CIRCULAR T 456

ISSN 1143-1393
2026 JANUARY 08, 22h 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 2025 0h UTC NOV 30 DEC 5 DEC 10 DEC 15 DEC 20 DEC 25 DEC 30 Uncertainty/ns Notes
MJD 61009 61014 61019 61024 61029 61034 61039 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AGGO (La Plata) 228.0 233.2 238.6 247.0 255.8 267.0 276.5 0.7 3.1 3.2
AOS (Borowiec) 0.5 0.9 1.8 1.9 2.0 2.1 1.7 0.2 2.8 2.8
APL (Laurel) 1.5 2.3 2.0 1.5 0.7 -0.1 -0.8 0.2 NC -
AUS (Sydney) 10.8 24.4 7.8 17.6 12.9 37.5 30.9 0.2 3.1 3.1
AZ (Baku) 390.1 406.6 425.2 442.2 459.7 471.8 487.1 0.2 7.1 7.1
BEV (Wien) -5.4 0.6 -5.4 -16.1 -20.6 -25.2 -29.4 0.2 3.1 3.1
BFKH (Budapest) 4309.5 4356.6 4407.7 4454.9 4508.5 4555.8 4593.1 1.5 7.3 7.4
BIM (Sofiya) 5915.3 5957.4 5996.3 6044.7 6090.9 6134.6 6183.0 0.2 2.8 2.8
BIRM (Beijing) -0.1 0.4 -0.1 -0.3 -0.0 -0.2 -0.7 0.4 3.6 3.6
BSJ (Kingston) 12.2 13.0 -0.8 18.3 14.7 18.2 21.5 7.0 7.1 10.0
BY (Minsk) -0.6 0.7 -1.2 -1.6 -0.9 -1.3 -0.7 1.5 3.3 3.6
CAO (Cagliari) - - - - - - -
CH (Bern-Wabern) 0.5 1.2 2.4 0.5 -1.8 -3.1 -2.6 0.2 1.1 1.1
CNES (Toulouse) -0.2 1.6 0.6 0.7 -0.1 -2.8 -3.0 0.2 2.8 2.8
CNM (Queretaro) -1.4 -0.4 0.6 -0.9 -0.5 -0.1 0.3 3.0 4.5 5.4
CNMP (Panama) -7.8 -18.6 -2.6 -3.8 3.7 -0.2 -11.0 0.2 5.6 5.6
DFM (Horsholm) -10.8 -12.8 -15.0 -16.9 -19.0 -21.3 -23.9 0.2 2.9 2.9
DFNT (Tunis) -2331.1 -2371.6 -2416.7 -2455.0 -2509.9 - - 0.7 2.8 2.9
DLR (Oberpfaffenhofen) -0.5 -0.5 -0.2 -0.2 -1.0 -2.0 -5.1 0.2 2.8 2.8
DMDM (Belgrade) -43.1 -34.7 -31.5 -9.2 6.7 9.1 4.0 0.2 7.5 7.5
DTAG (Frankfurt/M) 3.2 -1.0 -0.9 3.4 11.8 9.0 9.0 0.2 2.8 2.8
ESA (Noordwijk) 0.0 0.5 1.4 2.5 1.3 0.8 0.6 0.2 2.8 2.8
HKO (Hong Kong) 628.1 644.4 668.1 692.3 706.9 731.4 747.3 0.2 3.8 3.8
IBM (La Paz) 144.9 143.8 139.3 141.3 135.6 122.5 116.8 4.0 7.7 8.7
ICE (San Jose) 23.7 17.5 15.0 21.3 35.9 39.5 40.7 0.2 7.1 7.1
IDN (Serpong-Tangerang) 3927.1 4062.8 4202.4 4363.3 4573.9 4703.9 4844.8 0.4 NC -
