CIRCULAR T 420 ISSN 1143-1393
2023 JANUARY 13, 15h 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_v0.6.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 2022 0h UTC NOV 26 DEC 1 DEC 6 DEC 11 DEC 16 DEC 21 DEC 26 DEC 31 Uncertainty/ns Notes
MJD 59909 59914 59919 59924 59929 59934 59939 59944 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AGGO (La Plata) 1011.8 1030.6 1033.1 1031.2 1036.6 1058.3 1079.7 1087.1 0.7 2.8 2.9
AOS (Borowiec) -4.5 -3.5 -2.7 -1.2 0.0 0.8 2.3 3.1 0.3 3.3 3.3
APL (Laurel) -0.7 -0.7 -0.5 -0.6 3.2 -1.0 -1.6 -0.3 0.3 19.3 19.3
AUS (Sydney) -554.5 -552.1 -545.3 -550.3 -566.6 -562.0 -546.7 -553.2 0.3 11.2 11.2
BEV (Wien) 48.6 35.5 32.7 22.8 21.4 24.8 22.1 13.1 0.3 2.8 2.8
BFKH (Budapest) 6218.9 6250.7 6283.3 6312.6 6353.0 6381.0 6410.1 6438.3 1.5 20.0 20.1
BIM (Sofiya) 17002.2 17024.4 17010.2 17037.4 17048.1 17069.1 17104.7 17123.7 0.3 7.3 7.3
BIRM (Beijing) 6.9 5.6 4.6 4.1 4.0 3.7 4.2 6.6 0.3 3.2 3.2
BOM (Skopje) - - - - - - - -
BY (Minsk) -0.1 0.1 0.9 -0.2 -0.7 -0.5 -0.3 -0.2 1.5 3.0 3.3
CAO (Cagliari) -639.2 -759.6 -874.9 -994.0 -1110.7 -1230.7 -1350.5 -1472.1 1.5 20.0 20.1
CH (Bern-Wabern) -2.0 -3.0 -2.9 -2.8 -2.9 -1.6 -0.9 -0.2 0.5 1.8 1.9
CNES (Toulouse) -18.1 -19.0 -7.7 -3.3 -3.5 -3.5 -4.3 -3.4 0.3 2.8 2.8
CNM (Queretaro) -0.2 2.8 2.9 1.3 -0.5 -0.7 -3.2 -2.1 1.5 4.1 4.4
CNMP (Panama) -3.5 1.6 -4.9 -14.3 2.8 2.0 6.6 2.3 0.3 5.3 5.3
DFM (Horsholm) -5.7 -5.1 -7.4 -10.1 -13.3 -5.4 -6.4 -7.9 0.3 2.8 2.8
DFNT (Tunis) 6423.4 6526.7 6635.2 6732.9 6837.4 6951.1 7047.0 7143.7 0.7 20.0 20.0
DLR (Oberpfaffenhofen) 15.8 12.3 9.3 6.1 2.1 -0.5 -2.6 -3.8 0.7 2.8 2.9
DMDM (Belgrade) - - - -14.2 -9.3 -4.2 -0.9 -2.9 0.3 3.7 3.7
DTAG (Frankfurt/M) 53.5 53.6 39.5 29.0 26.7 18.9 13.8 15.5 0.3 3.2 3.2
EIM (Thessaloniki) - - - - - - - -
ESA (Noordwijk) -0.1 1.0 2.1 3.1 3.3 3.3 2.4 1.5 0.3 2.7 2.8
HKO (Hong Kong) 724.7 743.2 760.3 785.0 803.0 815.8 839.8 861.4 0.4 3.3 3.4
ICE (San Jose) 31.2 56.6 29.0 35.7 39.6 15.2 -6.1 -19.4 3.5 7.4 8.2
IDN (Serpong-Tangerang) 669.8 664.4 683.5 731.3 774.4 793.1 803.7 833.5 0.3 3.3 3.3
IFAG (Wettzell) -856.3 - - -855.0 -853.6 -851.8 -848.9 -842.2 0.3 2.9 2.9
