4.8 0.3 2.0 2.0
NIM (Beijing) 2.6 1.7 1.6 0.9 0.5 0.4 0.5 0.3 1.9 2.0
NIMB (Bucharest) 7377.4 7424.1 7464.7 7514.8 7569.6 7622.2 7659.5 0.4 7.5 7.5
NIMT (Pathumthani) - - - - - - -
NIS (Cairo) -5.1 -10.8 -12.6 -20.6 -11.5 -5.9 -9.7 1.0 20.0 20.0
NIST (Boulder) 1.7 0.8 -0.3 0.1 0.8 0.7 0.5 0.3 1.8 1.9
NMIJ (Tsukuba) 1.0 0.8 1.7 0.6 1.0 1.3 2.2 0.3 3.6 3.6
NMLS (Sepang) -1150.2 -1176.1 -1197.4 -1224.3 -1257.5 -1278.4 -1310.2 1.5 4.0 4.3
NPL (Teddington) 1.9 1.2 0.9 0.9 0.8 1.1 2.2 0.3 3.2 3.2
NPLI (New-Delhi) -1.1 -0.5 2.4 6.3 9.8 13.8 16.0 0.3 2.8 2.8
NRC (Ottawa) -3.3 -7.8 -9.8 -12.6 -9.0 -6.8 1.0 0.3 3.0 3.1
NRL (Washington DC) -1.8 4.9 2.3 0.1 1.1 -1.8 -0.7 0.3 20.0 20.0
NTSC (Lintong) 1.5 0.9 -1.6 -0.8 -1.2 -1.0 -0.3 0.3 2.6 2.6
ONBA (Buenos Aires) 234.7 227.5 238.7 256.8 283.1 295.4 302.3 2.0 11.2 11.4
ONRJ (Rio de Janeiro) 0.2 -7.3 -7.7 -1.6 6.6 0.8 1.4 2.5 20.0 20.1
OP (Paris) 2.3 2.2 2.2 2.0 1.8 1.6 1.4 0.3 1.5 1.5
ORB (Bruxelles) -1.1 -1.6 -2.0 -2.3 -2.4 -2.2 -1.6 0.3 3.1 3.1
PL (Warszawa) -1.2 -5.3 -9.0 -14.1 -19.3 -24.0 -29.2 0.3 2.9 2.9
PTB (Braunschweig) 2.8 2.9 2.9 2.9 2.6 2.5 2.4 0.1 0.6 0.6
ROA (San Fernando) -2.6 -2.4 -2.1 -2.0 -2.0 -3.1 -3.2 0.3 1.9 1.9
SASO (Riyadh) -858.2 -875.3 -880.3 -894.6 -911.1 -929.2 -945.1 0.4 3.0 3.0
SCL (Hong Kong) -28.1 -31.1 -28.9 -25.9 -19.5 -9.1 -2.3 1.0 2.9 3.0
SG (Singapore) - 19.4 18.6 16.5 15.9 18.0 22.0 0.3 2.9 2.9
SIQ (Ljubljana) 122.7 145.8 128.6 120.4 97.5 107.7 107.8 0.3 7.6 7.6
SL (Colombo) 141.0 145.8 141.7 142.4 140.6 131.3 - 0.3 2.9 2.9
SMD (Bruxelles) 10.0 10.3 9.7 10.2 3.5 -1.1 4.0 0.3 3.1 3.2
SMU (Bratislava) -55.6 -60.3 -69.1 -64.2 - -68.7 -68.1 1.5 12.2 12.3
SP (Boras) 3.7 3.9 4.3 4.8 5.6 6.5 7.0 0.5 1.5 1.5
SU (Moskva) 1.5 2.1 2.1 2.1 2.0 2.4 2.4 0.7 1.9 2.1
TL (Chung-Li) 1.6 1.2 0.8 0.5 0.3 -0.2 -0.5 0.3 2.0 2.0
TP (Praha) 30.5 32.7 18.5 8.1 7.8 6.8 17.8 0.3 4.2 4.3
UA (Kharkov) -13.5 -6.8 2.7 11.7 16.0 7.8 -3.9 1.5 9.3 9.4
UAE (Abu Dhabi) 10.2 12.1 16.1 13.9 10.6 12.7 11.9 4.0 8.8 9.7
UME (Gebze-Kocaeli) -104.0 -78.0 -70.7 -62.5 -60.6 -47.9 -42.7 0.5 3.4 3.5 (3)
USNO (Washington DC) 0.4 -0.5 -0.8 -0.9 -0.9 -0.6 0.1 0.2 1.2 1.2
VMI (Ha Noi) -28.3 -26.1 -17.5 -12.3 -18.6 -16.5 -17.5 2.0 4.0 4.5
VSL (Delft) 3.2 4.0 3.0 -3.4 -8.0 -4.8 -5.3 0.3 1.7 1.7
ZA (Pretoria) 1.4 -0.6 -3.3 -4.7 -1.7 1.3 1.9 0.3 2.8 2.9
- Notes on section 1:
(1) DTAG : Apparent time step of UTC(DTAG) of -76ns on MJD 58787 due to calibration.
