CIRCULAR T 445

ISSN 1143-1393
2025 FEBRUARY 12, 11h 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 2024/25 0h UTC DEC 30 JAN 4 JAN 9 JAN 14 JAN 19 JAN 24 JAN 29 Uncertainty/ns Notes
MJD 60674 60679 60684 60689 60694 60699 60704 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AGGO (La Plata) 480.8 470.3 470.1 463.8 463.1 477.2 458.7 0.7 2.9 3.0
AOS (Borowiec) -7.0 -6.2 -5.9 -5.4 -5.2 -3.9 -2.8 0.2 3.5 3.5
APL (Laurel) 3.5 4.2 1.9 0.1 -0.2 -0.0 0.0 0.2 NC -
AUS (Sydney) 55.7 73.3 59.7 60.4 65.1 68.3 73.3 0.2 2.9 2.9
BEV (Wien) -29.5 -26.3 -20.4 -19.9 -16.7 -12.0 -6.6 0.2 2.9 2.9
BFKH (Budapest) 996.5 - 1094.5 1145.0 1185.2 1230.2 1278.9 0.7 7.1 7.1
BIM (Sofiya) 2808.8 2850.6 2905.7 2957.2 3001.8 3050.4 3101.9 0.2 2.6 2.6
BIRM (Beijing) -0.9 -0.4 0.9 0.7 -0.4 0.8 1.5 0.2 3.4 3.4
BSJ (Kingston) 16.1 12.2 25.0 16.4 12.4 9.1 33.8 7.0 7.0 9.9
BY (Minsk) -0.2 -1.1 -1.3 -0.5 -1.1 -1.0 -0.8 1.5 3.1 3.4
CAO (Cagliari) -18403.8 -18525.2 -18644.5 -18757.6 -18884.8 -19005.1 -19117.7 0.7 NC -
CH (Bern-Wabern) -1.2 -0.4 -2.0 -2.1 -1.3 -0.6 -1.9 0.2 1.0 1.0
CNES (Toulouse) 2.0 3.4 3.2 -1.1 -1.6 1.2 3.7 0.2 3.0 3.0
CNM (Queretaro) -0.5 -3.4 - -6.2 -5.6 -3.0 2.9 3.0 4.4 5.3
CNMP (Panama) -5.6 4.0 4.2 -6.3 2.2 0.1 -6.3 0.2 5.5 5.5
DFM (Horsholm) 37.4 40.7 45.2 49.2 53.5 58.1 62.4 0.2 2.7 2.7
DFNT (Tunis) -6927.1 -7015.6 -7106.4 -7196.7 -7281.0 -7378.4 -7474.4 0.7 2.6 2.7
DMDM (Belgrade) -16.8 -13.8 -7.0 -10.0 -5.7 4.8 14.0 0.7 7.4 7.4
DTAG (Frankfurt/M) 59.2 56.0 48.2 40.3 32.9 27.5 16.5 0.2 3.4 3.4
ESA (Noordwijk) 2.3 2.8 3.0 2.9 2.0 1.5 0.8 0.2 2.7 2.7
HKO (Hong Kong) 1049.1 1080.2 1103.3 1138.4 1164.6 1189.0 1225.0 0.4 3.6 3.6
IBM (La Paz) 421.6 413.7 411.9 399.5 - - - 4.0 7.6 8.6
ICE (San Jose) -12.5 -16.7 -22.9 -35.1 -40.0 -37.9 -25.6 0.2 7.1 7.1
IDN (Serpong-Tangerang) -591.0 -598.6 -597.3 -615.5 -638.2 -656.3 -672.7 0.2 NC -
IFAG (Wettzell) -722.7 -720.3 -717.5 -720.6 -715.0 -712.5 -708.1 0.2 3.1 3.1
