CIRCULAR T 443

ISSN 1143-1393
2024 DECEMBER 12, 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_v0.8.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 2024 0h UTC OCT 31 NOV 5 NOV 10 NOV 15 NOV 20 NOV 25 NOV 30 Uncertainty/ns Notes
MJD 60614 60619 60624 60629 60634 60639 60644 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AGGO (La Plata) 560.9 550.0 539.6 530.4 533.7 519.9 510.8 0.7 2.9 3.0
AOS (Borowiec) -1.0 -0.7 -1.0 -1.5 -2.7 -3.2 -4.3 0.2 3.5 3.5
APL (Laurel) -3.7 -2.9 -2.1 -1.3 2.6 2.0 1.6 0.2 NC -
AUS (Sydney) 17.6 24.2 25.8 23.1 21.2 14.7 24.7 0.2 2.9 2.9
BEV (Wien) 33.7 41.4 40.9 31.6 25.6 22.4 24.8 0.2 2.9 2.9
BFKH (Budapest) 12428.6 12466.2 515.9 564.0 613.3 659.0 712.7 0.7 7.1 7.1 (1)
BIM (Sofiya) 2208.6 2257.1 2308.6 2359.9 2411.6 2458.1 2499.3 0.2 2.6 2.6
BIRM (Beijing) -3.2 -0.6 -2.7 0.7 -2.5 -4.4 1.3 0.2 3.4 3.4
BSJ (Kingston) 15.5 22.6 19.8 7.7 - 16.7 10.5 7.0 7.0 9.9
BY (Minsk) -3.1 -2.4 -1.9 -2.4 -2.3 -2.3 -2.3 1.5 3.1 3.4
CAO (Cagliari) -16993.5 -17101.6 -17223.2 -17340.7 -17458.6 -17578.2 -17697.4 0.7 NC -
CH (Bern-Wabern) 1.2 0.8 -0.9 -2.5 -1.4 -0.5 0.3 0.2 1.0 1.0
CNES (Toulouse) 0.3 1.6 1.9 4.0 7.4 5.2 0.6 0.2 3.0 3.0
CNM (Queretaro) -4.8 -1.6 -2.5 0.4 0.7 0.6 0.3 3.0 4.3 5.2
CNMP (Panama) -6.5 -5.0 0.6 -4.3 0.6 5.0 0.7 0.2 5.5 5.5
DFM (Horsholm) - - 7.1 14.1 16.3 19.3 18.6 0.2 2.7 2.7
DFNT (Tunis) -5859.8 -5947.4 -6051.8 -6131.1 -6213.0 -6296.3 -6383.0 0.7 2.6 2.7
DMDM (Belgrade) -10.1 -6.8 -4.8 -13.7 -15.5 -15.9 -8.3 0.2 3.9 3.9
DTAG (Frankfurt/M) 61.9 68.7 72.0 70.1 74.7 70.6 77.9 0.2 3.4 3.4
ESA (Noordwijk) 1.7 1.2 1.1 6.5 3.9 -0.4 -0.5 0.2 2.7 2.7
HKO (Hong Kong) 752.5 775.1 792.2 816.1 846.7 871.8 892.6 0.2 3.6 3.6
IBM (La Paz) 412.8 422.3 415.5 405.9 402.0 405.9 404.0 4.0 7.6 8.6
ICE (San Jose) 39.8 26.4 23.3 13.6 16.5 29.1 20.8 0.2 7.0 7.0
IDN (Serpong-Tangerang) -446.5 -458.0 -466.6 -481.0 -481.9 -500.4 -505.2 0.2 NC -
IFAG (Wettzell) -749.9 -754.1 -752.0 -751.0 -751.4 -752.5 -746.0 0.2 3.1 3.1