IFAG (Wettzell) -805.3 -811.5 -813.6 -812.3 -815.2 -822.1 -823.3 0.2 2.8 2.8
IFZG (Zagreb) 246.7 264.3 282.8 294.1 309.4 334.3 331.9 0.2 2.8 2.8
IMBH (Sarajevo) 2.4 2.8 3.0 1.0 1.2 -2.0 -0.3 0.2 3.0 3.0
INCP (Lima) -162.3 -147.2 -160.8 20.4 26.6 20.4 33.6 5.0 4.1 6.5
INM (Bogota D.C.) -49.3 -49.5 -61.3 -64.6 -51.0 -57.6 -41.5 3.0 4.1 5.1
INPL (Jerusalem) -261.5 -271.7 17.3 35.8 37.6 27.3 26.7 0.2 7.7 7.7 (1)
INTI (Buenos Aires) -116.6 -118.6 -127.0 -126.0 -126.2 -125.2 -116.1 0.2 3.4 3.4
INXE (Rio de Janeiro) 3.4 4.1 3.8 -3.7 -3.0 -5.5 6.1 0.7 3.4 3.5
IPQ (Caparica) - - - 246.3 - 205.4 174.5 0.5 3.2 3.2
IT (Torino) 2.2 2.2 2.2 2.5 2.2 1.9 1.6 0.2 1.1 1.1
JATC (Lintong) 0.0 0.2 0.1 -0.0 -0.2 -0.4 -0.5 0.2 3.8 3.8
JV (Kjeller) -0.1 -0.9 0.5 -0.0 -1.2 -2.3 -3.0 0.2 5.0 5.0
KRIS (Daejeon) 3.0 3.3 3.3 3.3 3.0 1.4 -0.1 0.2 3.1 3.1
KZ (Astana) -0.4 0.8 0.1 -1.4 -2.5 -3.2 -3.9 0.7 4.4 4.5
LRTE (Sao Carlos) -1.4 5.4 0.4 3.0 -0.1 -16.1 -5.1 0.7 3.7 3.8
LT (Vilnius) 1255.7 1264.6 1283.4 1284.9 1298.4 1311.5 1313.5 0.2 2.8 2.8
LUX (Belvaux) -14.9 -19.4 -21.7 -19.8 -16.6 -14.2 -12.9 0.5 2.8 2.8
MASM (Bayanzurkh) - - - - - - -
MBM (Podgorica) 4010.3 4041.6 4067.5 4088.3 4103.2 4130.7 4172.2 0.2 3.0 3.0
MIKE (Espoo) -4.9 -5.8 -6.5 -6.7 -6.3 -7.2 -7.6 0.2 2.8 2.8
MSL (Lower Hutt) -14.9 -7.9 -6.5 6.4 10.4 21.0 15.8 0.7 3.1 3.2
MTC (Makkah) - -411.8 -435.2 6.5 11.6 13.9 11.3 4.0 66.4 66.5 (2)
NAO (Mizusawa) 3351.7 3385.9 3417.1 3467.4 3513.5 3562.4 3614.2 2.0 3.8 4.3
NICT (Tokyo) 1.1 1.1 0.7 1.0 0.6 -0.0 -0.2 0.2 2.1 2.1
NIM (Beijing) -0.8 -0.6 -0.8 -0.7 -0.5 -0.0 -0.4 0.2 2.1 2.1
NIMB (Bucharest) - - - - - - -
NIMT (Pathumthani) 13.4 23.0 34.8 50.8 46.2 41.7 24.4 0.7 3.1 3.2
NIS (Cairo) -37.3 -58.2 -82.9 -109.5 -143.4 -166.6 -174.4 0.7 7.3 7.3
NIST (Boulder) -0.4 -0.2 -0.2 -0.4 -0.2 1.3 2.3 0.2 2.0 2.0
NMIJ (Tsukuba) 1.1 0.1 -1.3 -2.0 -2.3 -1.8 -1.8 0.2 3.0 3.0
NMLS (Sepang) -101.9 -79.1 -54.8 -35.1 -2.7 28.2 51.1 0.2 2.8 2.8
NPL (Teddington) 0.2 1.2 1.3 -0.1 0.5 -0.4 0.1 0.2 1.1 1.1