IFZG (Zagreb) 58.0 53.1 54.1 56.8 58.5 66.4 66.6 0.2 2.6 2.6
IGNA (Buenos Aires) - - - - - - -
IMBH (Sarajevo) 3.0 4.4 2.1 3.0 0.3 0.9 6.3 0.2 2.8 2.8
INCP (Lima) 6.5 -12.0 -30.7 -48.1 -53.3 -51.0 -39.6 5.0 NC -
INM (Bogota D.C.) -60.3 -44.5 -30.5 -31.7 -26.2 -17.6 -21.5 3.0 NC -
INPL (Jerusalem) -48.0 -48.1 -46.4 -48.9 -52.0 -64.2 -70.9 0.2 7.6 7.6
INTI (Buenos Aires) 213.0 - 203.9 206.0 212.5 220.0 210.8 0.7 3.4 3.5
INXE (Rio de Janeiro) -1.1 3.7 -2.7 3.9 -2.6 4.4 -1.4 0.2 3.2 3.2
IPQ (Caparica) 1693.7 1701.0 1703.0 1717.3 1721.0 1736.5 1747.8 0.7 3.0 3.1
IT (Torino) 0.7 0.7 0.7 0.8 0.5 0.3 0.2 0.2 1.0 1.0
JATC (Lintong) -0.6 -0.5 -0.8 -0.8 -0.9 -0.7 -0.9 0.5 3.6 3.6
JV (Kjeller) 1.0 0.4 0.0 -0.7 -3.0 -2.5 -1.0 0.2 4.8 4.8
KRIS (Daejeon) 1.2 -0.6 -0.5 0.2 3.2 3.1 0.2 0.2 2.9 2.9
KZ (Astana) -0.7 0.3 -0.3 -0.7 -0.7 -0.8 -0.7 0.7 4.3 4.4
LRTE (Sao Carlos) 5.1 0.7 -0.2 3.1 1.4 3.3 5.9 0.7 NC -
LT (Vilnius) 695.6 712.9 716.1 717.5 742.4 753.6 752.3 0.2 2.6 2.6
LUX (Belvaux) -11.7 -13.7 -12.1 -15.5 -26.8 -30.7 -45.6 0.2 2.7 2.7
MASM (Bayanzurkh) -1118.7 -1254.1 -1404.5 -1542.7 -1659.5 -843.1 -951.3 1.0 3.5 3.6 (1)
MBM (Podgorica) 2580.6 2612.4 2627.0 2655.6 2686.0 2699.3 2736.2 0.2 2.8 2.8
MIKE (Espoo) 4.0 7.1 9.3 10.7 10.0 8.9 8.5 0.2 2.6 2.6
MSL (Lower Hutt) 31.6 22.2 30.6 18.8 15.1 5.7 1.8 0.7 2.9 3.0
MTC (Makkah) - - - - - - -
NAO (Mizusawa) 1908.9 1926.7 1951.7 1972.9 1993.3 2016.7 2040.5 2.0 3.7 4.2
NICT (Tokyo) 1.7 1.5 1.2 1.4 1.7 2.0 2.1 0.2 1.8 1.8
NIM (Beijing) 1.7 1.7 1.8 1.8 1.5 1.5 1.1 0.2 1.9 1.9
NIMB (Bucharest) - - - - - - -
NIMT (Pathumthani) -14.7 -11.8 -5.3 14.7 12.6 2.4 12.0 0.2 2.9 2.9
NIS (Cairo) -67.1 -45.7 -27.9 -15.2 3.3 20.7 33.1 0.7 7.2 7.2
NIST (Boulder) 0.1 0.6 0.4 0.6 0.5 0.8 0.6 0.2 2.0 2.0
NMIJ (Tsukuba) 39.0 19.0 0.7 -8.8 -14.5 -24.1 -13.4 0.2 2.8 2.8
NMLS (Sepang) 159.3 159.0 163.0 113.0 72.4 25.4 -28.3 0.2 2.7 2.7
NPL (Teddington) 2.1 2.8 3.7 3.2 1.9 2.0 1.8 0.2 1.0 1.0