IFZG (Zagreb) 73.7 71.0 70.7 72.4 70.1 71.1 75.1 0.2 2.6 2.6
IGNA (Buenos Aires) - - - - - - -
IMBH (Sarajevo) 1.3 -1.1 -3.1 -4.8 -1.9 -2.7 -3.5 0.2 2.8 2.8
INCP (Lima) 61.3 431.7 422.2 20.1 10.3 8.1 18.6 5.0 NC -
INM (Bogota D.C.) -18.7 -21.7 -19.3 -11.5 -18.7 - - 3.0 NC -
INPL (Jerusalem) -15.9 -10.0 -17.3 -7.9 -14.2 -17.8 -32.9 0.2 7.6 7.6
INTI (Buenos Aires) 185.8 185.3 179.6 185.2 191.6 188.2 183.0 0.2 3.2 3.2
INXE (Rio de Janeiro) -0.5 -5.0 2.3 3.4 -1.1 4.2 -5.7 0.2 3.2 3.2
IPQ (Caparica) 1554.2 1566.4 1577.7 - 1609.8 1626.5 1631.9 0.4 2.9 2.9
IT (Torino) -0.5 -0.2 -0.2 0.1 0.4 0.7 0.6 0.2 1.0 1.0
JATC (Lintong) -0.3 -0.2 -0.3 -0.6 -0.7 -0.2 -0.4 0.7 3.5 3.6
JV (Kjeller) -2.6 -3.0 -3.4 -2.8 -0.8 0.6 -0.7 0.2 4.8 4.8
KRIS (Daejeon) -0.4 1.7 1.1 -0.8 1.8 3.3 0.4 0.2 2.9 2.9
KZ (Astana) -0.5 -0.0 0.4 0.2 -0.5 -0.4 -0.8 0.7 4.2 4.3
LRTE (Sao Carlos) -3.9 -2.5 -1.0 -1.1 -3.0 0.0 2.7 0.7 NC -
LT (Vilnius) 585.2 586.4 588.5 598.6 608.5 612.6 623.8 0.2 2.6 2.6
LUX (Belvaux) -6.4 -9.2 -11.5 -3.2 -10.4 -13.8 -15.3 0.2 2.6 2.6
MASM (Bayanzurkh) -633.1 -738.7 -846.4 -973.6 -92.3 -212.3 -336.3 0.2 3.5 3.5 (2)
MBM (Podgorica) 2324.3 2343.5 2361.1 2385.6 2403.6 2434.6 2451.5 0.2 2.8 2.8
MIKE (Espoo) -6.9 -5.7 -5.9 -5.7 -4.0 -2.1 -1.5 0.2 2.6 2.6
MSL (Lower Hutt) 0.1 10.0 8.6 11.0 21.2 27.2 22.2 0.7 2.9 3.0
MTC (Makkah) - - - - - - -
NAO (Mizusawa) 1679.9 1710.1 1732.4 1754.1 1774.0 1788.0 1802.9 2.0 3.7 4.2
NICT (Tokyo) -2.4 -1.9 -1.4 -1.0 -0.7 -0.2 0.4 0.2 1.8 1.8
NIM (Beijing) 0.1 0.3 -0.0 0.3 0.4 0.6 1.1 0.2 1.8 1.8
NIMB (Bucharest) 485.2 479.3 482.7 493.0 493.3 491.1 496.8 0.2 7.8 7.8
NIMT (Pathumthani) 29.8 19.6 15.0 13.4 13.2 7.2 0.7 0.2 2.9 2.9
NIS (Cairo) 5.9 0.2 4.2 1.5 1.4 3.4 10.0 0.5 7.2 7.2
NIST (Boulder) 1.3 1.5 1.3 1.7 2.4 2.4 1.6 0.2 2.0 2.0
NMIJ (Tsukuba) -29.6 -27.9 -26.9 -27.8 -18.8 -2.3 19.4 0.2 2.8 2.8
NMLS (Sepang) 61.9 66.9 77.6 84.9 98.8 107.5 114.9 0.2 2.6 2.6
NPL (Teddington) 2.9 3.3 3.5 3.4 1.3 0.8 1.0 0.2 1.0 1.0