IGNA (Buenos Aires) -102.7 -177.7 -248.4 -319.1 -389.8 -463.6 -546.3 -620.3 0.3 20.0 20.0
IMBH (Sarajevo) 0.7 0.3 -0.8 -0.5 -2.2 -3.0 0.5 4.6 0.3 2.8 2.8
INCP (Lima) -68.3 - - - - - - - 5.0 20.0 20.6
INM (Bogota D.C.) 178.0 175.0 174.1 160.6 169.3 158.6 135.0 115.8 1.5 20.0 20.1
INPL (Jerusalem) -8.2 -8.5 -12.3 -5.5 -12.4 -19.0 -16.0 -11.3 0.3 7.5 7.5
INTI (Buenos Aires) 232.4 244.3 237.1 237.3 236.7 247.1 239.2 234.5 0.3 3.2 3.2
INXE (Rio de Janeiro) -24.5 -20.4 -5.5 13.2 20.3 34.3 47.0 49.3 0.3 3.0 3.0
IPQ (Caparica) 705.5 707.2 705.2 700.2 694.1 695.7 704.7 705.3 0.3 2.8 2.8
IT (Torino) 0.6 0.5 0.7 1.2 0.8 0.2 -0.2 0.2 0.3 1.9 2.0
JATC (Lintong) -0.2 -0.5 0.2 0.3 0.6 1.0 1.1 1.2 0.3 3.3 3.3
JV (Kjeller) 5.7 5.7 6.4 7.5 7.6 6.9 5.9 5.6 0.3 4.6 4.6
KRIS (Daejeon) 0.0 1.1 1.8 2.1 2.8 3.5 3.9 4.9 0.3 3.5 3.5
KZ (Astana) 1.5 3.4 3.8 2.2 0.0 -1.3 -1.8 -2.2 0.7 4.2 4.3
LRTE (Sao Carlos) 1.7 2.3 -1.2 0.9 2.8 0.0 1.8 3.8 0.7 20.0 20.0
LT (Vilnius) 660.7 647.1 649.8 651.8 651.1 647.4 626.6 615.3 0.3 3.3 3.3
LUX (Belvaux) -5.2 -8.4 0.8 13.3 20.6 13.7 13.0 10.6 0.3 2.8 2.8
MASM (Bayanzurkh) -626.4 -622.9 -621.8 -619.0 -629.7 -633.4 -646.2 -660.1 0.3 3.3 3.3
MBM (Podgorica) - - - - - - - -
MIKE (Espoo) -5.0 -5.1 -5.1 -4.5 -5.2 -5.2 -4.6 -3.9 0.3 3.0 3.0
MSL (Lower Hutt) 37.0 34.1 33.2 31.8 34.4 43.6 36.2 45.5 0.7 7.2 7.2
MTC (Makkah) -2939.9 -2963.4 -2979.4 - - - - - 3.0 7.8 8.3
NAO (Mizusawa) -217.2 -223.4 -237.1 -246.3 -259.6 -264.9 -275.1 -290.9 2.0 20.0 20.1
NICT (Tokyo) -0.1 -0.2 -0.1 0.6 0.2 -1.5 -0.9 -0.3 0.3 2.0 2.0
NIM (Beijing) 1.3 0.2 0.7 1.1 2.2 2.1 1.6 1.2 0.3 1.9 2.0 (1)
NIMB (Bucharest) 87.0 74.6 56.9 47.0 23.1 -1.4 -40.6 -69.1 1.5 7.7 7.8
NIMT (Pathumthani) 11.2 10.5 14.1 13.9 15.7 11.6 12.4 28.3 0.3 7.2 7.2 (2)
NIS (Cairo) 51.7 40.8 29.8 22.4 13.5 1.5 -6.9 -13.0 0.4 7.2 7.2
NIST (Boulder) -0.7 -1.0 0.1 0.9 1.9 2.0 1.9 1.3 0.3 2.7 2.7
NMIJ (Tsukuba) 3.1 -7.9 -8.1 -4.3 3.7 26.7 37.9 41.5 0.7 2.7 2.8 (3)
NMLS (Sepang) -280.9 -373.2 -437.4 -510.5 -585.1 -591.6 -602.9 - 0.7 3.6 3.7
NPL (Teddington) -0.5 -1.1 -0.7 -0.4 -0.5 -1.4 1.2 0.5 0.3 1.8 1.8