NPLI (New-Delhi) 0.3 0.2 0.2 0.3 -0.2 -0.0 0.0 0.2 2.6 2.6
NRC (Ottawa) -0.2 -0.1 0.1 -0.2 -0.4 -0.5 -0.7 0.2 2.6 2.6
NRL (Washington DC) -2.8 0.3 3.8 3.6 2.3 1.7 0.7 0.2 2.6 2.6
NSAI (Dublin) -49.9 -6.5 - 225.6 48.8 69.0 117.0 0.4 7.3 7.3
NTSC (Lintong) 0.9 0.8 0.5 0.6 0.7 0.7 0.7 0.2 3.5 3.5
ONBA (Buenos Aires) 1527.5 1553.0 1577.7 1610.5 1628.8 1649.7 1700.3 2.0 3.3 3.9
ONRJ (Rio de Janeiro) 3.7 -7.2 -3.3 -5.2 -4.2 -1.5 -0.7 0.7 3.2 3.3 (2)
OP (Paris) 0.9 0.8 0.9 0.4 0.7 1.3 1.3 0.2 1.0 1.0
ORB (Bruxelles) 0.7 0.9 0.8 0.4 -0.1 -0.4 -0.6 0.2 2.6 2.6
PL (Warszawa) -0.8 -0.7 -0.7 -0.5 -0.3 0.2 0.9 0.2 1.0 1.0
PTB (Braunschweig) -0.7 -0.5 -0.5 -0.2 -0.2 -0.1 -0.1 0.2 1.0 1.0
ROA (San Fernando) -2.2 -1.3 -1.1 -1.5 -1.6 -1.4 -1.6 0.2 1.0 1.0
SASO (Riyadh) 144.9 153.7 172.9 183.0 193.2 208.9 223.0 0.2 3.7 3.7
SCL (Hong Kong) -23.3 -24.1 -15.1 -9.3 -1.6 15.5 16.8 0.2 3.6 3.6
SG (Singapore) 2.5 0.4 5.9 10.4 4.4 -1.4 -3.4 0.2 2.6 2.6
SIQ (Ljubljana) 816.1 836.0 839.4 850.8 870.3 873.0 878.6 0.2 4.1 4.1
SMD (Bruxelles) -0.2 0.2 0.5 0.5 0.4 0.5 0.7 0.2 4.0 4.0
SMU (Bratislava) -101.1 - - - - - - 0.7 NC -
SP (Boras) -0.2 -0.5 -0.6 -0.6 -0.9 -1.0 -1.2 0.2 1.0 1.0
SU (Moskva) -0.6 -0.7 -0.4 -0.5 -0.1 -0.1 -0.2 0.2 2.1 2.1
TL (Chung-Li) 2.1 0.4 -0.1 0.3 -0.0 -0.1 1.1 0.2 1.8 1.8
TP (Praha) -3.0 -1.4 -9.0 -9.4 -3.3 -5.5 -9.1 0.2 3.0 3.0
UA (Kharkiv) -13.9 -7.0 - -1.7 - -6.8 0.4 3.0 7.4 8.0
UAE (Abu Dhabi) - - - - - - -
UME (Gebze-Kocaeli) -4.4 -0.6 0.6 1.0 -1.3 0.2 0.2 0.2 4.0 4.0
USNO (Washington DC) 0.4 0.0 -0.6 -0.7 0.3 0.5 0.7 0.2 2.2 2.2
UZ (Tashkent) -176.0 -186.6 -194.8 -182.3 -175.7 -157.5 -139.1 0.2 7.1 7.1
VMI (Ha Noi) -20.0 5.0 22.6 28.7 12.0 -25.0 -0.2 0.7 2.8 2.9
VSL (Delft) 2.5 2.5 1.8 1.3 1.5 2.3 2.7 0.2 1.1 1.1
ZA (Pretoria) -9.3 -11.9 -3.0 16.6 18.4 12.3 1.2 7.0 3.5 7.8
- Notes on section 1:
(1) MASM : Apparent time step of UTC(MASM) of about -1018 ns around MJD 60696.