NPLI (New-Delhi) -0.9 -0.4 -0.3 0.1 0.4 0.6 0.9 0.2 2.6 2.6
NRC (Ottawa) -0.7 -0.9 -1.2 -1.1 -1.0 -0.8 -0.5 0.2 2.6 2.6
NRL (Washington DC) 0.7 1.8 1.8 2.2 2.3 3.4 4.1 0.2 2.6 2.6
NSAI (Dublin) -95.9 -108.2 -115.8 -114.7 -116.0 -109.6 -109.5 0.2 7.3 7.3
NTSC (Lintong) 0.3 0.6 0.4 0.5 0.5 0.6 0.7 0.2 3.4 3.4
ONBA (Buenos Aires) 1327.0 1330.2 1359.3 1389.6 1400.9 1425.1 1431.8 2.0 3.2 3.8
ONRJ (Rio de Janeiro) -3.8 -2.0 - -0.4 -4.3 0.3 0.9 0.7 3.1 3.2
OP (Paris) 0.7 0.4 0.4 1.3 1.5 1.4 0.9 0.2 1.0 1.0 (3)
ORB (Bruxelles) -0.3 0.7 1.3 2.0 2.7 2.7 2.3 0.2 2.6 2.6
PL (Warszawa) -1.9 -2.1 -2.2 -2.0 -2.2 -1.7 -1.6 0.2 1.0 1.0
PTB (Braunschweig) -1.0 -1.0 -1.0 -1.1 -1.1 -1.1 -1.2 0.2 1.0 1.0
ROA (San Fernando) -4.2 -3.7 -1.9 -1.9 -2.8 -3.2 -2.6 0.2 1.0 1.0
SASO (Riyadh) 41.7 52.8 59.3 61.2 72.5 78.4 88.5 0.7 3.8 3.9
SCL (Hong Kong) -10.5 -12.3 -13.0 -8.4 -2.5 -2.6 -3.4 0.2 3.6 3.6
SG (Singapore) -4.3 -3.3 0.8 -2.4 -6.9 -13.8 -10.5 0.2 2.6 2.6
SIQ (Ljubljana) 681.2 699.8 721.9 724.3 728.2 738.3 758.7 0.2 4.1 4.1
SMD (Bruxelles) -0.1 -0.3 -0.7 -0.9 -0.9 -0.7 -0.8 0.2 3.8 3.8
SMU (Bratislava) -93.5 -26.2 17.9 54.2 -17.4 -21.5 -91.1 0.7 NC -
SP (Boras) -1.4 -1.5 -1.6 -1.6 -1.5 -1.3 -1.4 0.2 1.0 1.0
SU (Moskva) -1.5 -1.8 -1.5 -1.7 -1.5 -1.7 -1.5 0.2 2.0 2.0
TL (Chung-Li) 1.7 1.7 1.0 0.5 -1.1 -2.0 -1.9 0.2 1.7 1.7
TP (Praha) 20.1 13.0 16.8 12.6 17.1 17.1 12.0 0.2 2.9 2.9
UA (Kharkiv) -4.1 -7.1 - -0.9 -13.2 - - 3.0 7.4 8.0
UAE (Abu Dhabi) - - - - - - -
UME (Gebze-Kocaeli) -1.9 -2.3 -0.9 -0.9 -0.9 -3.4 -4.1 0.2 4.0 4.0
USNO (Washington DC) -3.2 -3.0 -3.5 -3.5 -2.5 -2.4 -2.7 0.2 2.2 2.2
UZ (Tashkent) -36.7 -51.7 -61.8 -73.7 -87.6 -101.1 -118.1 0.2 7.1 7.1
VMI (Ha Noi) -28.8 -11.4 19.3 14.4 -7.3 -24.3 -27.5 0.7 2.8 2.9 (4)
VSL (Delft) -0.1 -4.7 -1.8 -1.3 0.3 3.0 -3.6 0.2 1.1 1.1
ZA (Pretoria) -8.0 -14.8 -2.2 0.1 -7.1 0.7 2.4 1.5 3.5 3.8
- Notes on section 1:
(1) BFKH : Time step of UTC(BFKH) of 12000 ns on MJD 60620.