(2) NAO : Apparent time step of UTC(NAO) of about -2200ns on MJD 58795.
(3) UME : Apparent time step of UTC(UME) of about -11.5ns between MJD 58784 and 58789 due to calibration.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 58784 - 58814 6.493x10-13 (2019 OCT 28 - 2019 NOV 27)
New correction 58814 - 58844 6.493x10-13 (2019 NOV 27 - 2019 DEC 27)
New correction foreseen 58844 - 58879 6.493x10-13 (2019 DEC 27 - 2020 JAN 31)

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) Steer Note
Estimation
PTB-CS1 58784 58814 4.07 8.00 8.00 0.00 0.07 11.31 PFS/NA T148 8. Y (1)
PTB-CS2 58784 58814 -3.45 5.00 12.00 0.00 0.07 13.00 PFS/NA T148 12. Y (1)
IT-Yb1 58389 58419 0.17 0.01 0.03 0.32 0.26 0.41 0.5 [1] [2] 0.03 Y (2)
IT-Yb1 58419 58434 0.14 0.01 0.03 0.57 0.49 0.75 0.5 [1] [2] 0.03 Y (2)
IT-Yb1 58459 58469 -0.10 0.01 0.03 0.59 0.70 0.92 0.5 [1] [2] 0.03 Y (2)
IT-Yb1 58489 58514 0.65 0.01 0.03 0.39 0.31 0.50 0.5 [1] [2] 0.03 Y (2)
IT-Yb1 58514 58539 0.75 0.01 0.03 0.26 0.31 0.40 0.5 [1] [2] 0.03 Y (2)
NIM5 58764 58784 -0.14 0.20 0.90 0.20 0.28 0.98 PFS/NA T340 1.40 Y (3)
SYRTE-FO1 58789 58814 -0.62 0.30 0.32 0.06 0.23 0.50 PFS/NA T301 0.37 Y (4)
SYRTE-FO2 58789 58814 -0.51 0.30 0.22 0.09 0.23 0.45 PFS/NA T301 0.23 Y (4)
SYRTE-FOM 58789 58814 -0.44 0.30 0.61 0.06 0.23 0.72 PFS/NA T372 0.70 Y (4)
SYRTE-FORb 58789 58814 -0.34 0.30 0.25 0.06 0.23 0.46 0.6 [1] T328 0.34 Y (4)
PTB-CSF1 58784 58814 -0.13 0.07 0.26 0.02 0.07 0.28 PFS/NA T371 0.28 Y (5)
PTB-CSF2 58784 58814 -0.42 0.11 0.17 0.02 0.07 0.21 PFS/NA T370 0.17 Y (5)
SU-CsFO2 58784 58814 -0.11 0.20 0.22 0.10 0.46 0.55 PFS/NA T315 0.50 Y (6)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report 29 OCT. 2019 by IT
(3) Report 06 NOV. 2019 by NIM
(4) Report 03 DEC. 2019 by LNE-SYRTE
(5) Report 03 DEC. 2019 by PTB
(6) Report 28 NOV. 2019 by SU
[1] CCTF Recommendation 2 (2017) : Updates to the CIPM list of standard frequencies in Consultative
Committee for Time and Frequency Report of the 21st meeting (2017), 2017, 56 p.