(2) ONRJ : Apparent time step of UTC(ONRJ) of about 5 ns between MJD 60674 and 60679 due to change of receiver.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 60674 - 60704 6.498x10-13 (2024 DEC 30 - 2025 JAN 29)
New correction 60704 - 60734 6.498x10-13 (2025 JAN 29 - 2025 FEB 28)
New correction foreseen 60734 - 60764 6.498x10-13 (2025 FEB 28 - 2025 MAR 30)

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 60674 60704 -8.49 8.00 8.00 0.00 0.00 0.13 11.31 PFS/NA T148 8.00 100.0 T444 36 Y (1)
PTB-CS2 60674 60704 -4.90 5.00 12.00 0.00 0.00 0.13 13.00 PFS/NA T148 12.00 100.0 T444 36 Y (1)
LNEOP-FO2 60674 60704 -0.41 0.30 0.23 0.10 0.00 0.13 0.41 PFS/NA T301 0.23 56.4 T443 36 Y (2)
LNEOP-FORb 60674 60704 -0.23 0.30 0.25 0.09 0.00 0.13 0.42 0.34 [1] T328 0.34 69.1 T444 32 Y (2)
METAS-FOC2 60674 60704 -0.65 0.11 1.85 0.32 0.05 0.13 1.89 PFS/NA T371 1.99 77.6 T444 9 Y (3)
NIM5 60674 60704 -0.13 0.35 0.68 0.10 0.01 0.13 0.78 PFS/NA T340 1.40 99.1 T444 26 Y (4)
NMIJ-Yb1 60689 60704 0.52 0.01 0.10 0.12 0.10 0.24 0.31 0.19 [1] T424 0.10 91.4 T425 10 Y (5)
NRC-FCs2 60674 60704 0.22 0.12 0.21 0.10 0.00 0.13 0.29 PFS/NA T389 0.23 97.1 T444 39 Y (6)
NRC-SrIOC1 57914 57924 -1.75 0.01 0.01 0.34 0.00 0.70 0.78 1.30 [1] [2] 0.01 22.0 N/A 0 N (7)
NRC-SrIOC1 60294 60299 -2.29 0.01 0.01 0.15 0.00 0.98 0.99 1.30 [1] [2] 0.01 58.8 N/A 0 N (7)
NRC-SrIOC1 60494 60504 -1.96 0.01 0.01 0.21 0.00 0.35 0.41 1.30 [1] [2] 0.01 23.9 N/A 0 N (7)
NRC-SrIOC1 60544 60549 -1.44 0.01 0.01 0.14 0.00 0.65 0.67 1.30 [1] [2] 0.01 56.5 N/A 0 N (7)
NRC-SrIOC1 60554 60559 -1.79 0.01 0.01 0.11 0.00 0.65 0.66 1.30 [1] [2] 0.01 66.1 N/A 0 N (7)
NTSC-CsF2 60674 60704 -0.34 0.45 0.37 0.10 0.00 0.13 0.61 PFS/NA T435 0.43 93.7 T444 27 Y (8)
PTB-CSF1 60659 60674 0.01 0.40 0.21 0.01 0.00 0.24 0.51 PFS/NA T371 0.27 97.7 T443 28 Y (9)
PTB-CSF1 60674 60704 0.26 0.33 0.21 0.07 0.00 0.13 0.42 PFS/NA T371 0.27 86.4 T443 28 Y (9)
PTB-CSF2 60659 60674 0.11 0.14 0.17 0.01 0.00 0.24 0.33 PFS/NA T370 0.17 98.5 T444 41 Y (9)
PTB-CSF2 60674 60704 -0.03 0.11 0.17 0.01 0.00 0.13 0.24 PFS/NA T370 0.17 98.3 T444 41 Y (9)
SU-CsFO2 60674 60704 0.17 0.10 0.22 0.11 0.00 0.13 0.30 PFS/NA T315 0.50 87.2 T444 35 Y (10)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report dated 03 FEB. 2025 by LNE-OP. LNE-SYRTE is now LNE-OP : Observatoire de Paris/Laboratoire Temps Espace
(3) Report dated 04 FEB. 2025 by CH
(4) Report dated 01 FEB. 2025 by NIM
(5) Report dated 03 FEB. 2025 by NMIJ
(6) Report dated 04 FEB. 2025 by NRC
(7) Report dated 20 DEC. 2024 by NRC
(8) Report dated 03 FEB. 2025 by NTSC
(9) Report dated 04 FEB. 2025 by PTB
(10) Report dated 04 FEB. 2025 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
[2] Bin Jian et al, Metrologia 60 015007 (2023)

Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD 60314-60704, and corresponding uncertainties.