(2) MASM : Time step of UTC(MASM) of -1030.3 ns on MJD 60631.
(3) OP : ERRATUM, Correct Note in Section 1 of Circular T 442 must be:
Time step of UTC(OP) of 1.1 ns on MJD 60584 due to TWSTFT calibration.
(4) VMI : Time step of UTC(VMI) of about 4.7 ns between MJD 60614 and 60619.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 60614 - 60644 6.499x10-13 (2024 OCT 31 - 2024 NOV 30)
New correction 60644 - 60674 6.499x10-13 (2024 NOV 30 - 2024 DEC 30)
New correction foreseen 60674 - 60704 6.498x10-13 (2024 DEC 30 - 2025 JAN 29)

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 60614 60644 -4.47 8.00 8.00 0.00 0.00 0.13 11.31 PFS/NA T148 8.00 100.0 T442 36 Y (1)
PTB-CS2 60614 60644 -3.74 5.00 12.00 0.00 0.00 0.13 13.00 PFS/NA T148 12.00 100.0 T442 36 Y (1)
NPL-Sr1 60614 60634 0.57 0.00 0.02 0.21 0.09 0.28 0.36 0.19 [1] T423 0.01 78.8 T433 12 Y (2)
NTSC-CsF2 60609 60639 -0.01 0.42 0.43 0.10 0.00 0.13 0.62 PFS/NA T435 0.43 91.7 T442 25 Y (3)
SYRTE-FO1 60614 60644 -0.56 0.25 0.46 0.09 0.00 0.13 0.55 PFS/NA T301 0.37 65.9 T442 20 Y (4)
SYRTE-FO2 60629 60644 -0.03 0.40 0.28 0.20 0.00 0.24 0.58 PFS/NA T301 0.23 35.6 T442 37 Y (4)
SYRTE-FORb 60629 60644 -0.05 0.40 0.23 0.22 0.00 0.24 0.57 0.34 [1] T328 0.34 30.9 T442 32 Y (4)
PTB-CSF1 60614 60644 0.22 0.08 0.34 0.02 0.00 0.13 0.37 PFS/NA T371 0.27 94.7 T441 29 Y (5)
PTB-CSF2 60614 60644 0.42 0.11 0.17 0.02 0.00 0.13 0.24 PFS/NA T370 0.17 93.8 T442 41 Y (5)
SU-CsFO2 60614 60644 0.61 0.15 0.22 0.12 0.00 0.26 0.39 PFS/NA T315 0.50 79.1 T442 34 Y (6)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report dated 28 NOV. 2024 by NPL
(3) Report dated 03 DEC. 2024 by NTSC
(4) Report dated 04 DEC. 2024 by LNE-SYRTE
(5) Report dated 03 DEC. 2024 by PTB
(6) Report dated 03 DEC. 2024 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

Corrigendum from Circular T 438 to Circular T 441:
NIM5 data resubmission
Corrected entry should read:
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 %
NIM5 60459 60489 -0.20 0.29 0.68 0.10 0.01 0.21 0.77 PFS/NA T340 1.40 93.0 T427 22 Y
NIM5 60494 60519 -0.98 0.36 0.68 0.10 0.01 0.15 0.79 PFS/NA T340 1.40 99.8 T438 23 Y
NIM5 60519 60549 0.04 0.31 0.68 0.10 0.01 0.13 0.77 PFS/NA T340 1.40 90.2 T439 24 Y
NIM5 60549 60579 0.05 0.31 0.68 0.10 0.01 0.13 0.77 PFS/NA T340 1.40 99.9 T440 25 Y


Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD 60254-60644, and corresponding uncertainties.

Period of estimation d u
60614-60644 0.28x10-15 0.14x10-15 (2024 OCT 31 - 2024 NOV 30)

4 - Relations of UTC with predictions of UTC broadcast by GNSS.