NPLI (New-Delhi) 1.9 2.0 2.1 2.1 2.3 2.3 2.5 2.7 0.3 3.2 3.3
NRC (Ottawa) -19.0 -18.9 -19.2 -19.9 -19.0 -18.5 -18.3 -15.3 0.3 3.4 3.4
NRL (Washington DC) 0.2 2.3 2.2 2.3 1.5 -1.0 -2.8 -1.8 0.3 20.0 20.0
NSAI (Dublin) -1.1 -3.8 -5.7 -2.5 -6.8 -7.3 -6.2 0.7 0.3 7.3 7.3
NTSC (Lintong) -0.3 0.2 0.4 0.3 0.6 0.5 0.7 0.9 0.3 2.9 2.9
ONBA (Buenos Aires) 2333.2 2338.1 2372.2 2387.6 2403.8 2410.7 2434.4 2443.7 2.0 11.2 11.4
ONRJ (Rio de Janeiro) 4.2 3.4 -0.5 2.6 7.5 12.2 13.2 14.5 0.3 3.0 3.0
OP (Paris) -0.5 -0.3 0.0 0.1 0.6 1.5 2.0 2.2 0.3 1.6 1.7
ORB (Bruxelles) 2.3 3.0 3.5 5.6 2.6 4.5 3.1 1.7 0.3 3.0 3.0
PL (Warszawa) -0.3 0.0 0.3 0.9 1.4 2.6 3.4 4.4 0.7 2.8 2.9
PTB (Braunschweig) -0.8 -0.5 0.0 0.4 0.8 1.1 1.2 1.3 0.1 1.0 1.0
ROA (San Fernando) -1.3 -1.3 -1.2 -1.1 -1.0 -0.5 -0.1 0.2 0.3 1.8 1.8
SASO (Riyadh) -256.8 -278.7 -295.6 -302.3 -319.8 -337.4 -352.3 -367.9 0.3 3.4 3.5
SCL (Hong Kong) 35.2 41.4 42.5 46.9 45.2 43.1 52.4 50.7 0.3 3.3 3.4
SG (Singapore) 8.3 12.6 14.4 13.3 14.4 12.4 -1.1 -7.7 0.3 3.3 3.3
SIQ (Ljubljana) -5.6 3.1 24.9 23.9 15.5 8.3 11.3 0.6 0.3 3.9 3.9
SL (Colombo) 36.5 - - - - - - - 0.7 3.2 3.2
SMD (Bruxelles) 1.0 2.0 2.8 2.2 1.7 1.4 2.3 3.1 0.3 3.5 3.5
SMU (Bratislava) 283.6 288.5 303.2 308.4 325.6 329.9 313.1 298.7 1.5 12.2 12.3
SP (Boras) -0.4 -0.4 -0.1 0.4 0.2 0.4 0.4 0.2 0.3 1.8 1.8
SU (Moskva) 0.8 1.2 1.6 2.0 2.3 2.6 2.7 2.7 0.3 2.2 2.2
TL (Chung-Li) 1.9 1.9 1.8 1.4 1.2 1.0 0.6 -1.0 0.3 2.0 2.1
TP (Praha) 31.3 23.4 19.8 14.8 26.8 27.5 27.9 31.7 0.3 2.8 2.8
UA (Kharkiv) -36.6 -39.8 -39.7 -24.7 - -36.6 -34.2 -23.6 1.5 7.4 7.5
UAE (Abu Dhabi) 18.2 23.6 12.8 4.2 16.7 16.6 11.8 20.5 7.5 4.6 8.8
UME (Gebze-Kocaeli) -1.6 -0.9 -0.8 1.7 0.1 -0.3 1.9 0.1 0.3 3.7 3.7
USNO (Washington DC) -0.4 -0.7 -1.0 -0.7 -0.9 -0.5 0.1 0.3 0.3 1.8 1.9
VMI (Ha Noi) 18.9 16.0 7.2 -4.3 -0.4 7.1 -5.1 -8.8 0.4 2.8 2.8
VSL (Delft) -1.0 -4.7 -0.6 2.2 -1.2 0.5 5.6 4.4 0.3 1.7 1.7
ZA (Pretoria) 4.0 9.4 10.5 5.6 0.9 -1.8 -6.3 -5.3 0.7 3.3 3.3
- Notes on section 1:
(1) NIM : Time step of UTC(NIM) of -0.8 ns on MJD 59928.0 due to calibration.
(2) NIMT : Time step of UTC(NIMT) of +1.9ns on MJD 59942.0 due to calibration.