NPLI (New-Delhi) -1.1 -1.3 -1.6 -1.3 -1.4 -1.3 -1.4 0.2 2.8 2.8
NRC (Ottawa) 1.6 1.3 0.9 0.4 -0.5 -1.1 -1.5 0.2 2.8 2.8
NRL (Washington DC) 0.6 2.6 - - - - - 0.2 2.8 2.8
NSAI (Dublin) 16.4 -0.4 -19.1 -32.1 -39.9 -52.6 -60.4 0.2 7.4 7.4
NTSC (Lintong) 0.9 0.9 0.8 0.6 0.4 0.1 0.1 0.2 3.6 3.6
ONBA (Buenos Aires) 3056.0 3070.4 3099.0 3119.1 3133.8 3128.0 3149.1 2.0 3.4 3.9
ONRJ (Rio de Janeiro) -2.8 -0.5 0.6 0.7 -2.1 -4.1 -0.6 0.2 3.4 3.4
OP (Paris) 0.2 0.2 -0.1 -0.5 0.2 0.4 -0.1 0.2 1.1 1.1
ORB (Bruxelles) 0.0 -0.2 -0.1 -0.1 -0.4 -0.9 -1.4 0.2 2.8 2.8
PL (Warszawa) -1.5 -2.3 -2.4 -2.3 -2.4 -2.7 -2.7 0.2 2.8 2.8
PTB (Braunschweig) -0.4 -0.3 0.3 0.1 0.1 0.2 0.2 0.2 1.1 1.1
ROA (San Fernando) 1.6 0.8 0.5 1.6 1.8 1.3 -0.5 0.2 1.1 1.1
SASO (Riyadh) 932.0 927.9 915.7 904.7 904.6 903.8 900.0 1.0 3.9 4.0
SCL (Hong Kong) -3.7 -4.1 5.9 2.5 2.0 -7.6 -11.2 0.2 3.8 3.8
SG (Singapore) -0.8 6.4 6.7 9.1 5.2 10.1 -1.3 0.2 2.8 2.8
SIQ (Ljubljana) 1601.1 1587.4 1572.8 1571.7 1572.4 1570.7 1573.0 0.2 4.2 4.2
SMD (Bruxelles) 0.8 0.1 -0.6 -0.6 -0.6 -0.2 0.1 0.2 4.5 4.5
SMU (Bratislava) 440.7 387.9 - - - - - 1.5 6.2 6.4
SP (Boras) -0.2 -0.1 -0.9 0.8 0.6 0.6 0.5 0.2 1.1 1.1
SU (Moskva) 1.6 1.8 1.8 1.8 1.6 1.7 1.8 0.2 2.5 2.5
TL (Chung-Li) -0.8 -0.9 -0.9 -0.7 -0.3 -1.0 -0.9 0.2 2.0 2.0
TP (Praha) 19.7 14.0 12.6 5.3 4.4 -6.7 -21.9 0.2 3.2 3.2
UA (Kharkiv) -8.8 -26.7 -11.1 - - - -1.4 3.0 7.5 8.1
UAE (Abu Dhabi) - - -18.1 -24.8 -37.0 -48.7 -62.1 0.5 7.1 7.1
UME (Gebze-Kocaeli) -212.3 -149.1 -83.6 -21.7 38.7 -5.8 -75.7 0.2 4.2 4.2
USNO (Washington DC) -0.3 -0.3 0.1 -0.2 -0.1 -0.5 -0.9 0.2 2.4 2.4
UZ (Tashkent) 94.3 93.4 101.6 105.2 106.7 112.9 115.2 0.2 2.8 2.8
VMI (Ha Noi) -50.8 -23.9 5.6 21.5 60.0 85.1 103.5 0.7 3.0 3.1
VSL (Delft) -3.7 -3.7 -2.0 0.4 2.7 3.7 2.7 0.2 1.2 1.2
ZA (Pretoria) -7.0 -2.4 -11.5 -4.4 -9.1 -0.0 -0.2 7.0 3.7 7.9
- Notes on section 1:
(1) INPL : Time step of UTC(INPL) of -300 ns on MJD 61018.48.