For this edition of Circular T:

σ_GPS = 5 ns
σ_GLO = 7 ns
σ_GAL = 5 ns
σ_BDS = 5 ns

DATE 0h UTC MJD UTC-bUTC_GNSS /ns
GPS GLO GAL BDS
2024-10-31 60614 -3.6 -9.5 -0.5 -2.4
2024-11-01 60615 -2.7 -9.2 -1.2 -2.7
2024-11-02 60616 -3.4 -10.5 -2.0 -0.6
2024-11-03 60617 -3.6 -9.6 -2.4 -1.2
2024-11-04 60618 -2.7 -8.8 -2.9 -2.1
2024-11-05 60619 -2.3 -8.7 -2.4 -1.1
2024-11-06 60620 -1.9 -7.4 -1.7 -1.9
2024-11-07 60621 -4.1 -7.8 -1.7 -3.3
2024-11-08 60622 -5.2 -9.7 -1.6 -1.4
2024-11-09 60623 -4.0 -10.5 -0.7 -3.6
2024-11-10 60624 -2.8 -9.8 -3.8 -2.7
2024-11-11 60625 -2.8 -8.2 -2.9 -2.3
2024-11-12 60626 -2.6 -5.9 -3.2 -2.2
2024-11-13 60627 -2.8 -3.1 -3.4 -2.1
2024-11-14 60628 -3.6 -4.0 -3.7 -2.5
2024-11-15 60629 -4.2 -3.9 -4.0 -2.8
2024-11-16 60630 -2.6 -8.5 -3.9 -2.0
2024-11-17 60631 -3.7 -8.3 -4.0 -2.0
2024-11-18 60632 -5.0 -7.9 1.8 -2.2
2024-11-19 60633 -2.1 -7.7 2.1 -2.2
2024-11-20 60634 -0.9 -7.6 2.7 -2.9
2024-11-21 60635 -3.0 -7.2 2.9 -3.3
2024-11-22 60636 -2.3 -5.8 3.4 -4.6
2024-11-23 60637 -1.1 -3.1 2.6 -2.8
2024-11-24 60638 -0.2 -5.8 1.6 -2.8
2024-11-25 60639 -1.8 -9.6 1.9 -3.4
2024-11-26 60640 -4.5 -18.6 2.0 -2.8
2024-11-27 60641 -4.0 -20.7 1.8 -3.8
2024-11-28 60642 -2.2 -13.6 1.6 -3.9
2024-11-29 60643 -1.4 -5.7 1.5 -3.3
2024-11-30 60644 -2.5 1.2 1.3 -3.3

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 / 1001-2022 0.7 2.9 1.4
AOS /PTB GPSPPP AO_4 /PT10 1014-2018 / 1001-2022 0.3 3.5 2.5
APL /PTB GPSPPP AP04 /PT10 NC / 1001-2022 0.3 NC
AUS /PTB GPSPPP AU04 /PT10 1015-2021 / 1001-2022 0.3 2.9 1.4
BEV /PTB GPSPPP BE1_ /PT10 1016-2021 / 1001-2022 0.3 2.9 1.4
BFKH/PTB GPS P3 MK02 /PT13 2002-2022 / 1001-2022 0.7 7.1 1.2
BIM /PTB GPSPPP BM51 /PT10 1016-2023 / 1001-2022 0.3 2.6 0.7
BIRM/PTB GPSPPP BI41 /PT10 1016-2018 / 1001-2022 0.3 3.4 2.3
BSJ /PTB GPS MC JM__ /PT13 2001-2024 / 1001-2022 7.0 7.0 0.7
BY /PTB GPS MC BY46 /PT13 1020-2021 / 1001-2022 1.5 3.1 1.4
CAO /PTB GPS P3 CA__ /PT13 NC / 1001-2022 0.7 NC
CNES/PTB GPSPPP CS24 /PT10 1012-2021 / 1001-2022 0.3 3.0 1.7
CNM /PTB GPS MC CN00 /PT13 NA_Al / 1001-2022 3.0 4.3 2.8 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT10 1011-2017 / 1001-2022 0.3 5.5 2.8