(3) NMIJ : Time step of UTC(NMIJ) of about +12 ns on MJD 59910.0 due to calibration and change of receiver.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 59909 - 59944 6.498x10-13 (2022 NOV 26 - 2022 DEC 31)
New correction 59944 - 59974 6.498x10-13 (2022 DEC 31 - 2023 JAN 30)
New correction foreseen 59974 - 59999 6.498x10-13 (2023 JAN 30 - 2023 FEB 24)

3 - Duration of the TAI scale interval d.

Table 1: Estimate of d by individual PSFS measurements and corresponding uncertainty.
All values are expressed in 10-15 and are valid only for the stated period of estimation.
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 59909 59944 -15.38 8.00 8.00 0.00 0.00 0.06 11.31 PFS/NA T148 8.00 100.0 T419 34 Y (1)
PTB-CS2 59909 59944 1.56 5.00 12.00 0.00 0.00 0.06 13.00 PFS/NA T148 12.00 100.0 T419 36 Y (1)
IT-Yb1 59914 59939 -0.57 0.00 0.03 0.27 0.02 0.23 0.36 0.19 [1] T383 0.03 14.2 T419 15 Y (2)
NIM5 59909 59944 -0.01 0.32 0.90 0.10 0.01 0.31 1.01 PFS/NA T340 1.40 99.9 T419 21 Y (3)
NRC-FCs2 59909 59939 0.21 0.13 0.31 0.13 0.00 0.20 0.41 PFS/NA T389 0.23 88.8 T419 39 Y (4)
SYRTE-FO1 59909 59944 -0.22 0.20 0.38 0.08 0.00 0.17 0.47 PFS/NA T301 0.37 64.3 T419 24 Y (5)
SYRTE-FO2 59934 59944 -0.43 0.25 0.40 0.06 0.00 0.53 0.71 PFS/NA T301 0.23 90.2 T419 35 Y (5)
PTB-CSF1 59909 59934 0.03 0.08 0.29 0.02 0.00 0.08 0.31 PFS/NA T371 0.27 96.7 T419 27 Y (6)
PTB-CSF2 59909 59934 -0.10 0.11 0.17 0.01 0.00 0.08 0.22 PFS/NA T370 0.17 98.2 T419 40 Y (6)
SU-CsFO2 59909 59944 -0.41 0.31 0.22 0.15 0.00 0.17 0.44 PFS/NA T315 0.50 61.9 T419 33 Y (7)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report dated 03 JAN. 2023 by INRIM
(3) Report dated 05 JAN. 2023 by NIM
(4) Report dated 04 JAN. 2023 by NRC
(5) Report dated 03 JAN. 2023 by LNE-SYRTE
(6) Report dated 22 DEC. 2022 by PTB
(7) Report dated 04 JAN. 2023 by SU
[1] CCTF Recommendation PSFS-2 (2021),22nd meeting (session II online),
available at https://www.bipm.org/en/committees/cc/cctf/22-_2-2021

Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD 59549-59944, and corresponding uncertainties.

Period of estimation d u
59909-59944 -0.17x10-15 0.14x10-15 (2022 NOV 26 - 2022 DEC 31)

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'= 0.7 ns, σ1'= 7.1 ns

2022 0h UTC MJD C0'/ns N0 C1'/ns N1'
NOV 26 59909 -0.3 37 39.2 86
NOV 27 59910 0.1 0 36.1 88 (*)
NOV 28 59911 0.5 44 35.0 88
NOV 29 59912 0.5 82 37.1 87
NOV 30 59913 0.9 83 38.7 87
DEC 1 59914 0.2 81 40.1 86
DEC 2 59915 -0.5 84 39.8 90
DEC 3 59916 0.4 82 37.9 87
DEC 4 59917 0.3 81 37.5 89
DEC 5 59918 0.8 81 37.7 81
DEC 6 59919 1.2 89 36.6 88
DEC 7 59920 1.1 82 35.6 81
DEC 8 59921 -0.7 81 35.1 82
DEC 9 59922 -3.1 81 35.3 89
DEC 10 59923 -2.3 87 39.1 77
DEC 11 59924 1.1 82 40.2 72
DEC 12 59925 0.9 81 39.4 82
DEC 13 59926 -0.4 81 41.4 85
DEC 14 59927 1.5 82 42.4 84
DEC 15 59928 1.9 82 41.2 84
DEC 16 59929 0.8 81 41.1 79
DEC 17 59930 0.7 81 43.2 87
DEC 18 59931 1.4 82 45.5 82
DEC 19 59932 1.5 82 44.3 74
DEC 20 59933 0.4 81 43.9 87
DEC 21 59934 1.3 81 45.4 71
DEC 22 59935 1.7 82 42.1 84
DEC 23 59936 1.5 82 38.2 84
DEC 24 59937 0.9 81 36.4 82
DEC 25 59938 2.8 81 37.0 72
DEC 26 59939 4.2 82 37.5 72
DEC 27 59940 2.8 89 35.8 79
DEC 28 59941 1.6 81 33.0 80
DEC 29 59942 1.4 81 32.4 82
DEC 30 59943 1.3 89 34.3 84
DEC 31 59944 1.4 89 34.2 85
(*) On 59910, switch to receiver OP70 for GPS measurements.