(2) MTC : Time step of UTC(MTC) of -450 ns on MJD 61021.5.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 61009 - 61039 6.498x10-13 (2025 NOV 30 - 2025 DEC 30)
New correction 61039 - 61069 6.498x10-13 (2025 DEC 30 - 2026 JAN 29)
New correction foreseen 61069 - 61099 6.498x10-13 (2026 JAN 29 - 2026 FEB 28)

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 61009 61039 4.90 8.00 8.00 0.00 0.00 0.13 11.31 PFS/NA T148 8.00 100.0 T455 36 Y (1)
PTB-CS2 61009 61039 11.65 5.00 12.00 0.00 0.00 0.13 13.00 PFS/NA T148 12.00 100.0 T455 36 Y (1)
NIM5 61009 61039 -0.46 0.32 0.68 0.10 0.01 0.13 0.77 PFS/NA T340 1.40 97.2 T455 26 Y (2)
NIM6 61009 61039 0.04 0.23 0.24 0.10 0.01 0.13 0.37 PFS/NA T454 0.22 97.6 T455 15 Y (2)
NRC-FCs2 61009 61039 -0.08 0.13 0.09 0.13 0.00 0.13 0.24 PFS/NA T448 0.11 84.6 T455 36 Y (3)
NRC-Sr+1 60944 60954 -2.07 0.01 0.01 0.16 0.00 0.35 0.39 1.30 [1] T445 0.01 41.7 T455 9 N (4)
NRC-Sr+1 60999 61004 -2.02 0.01 0.01 0.20 0.00 0.65 0.68 1.30 [1] T445 0.01 46.0 T455 9 N (4)
NTSC-CsF2 61014 61039 -0.09 0.59 0.37 0.10 0.00 0.15 0.72 PFS/NA T435 0.43 92.0 T455 38 Y (5)
LNEOP-FO2 61009 61039 -0.30 0.20 0.21 0.09 0.00 0.13 0.33 PFS/NA T301 0.23 77.7 T455 32 Y (6)
PTB-CSF2 61009 61029 0.13 0.14 0.17 0.04 0.00 0.19 0.29 PFS/NA T370 0.17 95.6 T455 40 Y (7)
SU-CsFO2 61009 61039 0.18 0.15 0.22 0.14 0.00 0.13 0.33 PFS/NA T315 0.50 60.3 T455 36 Y (8)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report dated 31 DEC. 2025 by NIM
(3) Report dated 31 DEC. 2025 by NRC
(4) Report dated 11 DEC. 2025 by NRC
(5) Report dated 31 DEC. 2025 by NTSC
(6) Report dated 06 JAN. 2026 by LNE-OP
(7) Report dated 28 DEC. 2025 by PTB
(8) Report dated 30 DEC. 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

Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD 60649-61039, and corresponding uncertainties.

Period of estimation d u
61009-61039 -0.04x10-15 0.13x10-15 (2025 NOV 30 - 2025 DEC 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
2025-11-30 61009 1.1 -4.4 -0.7 -1.1
2025-12-01 61010 1.8 -5.3 -0.8 -1.2
2025-12-02 61011 -0.7 -8.1 -0.6 -0.8
2025-12-03 61012 0.0 -4.7 -0.6 -1.2
2025-12-04 61013 0.4 -7.9 -1.4 -1.3
2025-12-05 61014 -0.3 -10.7 -1.5 -1.6
2025-12-06 61015 -1.1 -6.2 -1.7 -1.3
2025-12-07 61016 1.9 -5.0 -1.7 -1.8
2025-12-08 61017 0.4 -6.8 -1.7 -1.2
2025-12-09 61018 -0.0 -6.1 -2.0 -0.9
2025-12-10 61019 1.1 -4.7 -2.0 -1.2
2025-12-11 61020 1.6 -2.5 -2.1 -1.5
2025-12-12 61021 1.7 -0.8 -0.9 -1.9
2025-12-13 61022 0.8 -0.0 -1.0 -1.2
2025-12-14 61023 0.2 0.4 -0.7 -1.2
2025-12-15 61024 -0.4 1.8 -0.6 -1.5
2025-12-16 61025 -1.3 1.1 -0.3 -2.2
2025-12-17 61026 1.8 5.9 0.0 -2.6