DFM /PTB GPSPPP DK01 /PT10 1017-2022 / 1001-2022 0.3 2.7 1.0
DFNT/PTB GPS P3 DN__ /PT13 1015-2024 / 1001-2022 0.7 2.6 0.7
DMDM/PTB GPSPPP ZM68 /PT10 1011-2016 / 1001-2022 0.3 3.9 3.0
DTAG/PTB GPSPPP DT05 /PT10 1012-2019 / 1001-2022 0.3 3.4 2.2
ESA /PTB GPSPPP ES07 /PT10 1014-2022 / 1001-2022 0.3 2.7 1.1
HKO /PTB GPSPPP HKO1 /PT10 1011-2018 / 1001-2022 0.3 3.6 2.6
IBM /PTB GPS MC BO__ /PT13 2005-2016 / 1001-2022 4.0 7.6 2.9
ICE /PTB GPSPPP CE__ /PT10 2001-2023 / 1001-2022 0.3 7.0 0.8
IDN /PTB GPSPPP KI03 /PT10 NC / 1001-2022 0.3 NC
IFAG/PTB GPSPPP IF20 /PT10 1014-2020 / 1001-2022 0.3 3.1 1.8
IFZG/PTB GPSPPP HR01 /PT10 1016-2023 / 1001-2022 0.3 2.6 0.7
IGNA/PTB NL
IMBH/PTB GPSPPP BH02 /PT10 1013-2022 / 1001-2022 0.3 2.8 1.2
INCP/PTB GPS MC CP__ /PT13 NC / 1001-2022 5.0 NC
INM /PTB GPS MC IC__ /PT13 NC / 1001-2022 3.0 NC
INPL/PTB GPSPPP IL06 /PT10 2003-2016 / 1001-2022 0.3 7.6 2.9
INTI/PTB GPSPPP INTI /PT10 1014-2021 / 1001-2022 0.3 3.2 1.3
INXE/PTB GPSPPP NXRA /PT10 1012-2020 / 1001-2022 0.3 3.2 2.0
IPQ /PTB GPSPPP IP05 /PT10 1017-2021 / 1001-2022 0.4 2.9 1.6
JATC/PTB GPS P3 JA01 /PT13 1201-2018 / 1001-2022 0.7 3.5 2.5
JV /PTB GPSPPP JV02 /PT10 1101-2017 / 1001-2022 0.3 4.8 2.6
KRIS/PTB GPSPPP KRP1 /PT10 1015-2021 / 1001-2022 0.3 2.9 1.5
KZ /PTB GPS P3 KZ04 /PT13 1202-2021 / 1001-2022 0.7 4.2 1.4
LRTE/PTB GPS P3 LRR2 /PT13 NC / 1001-2022 0.7 NC
LT /PTB GPSPPP LT03 /PT10 1020-2023 / 1001-2022 0.3 2.6 0.7
LUX /PTB GPSPPP LU01 /PT10 1014-2023 / 1001-2022 0.3 2.6 0.8
MASM/PTB GPSPPP MN__ /PT10 1019-2018 / 1001-2022 0.3 3.5 2.4
MBM /PTB GPSPPP ME01 /PT10 1021-2021 / 1001-2022 0.3 2.8 1.3
MIKE/PTB GPSPPP MI04 /PT10 1019-2023 / 1001-2022 0.3 2.6 0.7
MSL /PTB GPS P3 MS01 /PT13 1015-2021 / 1001-2022 0.7 2.9 1.4
MTC /PTB NL
NAO /PTB GPS MC NAT2 /PT13 1012-2022 / 1001-2022 2.0 3.7 1.4
NICT/PTB GPSPPP NC4S /PT10 1001-2022 / 1001-2022 0.3 1.8 1.0
NIM /PTB GPSPPP IM02 /PT10 1001-2022 / 1001-2022 0.3 1.8 1.0
NIMB/PTB GPSPPP MB02 /PT10 NA_Al / 1001-2022 0.3 7.8 3.3 30.5 2304
NIMT/PTB GPSPPP MTTN /PT10 1016-2022 / 1001-2022 0.3 2.9 1.0