Period of estimation d u
60674-60704 0.06x10-15 0.12x10-15 (2024 DEC 30 - 2025 JAN 29)

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
2024-12-30 60674 -1.0 -1.1 -0.5 -2.6
2024-12-31 60675 -0.6 -0.3 -0.8 -2.4
2025-01-01 60676 1.3 -2.5 -1.0 -2.4
2025-01-02 60677 1.7 -0.3 -0.6 -2.9
2025-01-03 60678 0.8 2.9 -0.8 -2.1
2025-01-04 60679 0.8 5.9 -0.9 -2.2
2025-01-05 60680 1.4 8.2 -0.3 -2.0
2025-01-06 60681 0.1 3.6 -0.3 -2.0
2025-01-07 60682 -1.3 4.8 -1.3 -2.0
2025-01-08 60683 1.1 2.4 -0.1 -2.4
2025-01-09 60684 1.5 2.6 0.3 -2.5
2025-01-10 60685 -0.6 0.7 0.5 -2.9
2025-01-11 60686 0.8 -0.3 -0.3 -2.7
2025-01-12 60687 -0.1 1.2 -0.2 -1.9
2025-01-13 60688 0.8 1.0 -0.3 -1.9
2025-01-14 60689 -1.0 3.4 -0.4 -2.6
2025-01-15 60690 -2.1 2.6 -1.4 -2.5
2025-01-16 60691 0.2 -0.2 -1.6 -1.9
2025-01-17 60692 0.5 1.2 -2.0 -1.9
2025-01-18 60693 1.2 0.4 -1.4 -1.7
2025-01-19 60694 2.5 0.5 -2.5 -2.7
2025-01-20 60695 -0.8 4.6 -1.4 -2.8
2025-01-21 60696 0.3 3.6 -1.4 -2.9
2025-01-22 60697 2.3 1.9 -0.8 -1.7
2025-01-23 60698 0.4 4.7 -0.8 -2.3
2025-01-24 60699 1.2 4.5 -1.0 -2.3
2025-01-25 60700 2.4 2.7 -0.7 -2.5
2025-01-26 60701 1.1 5.6 -0.8 -2.6
2025-01-27 60702 1.7 7.0 -1.2 -2.0
2025-01-28 60703 1.4 3.8 -1.9 -2.7
2025-01-29 60704 0.5 4.5 -1.4 -3.5

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 1.5
AOS /PTB GPSPPP AO_4 /PT13 1014-2018 / 1001-2022 0.3 3.5 2.5
APL /PTB GPSPPP AP04 /PT13 NC / 1001-2022 0.3 NC
AUS /PTB GPSPPP AU04 /PT13 1015-2021 / 1001-2022 0.3 2.9 1.5
BEV /PTB GPSPPP BE1_ /PT13 1016-2021 / 1001-2022 0.3 2.9 1.5
BFKH/PTB GPS P3 MK02 /PT13 2002-2022 / 1001-2022 0.7 7.1 1.3
BIM /PTB GPSPPP BM51 /PT13 1016-2023 / 1001-2022 0.3 2.6 0.8
BIRM/PTB GPSPPP BI41 /PT13 1016-2018 / 1001-2022 0.3 3.4 2.4
BSJ /PTB GPS MC JM__ /PT13 2001-2024 / 1001-2022 7.0 7.0 0.8
BY /PTB GPS MC BY46 /PT13 1020-2021 / 1001-2022 1.5 3.1 1.5
CAO /PTB GPS P3 CA__ /PT13 NC / 1001-2022 0.7 NC
CNES/PTB GPSPPP CS24 /PT13 1012-2021 / 1001-2022 0.3 3.0 1.7