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 / 1001-2020 0.7 2.6 0.9
AOS /PTB GPSPPP AO_4 /PT13 1014-2018 / 1001-2020 0.3 3.1 1.9
APL /PTB GPSPPP AP04 /PT13 NC / 1001-2020 0.3 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 0.9
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 1.7
BIRM/PTB GPSPPP BI41 /PT13 1016-2018 / 1001-2020 0.3 3.0 1.7
BOM /PTB NL
BY /PTB GPS MC BY46 /PT13 1020-2021 / 1001-2020 1.5 2.8 0.9
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 0.9
CNM /PTB GPS MC CN00 /PT13 NA_Al / 1001-2020 1.5 4.0 2.3 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT13 1011-2017 / 1001-2020 0.3 5.2 2.3
DFM /PTB GPSPPP DK01 /PT13 1017-2022 / 1001-2020 0.3 2.6 0.9
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 0.9
DMDM/PTB GPSPPP ZM68 /PT13 1011-2016 / 1001-2020 0.3 3.6 2.6
DTAG/PTB GPSPPP DT05 /PT13 1012-2019 / 1001-2020 0.3 3.0 1.5
EIM /PTB NL
ESA /PTB GPSPPP ES07 /PT13 1014-2022 / 1001-2020 0.3 2.6 0.9
HKO /PTB GPSPPP HKO1 /PT13 1011-2018 / 1001-2020 0.4 3.2 2.0
ICE /PTB GPS MC CE1_ /PT13 NA_Al / 1001-2020 3.5 7.3 1.6 -16.5 2111
IDN /PTB GPSPPP KI01 /PT13 1017-2018 / 1001-2020 0.3 3.1 1.8
IFAG/PTB GPSPPP IF20 /PT13 1014-2020 / 1001-2020 0.3 2.7 1.1
IGNA/PTB GPSPPP IG02 /PT13 NC_Al / 1001-2020 0.3 20.0 -7.0 2106
IMBH/PTB GPSPPP BH02 /PT13 1013-2022 / 1001-2020 0.3 2.6 0.9
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 2.5
INTI/PTB GPSPPP INTI /PT13 1014-2021 / 1001-2020 0.3 3.0 0.9
INXE/PTB GPSPPP NXRA /PT13 1012-2020 / 1001-2020 0.3 2.8 1.3
IPQ /PTB GPSPPP IP05 /PT13 1017-2021 / 1001-2020 0.3 2.6 0.9
JATC/PTB GPSPPP JA01 /PT13 1201-2018 / 1001-2020 0.3 3.1 1.9
JV /PTB GPSPPP JV02 /PT13 1101-2017 / 1001-2020 0.3 4.5 2.1
KRIS/PTB GPSPPP KRG1 /PT13 1017-2017 / 1001-2020 0.3 3.4 2.3
KZ /PTB GPS P3 KZ04 /PT13 1202-2021 / 1001-2020 0.7 4.1 0.9
LRTE/PTB GPS P3 LRRC /PT13 NC / 1001-2020 0.7 20.0
LT /PTB GPSPPP LT02 /PT13 1014-2018 / 1001-2020 0.3 3.1 1.9
LUX /PTB GPSPPP LU02 /PT13 1012-2021 / 1001-2020 0.3 2.6 0.9
MASM/PTB GPSPPP MN__ /PT13 1019-2018 / 1001-2020 0.3 3.1 1.8
MBM /PTB NL
MIKE/PTB GPSPPP MI04 /PT13 1016-2019 / 1001-2020 0.3 2.9 1.4
MSL /PTB GPS P3 MS01 /PT13 2001-2020 / 1001-2020 0.7 7.1 1.0
MTC /PTB GPS MC MC02 /PT13 2001-2013 / 1001-2020 3.0 7.7 3.2
NAO /PTB GPS MC NAT2 /PT13 NC / 1001-2020 2.0 20.0