2025-12-18 61027 1.3 4.7 -0.5 -1.9
2025-12-19 61028 0.4 3.5 -0.0 -2.2
2025-12-20 61029 -0.9 -0.4 -0.3 -4.8
2025-12-21 61030 -2.1 -1.0 -1.1 -2.1
2025-12-22 61031 1.5 3.0 -0.7 -1.7
2025-12-23 61032 -0.7 -3.7 -0.9 -2.7
2025-12-24 61033 2.0 -8.2 -0.9 -2.2
2025-12-25 61034 0.4 -10.1 -0.8 -2.2
2025-12-26 61035 -0.9 -10.6 -1.0 -2.2
2025-12-27 61036 -0.7 -9.1 -1.4 -2.1
2025-12-28 61037 -0.5 -7.0 -1.5 -2.1
2025-12-29 61038 0.3 -4.5 -1.7 -2.5
2025-12-30 61039 0.6 -3.7 -1.7 -2.6

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 3.1 1.8
AOS /PTB GPSPPP AO_5 /PT13 1012-2024 / 1001-2022 0.3 2.8 1.2
APL /PTB GPSPPP AP04 /PT13 NC / 1001-2022 0.3 NC
AUS /PTB GPSPPP AU04 /PT13 1015-2021 / 1001-2022 0.3 3.1 1.8
AZ /PTB GPSPPP AZ01 /PT13 2002-2024 / 1001-2022 0.3 7.1 1.2
BEV /PTB GPSPPP BE1_ /PT13 1016-2021 / 1001-2022 0.3 3.1 1.8
BFKH/PTB GPS MC MK01 /PT13 NA_Al / 1001-2022 1.5 7.3 1.7 -193.2 2406
BIM /PTB GPSPPP BM51 /PT13 1016-2023 / 1001-2022 0.3 2.8 1.2
BIRM/PTB GPSPPP BI41 /PT13 1016-2018 / 1001-2022 0.4 3.6 2.6
BSJ /PTB GPS MC JM__ /PT13 2001-2024 / 1001-2022 7.0 7.1 1.2
BY /PTB GPS MC BY46 /PT13 1020-2021 / 1001-2022 1.5 3.3 1.8
CAO /PTB NL
CNES/PTB GPSPPP CS24 /PT13 1011-2025 / 1001-2022 0.3 2.8 1.2
CNM /PTB GPS MC CN00 /PT13 NA_Al / 1001-2022 3.0 4.5 3.1 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT13 1011-2017 / 1001-2022 0.3 5.6 3.1
DFM /PTB GPSPPP DK01 /PT13 1017-2022 / 1001-2022 0.3 2.9 1.5
DFNT/PTB GPS P3 DN__ /PT13 1015-2024 / 1001-2022 0.7 2.8 1.2
DLR /PTB GPSPPP DL11 /PT13 1016-2024 / 1001-2022 0.3 2.8 1.2
DMDM/PTB GPSPPP ZM01 /PT13 2002-2018 / 1001-2022 0.3 7.5 2.7
DTAG/PTB GPSPPP DT05 /PT13 1016-2024 / 1001-2022 0.3 2.8 1.2
ESA /PTB GPSPPP ES07 /PT13 1017-2024 / 1001-2022 0.3 2.8 1.2
HKO /PTB GPSPPP HKO1 /PT13 1011-2018 / 1001-2022 0.3 3.8 2.9
IBM /PTB GPS MC BO__ /PT13 2005-2016 / 1001-2022 4.0 7.7 3.2
ICE /PTB GPSPPP CE__ /PT13 2001-2023 / 1001-2022 0.3 7.1 1.3
IDN /PTB GPSPPP KI03 /PT13 NC / 1001-2022 0.4 NC
IFAG/PTB GPSPPP IF20 /PT13 1016-2024 / 1001-2022 0.3 2.8 1.2
IFZG/PTB GPSPPP HR01 /PT13 1016-2023 / 1001-2022 0.3 2.8 1.2
IMBH/PTB GPSPPP BH02 /PT13 1013-2022 / 1001-2022 0.3 3.0 1.6
INCP/PTB GPS MC CP__ /PT13 1012-2023 / 1001-2022 5.0 4.1 1.2
INM /PTB GPS MC IC__ /PT13 1012-2023 / 1001-2022 3.0 4.1 1.2
INPL/PTB GPSPPP IL06 /PT13 2003-2016 / 1001-2022 0.3 7.7 3.2
INTI/PTB GPSPPP INTI /PT13 1014-2021 / 1001-2022 0.3 3.4 1.7
INXE/PTB GPS P3 NXRA /PT13 1012-2020 / 1001-2022 0.7 3.4 2.3
IPQ /PTB GPSPPP IP05 /PT13 1017-2021 / 1001-2022 0.5 3.2 1.9
JATC/PTB GPSPPP JA02 /PT13 1201-2018 / 1001-2022 0.3 3.8 2.8
JV /PTB GPSPPP JV02 /PT13 1101-2017 / 1001-2022 0.3 5.0 2.9