CNM /PTB GPS MC CN00 /PT13 NA_Al / 1001-2022 3.0 4.4 2.9 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT13 1011-2017 / 1001-2022 0.3 5.5 2.9
DFM /PTB GPSPPP DK01 /PT13 1017-2022 / 1001-2022 0.3 2.7 1.1
DFNT/PTB GPS P3 DN__ /PT13 1015-2024 / 1001-2022 0.7 2.6 0.8
DMDM/PTB GPS P3 ZM01 /PT13 2002-2018 / 1001-2022 0.7 7.4 2.5
DTAG/PTB GPSPPP DT05 /PT13 1012-2019 / 1001-2022 0.3 3.4 2.2
ESA /PTB GPSPPP ES07 /PT13 1014-2022 / 1001-2022 0.3 2.7 1.1
HKO /PTB GPSPPP HKO1 /PT13 1011-2018 / 1001-2022 0.4 3.6 2.6
IBM /PTB GPS MC BO__ /PT13 2005-2016 / 1001-2022 4.0 7.6 2.9
ICE /PTB GPSPPP CE__ /PT13 2001-2023 / 1001-2022 0.3 7.1 0.9
IDN /PTB GPSPPP KI03 /PT13 NC / 1001-2022 0.3 NC
IFAG/PTB GPSPPP IF20 /PT13 1014-2020 / 1001-2022 0.3 3.1 1.9
IFZG/PTB GPSPPP HR01 /PT13 1016-2023 / 1001-2022 0.3 2.6 0.8
IGNA/PTB NL
IMBH/PTB GPSPPP BH02 /PT13 1013-2022 / 1001-2022 0.3 2.8 1.3
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 /PT13 2003-2016 / 1001-2022 0.3 7.6 3.0
INTI/PTB GPS P3 IN01 /PT13 NA_Al / 1001-2022 0.7 3.4 1.4 0.0 2501
INXE/PTB GPSPPP NXRA /PT13 1012-2020 / 1001-2022 0.3 3.2 2.1
IPQ /PTB GPSPPP IP05 /PT13 1017-2021 / 1001-2022 0.7 3.0 1.6
JATC/PTB GPSPPP JA02 /PT13 1201-2018 / 1001-2022 0.5 3.6 2.5
JV /PTB GPSPPP JV02 /PT13 1101-2017 / 1001-2022 0.3 4.8 2.7
KRIS/PTB GPSPPP KRP1 /PT13 1015-2021 / 1001-2022 0.3 2.9 1.5
KZ /PTB GPS P3 KZ04 /PT13 1202-2021 / 1001-2022 0.7 4.3 1.5
LRTE/PTB GPS P3 LRR2 /PT13 NC / 1001-2022 0.7 NC
LT /PTB GPSPPP LT03 /PT13 1020-2023 / 1001-2022 0.3 2.6 0.8
LUX /PTB GPSPPP LU01 /PT13 1014-2023 / 1001-2022 0.3 2.7 0.9
MASM/PTB GPSPPP MN__ /PT13 1019-2018 / 1001-2022 1.0 3.5 2.5
MBM /PTB GPSPPP ME01 /PT13 1021-2021 / 1001-2022 0.3 2.8 1.4
MIKE/PTB GPSPPP MI04 /PT13 1019-2023 / 1001-2022 0.3 2.6 0.8
MSL /PTB GPS P3 MS01 /PT13 1015-2021 / 1001-2022 0.7 2.9 1.5
MTC /PTB NL
NAO /PTB GPS MC NAT2 /PT13 1012-2022 / 1001-2022 2.0 3.7 1.5
NICT/PTB GPSPPP NC4S /PT13 1001-2022 / 1001-2022 0.3 1.8 1.0
NIM /PTB GPSPPP IM02 /PT13 1001-2022 / 1001-2022 0.3 1.9 1.1
NIMB/PTB NL
NIMT/PTB GPSPPP MTTN /PT13 1016-2022 / 1001-2022 0.3 2.9 1.1