[2] M. Pizzocaro, F. Bregolin, P. Barbieri, B. Rauf, F. Levi and D. Calonico, Absolute frequency measurement of the
1S03P0 transition of 171Yb with a link to International Atomic Time, Metrologia, 2019, accepted.

Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD58424-58814, and corresponding uncertainties.

Period of estimation d u
58784-58814 -0.33x10-15 0.14x10-15 (2019 OCT 28 - 2019 NOV 27)

4 - Relations of UTC and TAI with predictions of UTC(k) disseminated by GNSS.

[UTC-UTC(USNO)_GPS] = C0', [TAI-UTC(USNO)_GPS] = 37 s + C0'
[UTC-UTC(SU)_GLONASS]= C1', [TAI-UTC(SU)_GLONASS]= 37 s + C1'

For this edition of Circular T, σ0'= 0.6 ns, σ1'= 6.5 ns

2019 0h UTC MJD C0'/ns N0 C1'/ns N1'
OCT 28 58784 2.8 89 27.2 87
OCT 29 58785 0.4 89 27.0 84
OCT 30 58786 2.2 89 25.5 85
OCT 31 58787 3.1 90 25.4 88
NOV 1 58788 1.5 89 26.8 88
NOV 2 58789 1.9 89 27.6 88
NOV 3 58790 1.5 89 27.3 86
NOV 4 58791 2.4 90 27.1 90
NOV 5 58792 3.1 89 26.3 81
NOV 6 58793 2.2 89 27.8 86
NOV 7 58794 3.0 89 28.7 85
NOV 8 58795 2.0 90 28.4 86
NOV 9 58796 1.2 89 29.0 89
NOV 10 58797 2.0 89 29.8 89
NOV 11 58798 3.5 89 30.8 87
NOV 12 58799 2.4 89 30.7 82
NOV 13 58800 1.7 89 29.2 84
NOV 14 58801 2.3 89 29.6 85
NOV 15 58802 1.8 90 30.3 83
NOV 16 58803 2.1 89 30.4 86
NOV 17 58804 2.1 89 29.4 87
NOV 18 58805 2.2 89 28.9 87
NOV 19 58806 2.5 90 28.8 88
NOV 20 58807 3.2 89 28.7 87
NOV 21 58808 2.6 89 29.3 80
NOV 22 58809 2.7 89 28.9 84
NOV 23 58810 3.1 90 28.4 89
NOV 24 58811 3.5 89 29.8 83
NOV 25 58812 2.5 89 29.8 85
NOV 26 58813 3.9 89 27.5 88
NOV 27 58814 5.2 90 26.7 86

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 /PT13 NA_Al / 1001-2018 0.3 4.2 3.4 -5.3 1808
APL /PTB GPSPPP AP02 /PT13 NA_Al / 0.3 11.2 10.0
AUS /PTB GPSPPP AU01 /PT13 1002-2010 / 1001-2018 0.3 6.5 4.2
BEV /PTB GPSPPP BE1_ /PT13 1012-2016 / 1001-2018 0.5 3.3 2.2
BIM /PTB GPSPPP BM51 /PT13 2007-2019 / 1001-2018 0.7 7.1 1.2
BIRM/PTB GPSPPP BI41 /PT13 1016-2018 / 1001-2018 0.3 2.8 1.2
BOM /PTB GPS MC MABM /PT13 2004-2014 / 1001-2018 1.5 8.5 4.7
BY /PTB GPS MC BY46 /PT13 2001-2008 / 1001-2018 1.5 12.2 10.0