NIS /PTB GPSPPP IS_5 /PT10 2001-2021 / 1001-2022 0.5 7.2 1.6
NMIJ/PTB GPSPPP NM0D /PT10 1015-2022 / 1001-2022 0.3 2.8 1.2
NMLS/PTB GPSPPP LSM2 /PT10 1011-2023 / 1001-2022 0.3 2.6 0.8
NPLI/PTB GPSPPP LI2P /PT10 1011-2024 / 1001-2022 0.3 2.6 0.7
NRC /PTB GPSPPP NRCC /PT10 1015-2023 / 1001-2022 0.3 2.6 0.7
NRL /PTB GPSPPP RL5B /PT10 1201-2024 / 1001-2022 0.3 2.6 0.7
NSAI/PTB GPSPPP IE01 /PT10 2022-2019 / 1001-2022 0.3 7.3 2.1
NTSC/PTB GPSPPP NT05 /PT10 1016-2018 / 1001-2022 0.3 3.4 2.3
ONBA/PTB GPS MC ON__ /PT13 1014-2021 / 1001-2022 2.0 3.2 1.4
ONRJ/PTB GPS P3 RJ03 /PT13 1012-2020 / 1001-2022 0.7 3.1 1.9
ORB /PTB GPSPPP OR5Z /PT10 1017-2023 / 1001-2022 0.3 2.6 0.7
SASO/PTB GPSPPP SAS2 /PT10 NA_Al / 1001-2022 0.7 3.8 2.7 31.1 2309
SCL /PTB GPSPPP SC05 /PT10 1011-2018 / 1001-2022 0.3 3.6 2.6
SG /PTB GPSPPP SG02 /PT10 1018-2023 / 1001-2022 0.3 2.6 0.7
SIQ /PTB GPSPPP SI01 /PT10 1013-2019 / 1001-2022 0.3 4.1 2.0
SMD /PTB GPSPPP SD01 /PT10 1014-2017 / 1001-2022 0.3 3.8 2.8
SMU /PTB GPS P3 SM00 /PT13 NC / 1001-2022 0.7 NC
SU /PTB GPSPPP SU52 /PT10 1001-2020 / 1001-2022 0.3 2.0 1.4
TL /PTB GPSPPP TLT1 /PT10 1001-2022 / 1001-2022 0.3 1.7 0.9
TP /PTB GPSPPP TP01 /PT10 1013-2021 / 1001-2022 0.3 2.9 1.6
UA /PTB GPS MC UA05 /PT13 2003-2018 / 1001-2022 3.0 7.4 2.5
UAE /PTB NL
UME /PTB GPSPPP UM01 /PT10 1011-2016 / 1001-2022 0.3 4.0 3.1
UZ /PTB GPSPPP UZ__ /PT10 2005-2022 / 1001-2022 0.3 7.1 1.1
VMI /PTB GPS P3 VM12 /PT13 1011-2022 / 1001-2022 0.7 2.8 1.2
ZA /PTB GPS P3 ZA02 /PT13 1018-2018 / 1001-2022 1.5 3.5 2.4
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
CH /PTB TWGPPP CH01 /PTB05 0623-2024 0.3 1.0 0.1
IT /PTB TWGPPP IT01 /PTB05 0622-2024 0.3 1.0 0.1
NIST/PTB TWGPPP NIST01/PTB05 0593-2024 0.3 2.0 0.0
NPL /PTB TWGPPP NPL02 /PTB05 0620-2024 0.3 1.0 0.1
OP /PTB TWSDRR OP51 /PTB55 0624-2024 0.3 1.0 0.1
PL /PTB TWGPPP PL01 /PTB05 0605-2024 0.3 1.0 0.1
ROA /PTB TWGPPP ROA01 /PTB05 0618-2024 0.3 1.0 0.1
SP /PTB TWGPPP SP01 /PTB05 0621-2024 0.3 1.0 0.1
USNO/PTB TWGPPP USNO01/PTB05 0534-2021 0.3 2.2 2.0
VSL /PTB TWGPPP VSL01 /PTB05 0616-2024 0.3 1.1 0.1