NIS /PTB GPS P3 IS_5 /PT13 2001-2021 / 1001-2022 0.7 7.2 1.7
NMIJ/PTB GPSPPP NM0D /PT13 1015-2022 / 1001-2022 0.3 2.8 1.3
NMLS/PTB GPSPPP LSM2 /PT13 1011-2023 / 1001-2022 0.3 2.7 0.9
NPLI/PTB GPSPPP LI2P /PT13 1011-2024 / 1001-2022 0.3 2.6 0.8
NRC /PTB GPSPPP NRCC /PT13 1015-2023 / 1001-2022 0.3 2.6 0.8
NRL /PTB GPSPPP RL5B /PT13 1201-2024 / 1001-2022 0.3 2.6 0.8
NSAI/PTB GPSPPP IE01 /PT13 2022-2019 / 1001-2022 0.4 7.3 2.2
NTSC/PTB GPSPPP NT05 /PT13 1016-2018 / 1001-2022 0.3 3.5 2.4
ONBA/PTB GPS MC ON__ /PT13 1014-2021 / 1001-2022 2.0 3.3 1.5
ONRJ/PTB GPS P3 RJ04 /PT13 1012-2020 / 1001-2022 0.7 3.2 2.0
ORB /PTB GPSPPP OR5Z /PT13 1017-2023 / 1001-2022 0.3 2.6 0.8
SASO/PTB GPSPPP SAS0 /PT13 1020-2017 / 1001-2022 0.3 3.7 2.7
SCL /PTB GPSPPP SC05 /PT13 1011-2018 / 1001-2022 0.3 3.6 2.6
SG /PTB GPSPPP SG02 /PT13 1018-2023 / 1001-2022 0.3 2.6 0.8
SIQ /PTB GPSPPP SI01 /PT13 1013-2019 / 1001-2022 0.3 4.1 2.1
SMD /PTB GPSPPP SD31 /PT13 NA_Al / 1001-2022 0.3 4.0 2.9 1.0 2501
SMU /PTB GPS P3 SM00 /PT13 NC / 1001-2022 0.7 NC
SU /PTB GPSPPP SU52 /PT13 1001-2020 / 1001-2022 0.3 2.1 1.4
TL /PTB GPSPPP TLT1 /PT13 1001-2022 / 1001-2022 0.3 1.8 1.0
TP /PTB GPSPPP TP01 /PT13 1013-2021 / 1001-2022 0.3 3.0 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 /PT13 1011-2016 / 1001-2022 0.3 4.0 3.1
UZ /PTB GPSPPP UZ__ /PT13 2005-2022 / 1001-2022 0.3 7.1 1.1
VMI /PTB GPS P3 VM12 /PT13 1011-2022 / 1001-2022 0.7 2.8 1.3
ZA /PTB GPS P3 ZA02 /PT13 1018-2018 / 1001-2022 7.0 3.5 2.5
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 0.2
IT /PTB TWGPPP IT01 /PTB05 0622-2024 0.3 1.0 0.2
NIST/PTB TWGPPP NIST01/PTB05 0593-2024 0.3 2.0 0.0
NPL /PTB TWGPPP NPL02 /PTB05 0620-2024 0.3 1.0 0.2
OP /PTB TWGPPP OP01 /PTB05 0619-2024 0.3 1.0 0.2
PL /PTB TWGPPP PL01 /PTB05 0605-2024 0.3 1.0 0.2
ROA /PTB TWGPPP ROA01 /PTB05 0618-2024 0.3 1.0 0.2
SP /PTB TWGPPP SP01 /PTB05 0621-2024 0.3 1.0 0.2
USNO/PTB TWGPPP USNO01/PTB05 0534-2021 0.3 2.2 2.0
VSL /PTB TWGPPP VSL01 /PTB05 0616-2024 0.3 1.1 0.2