CAO /PTB GPS MC CA__ /PT13 NC / 1001-2018 1.5 20.0
CNES/PTB GPSPPP CS21 /PT13 1015-2018 / 1001-2018 0.3 2.8 1.2
CNM /PTB GPS MC CN00 /PT13 NA_Al / 1001-2018 2.5 11.2 10.0 -27.3 0804
CNMP/PTB GPS P3 MP1_ /PT13 NA_Al / 1001-2018 0.7 7.4 2.5 41.7 1807
DFNT/PTB GPS P3 DN__ /PT13 NC_Al / 1001-2018 0.7 20.0 10.3 1507
DLR /PTB GPS P3 DL05 /PT13 1012-2016 / 1001-2018 0.7 3.4 2.3
DMDM/PTB GPSPPP ZM68 /PT13 1011-2016 / 1001-2018 0.3 3.4 2.2
DTAG/PTB GPSPPP DT05 /PT13 1012-2019 / 1001-2018 0.3 2.8 1.2
EIM /PTB GPS MC EI__ /PT13 NA / 3.0 11.2 10.0
ESTC/PTB GPSPPP ES04 /PT13 1019-2016 / 1001-2018 0.3 3.1 1.9
HKO /PTB GPS P3 HKO2 /PT13 1011-2018 / 1001-2018 1.0 2.8 1.3
ICE /PTB GPS MC CE1_ /PT13 NC / 1001-2018 5.0 20.0
IDN /PTB GPS P3 KI01 /PT13 1017-2018 / 1001-2018 0.7 2.8 1.2
IFAG/PTB GPSPPP IF19 /PT13 1016-2017 / 1001-2018 0.3 2.9 1.5
IGNA/PTB GPSPPP IG02 /PT13 NC_Al / 1001-2018 0.3 20.0 -42.3 1904
IMBH/PTB GPSPPP BH02 /PT13 1011-2019 / 1001-2018 0.3 2.8 1.2
INCP/PTB GPS MC CP__ /PT13 NC / 1001-2018 5.0 20.0
INM /PTB GPS MC IC__ /PT13 NC / 1001-2018 2.0 20.0
INPL/PTB GPSPPP IL06 /PT13 2003-2016 / 1001-2018 0.3 7.3 2.1
INTI/PTB GPS MC IN__ /PT13 NC / 1001-2018 2.5 20.0
INXE/PTB GPSPPP NXRA /PT13 NC / 1001-2018 0.3 20.0
IPQ /PTB GPSPPP IP05 /PT13 NC / 1001-2018 0.4 20.0
JATC/PTB GPSPPP JA01 /PT13 1201-2018 / 1001-2018 0.3 2.8 1.2
JV /PTB GPSPPP JV02 /PT13 1101-2017 / 1001-2018 0.3 4.2 1.4
KRIS/PTB GPSPPP KRG1 /PT13 1017-2017 / 1001-2018 0.3 3.1 1.8
LRTE/PTB GPSPPP LRRC /PT13 NC / 1001-2018 0.3 20.0
LT /PTB GPSPPP LT02 /PT13 1014-2018 / 1001-2018 0.3 2.8 1.2
LUX /PTB GPSPPP LU01 /PT13 1012-2018 / 1001-2018 0.3 2.8 1.3
MASM/PTB GPS P3 MN__ /PT13 1019-2018 / 1001-2018 0.7 2.8 1.2
MBM /PTB NL
MIKE/PTB GPSPPP MI04 /PT13 1102-2015 / 1001-2018 0.3 4.7 2.5
MKEH/PTB GPS MC MK01 /PT13 NC / 1001-2018 1.5 20.0
MSL /PTB GPS P3 MS0_ /PT13 NC / 1001-2018 1.5 20.0
NAO /PTB GPS MC NAT2 /PT13 NC / 1001-2018 2.0 20.0
NICT/PTB GPSPPP NC4S /PT13 1001-2018 / 1001-2018 0.3 2.0 1.2
NIM /PTB GPSPPP IM06 /PT13 1001-2018 / 1001-2018 0.3 2.0 1.2
NIMB/PTB GPSPPP MB02 /PT13 NA_Al / 1001-2018 0.4 7.5 2.8 32.2 1611