NICT/PTB GPSPPP NC4S /PT13 1001-2020 / 1001-2020 0.3 1.9 1.1
NIM /PTB GPSPPP IM15 /PT13 1001-2020 / 1001-2020 0.3 1.8 1.1
NIMB/PTB GPS MC MB02 /PT13 2001-2015 / 1001-2020 1.5 7.6 2.9
NIMT/PTB GPSPPP MTTI /PT13 2002-2021 / 1001-2020 0.3 7.1 0.9
NIS /PTB GPSPPP IS_5 /PT13 2001-2021 / 1001-2020 0.4 7.1 0.9
NMIJ/PTB GPS P3 NM0E /PT13 1015-2022 / 1001-2020 0.7 2.6 0.9
NMLS/PTB GPS P3 LSM2 /PT13 NA_Al / 1001-2020 0.7 3.5 2.3 -13.7 2211
NPLI/PTB GPSPPP LI2P /PT13 1013-2018 / 1001-2020 0.3 3.2 2.0
NRC /PTB GPSPPP NRCC /PT13 1019-2017 / 1001-2020 0.3 3.3 2.2
NRL /PTB GPSPPP RL2_ /PT13 NC / 1001-2020 0.3 20.0
NSAI/PTB GPSPPP IE01 /PT13 2022-2019 / 1001-2020 0.3 7.2 1.5
NTSC/PTB GPSPPP NT05 /PT13 1016-2018 / 1001-2020 0.3 3.0 1.7
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 2.8 1.2
ORB /PTB GPSPPP OR5Z /PT13 1011-2020 / 1001-2020 0.3 2.8 1.3
PL /PTB GPS P3 PL_3 /PT13 1301-2021 / 1001-2020 0.7 2.8 0.9
SASO/PTB GPSPPP SAS0 /PT13 1020-2017 / 1001-2020 0.3 3.3 2.1
SCL /PTB GPSPPP SC05 /PT13 1011-2018 / 1001-2020 0.3 3.2 2.0
SG /PTB GPSPPP SG01 /PT13 1019-2018 / 1001-2020 0.3 3.1 1.8
SIQ /PTB GPSPPP SI01 /PT13 1013-2019 / 1001-2020 0.3 3.8 1.4
SL /PTB GPS P3 SL01 /PT13 1017-2018 / 1001-2020 0.7 3.0 1.7
SMD /PTB GPSPPP SD01 /PT13 1014-2017 / 1001-2020 0.3 3.4 2.3
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 2.5 2.0
TL /PTB GPSPPP TLT1 /PT13 1001-2020 / 1001-2020 0.3 1.8 1.1
TP /PTB GPSPPP TP01 /PT13 1013-2021 / 1001-2020 0.3 2.6 0.9
UA /PTB GPS MC UA05 /PT13 2003-2018 / 1001-2020 1.5 7.3 1.9
UAE /PTB GPS MC AE__ /PT13 1019-2021 / 1001-2020 7.5 4.5 0.9
UME /PTB GPSPPP UM01 /PT13 1011-2016 / 1001-2020 0.3 3.6 2.6
VMI /PTB GPSPPP VM02 /PT13 1011-2022 / 1001-2020 0.4 2.6 0.9
ZA /PTB GPS P3 ZA02 /PT13 1018-2018 / 1001-2020 0.7 3.1 1.8
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
CH /PTB TWSTFT CH01 /PTB05 0543-2021 0.5 1.5 0.9
IT /PTB TWGPPP IT01 /PTB05 0584-2022 0.3 1.7 1.0
NIST/PTB TWGPPP NIST01/PTB05 0533-2021 0.3 2.5 1.9
NPL /PTB TWGPPP NPL02 /PTB05 0550-2021 0.3 1.5 0.9
OP /PTB TWSDRR OP51 /PTB55 0546-2021 0.3 1.4 0.9
ROA /PTB TWGPPP ROA01 /PTB05 0547-2021 0.3 1.5 1.0
SP /PTB TWGPPP SP01 /PTB05 0548-2021 0.3 1.6 1.0
USNO/PTB TWGPPP USNO01/PTB05 0534-2021 0.3 1.9 1.6
VSL /PTB TWGPPP VSL01 /PTB05 0549-2021 0.3 1.4 0.9