NIMT/PTB NL
NIS /PTB GPS P3 IS__ /PT13 NC_Al / 1001-2018 1.0 20.0 +16.4 1303
NMIJ/PTB GPSPPP NM0D /PT13 1001-2014 / 1001-2018 0.3 3.6 3.1
NMLS/PTB GPS MC LSM1 /PT13 1013-2017 / 1001-2018 1.5 4.0 3.0
NPLI/PTB GPSPPP LI2P /PT13 1013-2018 / 1001-2018 0.3 2.8 1.3
NRC /PTB GPSPPP NRC4 /PT13 1019-2017 / 1001-2018 0.3 3.0 1.6
NRL /PTB GPSPPP RL2_ /PT13 NC / 1001-2018 0.3 20.0
NTSC/PTB GPSPPP NTP1 /PT13 1001-2016 / 1001-2018 0.3 2.7 2.2
ONBA/PTB GPS MC ON__ /PT13 1002-2004 / 1001-2018 2.0 11.2 10.0
ONRJ/PTB GPS P3 RJ02 /PT13 NC / 1001-2018 2.5 20.0
ORB /PTB GPSPPP OR1Z /PT13 1018-2017 / 1001-2018 0.3 3.1 1.9
PL /PTB GPSPPP PL_3 /PT13 1014-2018 / 1001-2018 0.3 2.8 1.2
SASO/PTB GPSPPP SAS0 /PT13 1020-2017 / 1001-2018 0.4 2.9 1.5
SCL /PTB GPS P3 SC05 /PT13 1011-2018 / 1001-2018 1.0 2.8 1.3
SG /PTB GPSPPP SG01 /PT13 1019-2018 / 1001-2018 0.3 2.8 1.2
SIQ /PTB GPSPPP SI01 /PT13 2002-2014 / 1001-2018 0.3 7.6 3.0
SL /PTB GPSPPP SL01 /PT13 1017-2018 / 1001-2018 0.3 2.8 1.2
SMD /PTB GPSPPP SD01 /PT13 1014-2017 / 1001-2018 0.3 3.1 1.8
SMU /PTB GPS MC SM00 /PT13 NA_Al / 1001-2018 1.5 12.2 10.0 57.8 0908
SU /PTB GPS P3 SU31 /PT13 1001-2018 / 1001-2018 0.8 2.0 1.2
TL /PTB GPSPPP TLT1 /PT13 1001-2018 / 1001-2018 0.3 2.0 1.2
TP /PTB GPSPPP TP02 /PT13 1102-2017 / 1001-2018 0.3 4.2 1.2
UA /PTB GPS MC UA04 /PT13 2003-2011 / 1001-2018 1.5 9.3 6.2
UAE /PTB GPS MC AE__ /PT13 2001-2016 / 1001-2018 4.0 8.8 5.3
UME /PTB GPSPPP UM01 /PT13 1011-2016 / 1001-2018 0.5 3.4 2.3
VMI /PTB GPS MC VM__ /PT13 1013-2017 / 1001-2018 2.0 4.0 2.9
ZA /PTB GPSPPP ZA02 /PT13 1018-2018 / 1001-2018 0.3 2.8 1.2
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
CH /PTB TWGPPP CH01 /PTB05 0284-2012 0.3 2.2 1.8
IT /PTB TWGPPP IT02 /PTB05 0434-2016 0.3 1.4 1.0
NIST/PTB TWGPPP NIST01/PTB05 0393-2015 0.3 1.8 1.3
NPL /PTB TWGPPP NPL02 /PTB05 NA_Al 0.3 3.2 0.6 0.0 1902
OP /PTB TWGPPP OP01 /PTB05 0437-2016 0.3 1.4 0.9
ROA /PTB TWGPPP ROA01 /PTB05 0440-2016 0.3 1.8 0.9
SP /PTB TWGPPP SP01 /PTB05 0441-2016 0.5 1.4 0.9
USNO/PTB TWGPPP USNO01/PTB05 0395-2016 0.3 1.5 0.8
VSL /PTB TWGPPP VSL01 /PTB05 0295-2015 0.3 1.6 0.9