KRIS/PTB GPSPPP KRP1 /PT13 1015-2021 / 1001-2022 0.3 3.1 1.9
KZ /PTB GPS P3 KZ04 /PT13 1202-2021 / 1001-2022 0.7 4.4 1.8
LRTE/PTB GPS P3 LRR2 /PT13 1201-2025 / 1001-2022 0.7 3.7 1.2
LT /PTB GPSPPP LT03 /PT13 1020-2023 / 1001-2022 0.3 2.8 1.2
LUX /PTB GPSPPP LU01 /PT13 1011-2025 / 1001-2022 0.5 2.8 1.2
MASM NL
MBM /PTB GPSPPP ME01 /PT13 1021-2021 / 1001-2022 0.3 3.0 1.7
MIKE/PTB GPSPPP MI04 /PT13 1019-2023 / 1001-2022 0.3 2.8 1.2
MSL /PTB GPS P3 MS01 /PT13 1015-2021 / 1001-2022 0.7 3.1 1.8
MTC /PTB GPS MC MC02 /PT13 2001-2013 / 1001-2022 4.0 66.4 66.0
NAO /PTB GPS MC NAT2 /PT13 1012-2022 / 1001-2022 2.0 3.8 1.8
NICT/PTB GPSPPP NC5S /PT13 1001-2022 / 1001-2022 0.3 2.1 1.4
NIM /PTB GPSPPP IM02 /PT13 1001-2022 / 1001-2022 0.3 2.1 1.5
NIMB NL
NIMT/PTB GPS P3 MTTN /PT13 1016-2022 / 1001-2022 0.7 3.1 1.5
NIS /PTB GPS P3 IS_5 /PT13 2001-2021 / 1001-2022 0.7 7.3 2.0
NMIJ/PTB GPSPPP NM0F /PT13 1015-2022 / 1001-2022 0.3 3.0 1.7
NMLS/PTB GPSPPP LSM2 /PT13 1011-2023 / 1001-2022 0.3 2.8 1.3
NPLI/PTB GPSPPP LIAA /PT13 1011-2024 / 1001-2022 0.3 2.8 1.2
NRC /PTB GPSPPP NRCC /PT13 1015-2023 / 1001-2022 0.3 2.8 1.2
NRL /PTB GPSPPP RL5B /PT13 1201-2024 / 1001-2022 0.3 2.8 1.2
NSAI/PTB GPSPPP IE01 /PT13 2022-2019 / 1001-2022 0.3 7.4 2.5
NTSC/PTB GPSPPP NT05 /PT13 1016-2018 / 1001-2022 0.3 3.6 2.6
ONBA/PTB GPS MC ON__ /PT13 1014-2021 / 1001-2022 2.0 3.4 1.8
ONRJ/PTB GPSPPP RJ04 /PT13 1012-2020 / 1001-2022 0.3 3.4 2.2
ORB /PTB GPSPPP OR5Z /PT13 1017-2023 / 1001-2022 0.3 2.8 1.2
PL /PTB GPSPPP PL_5 /PT13 1012-2024 / 1001-2022 0.3 2.8 1.2
SASO/PTB GPS P3 SAS0 /PT13 1020-2017 / 1001-2022 1.0 3.9 2.9
SCL /PTB GPSPPP SC05 /PT13 1011-2018 / 1001-2022 0.3 3.8 2.9
SG /PTB GPSPPP SG02 /PT13 1018-2023 / 1001-2022 0.3 2.8 1.2
SIQ /PTB GPSPPP SI01 /PT13 1013-2019 / 1001-2022 0.3 4.2 2.4
SMD /PTB GPSPPP SD31 /PT13 1201-2020 / 1001-2022 0.3 4.5 2.2
SMU /PTB GPS MC SM00 /PT13 1202-2024 / 1001-2022 1.5 6.2 1.2
TL /PTB GPSPPP TLT5 /PT13 1001-2022 / 1001-2022 0.3 2.0 1.4
TP /PTB GPSPPP TP02 /PT13 1013-2021 / 1001-2022 0.3 3.2 1.9
UA /PTB GPS MC UA05 /PT13 2003-2018 / 1001-2022 3.0 7.5 2.8
UAE /PTB GPSPPP AE02 /PT13 2001-2025 / 1001-2022 0.5 7.1 1.2
UME /PTB GPSPPP UM01 /PT13 1011-2016 / 1001-2022 0.3 4.2 3.3
UZ /PTB GPSPPP UZ__ /PT13 1013-2025 / 1001-2022 0.3 2.8 1.2
VMI /PTB GPS P3 VM12 /PT13 1011-2022 / 1001-2022 0.7 3.0 1.6
ZA /PTB GPS P3 ZA02 /PT13 1018-2018 / 1001-2022 7.0 3.7 2.7
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
CH /PTB TWGPPP CH01 /PTB05 0623-2024 0.3 1.1 0.5
IT /PTB TWGPPP IT01 /PTB05 0622-2024 0.3 1.1 0.5
NIST/PTB TWGPPP NIST01/PTB05 0593-2024 0.3 2.0 0.3
NPL /PTB TWGPPP NPL02 /PTB05 0620-2024 0.3 1.1 0.5
OP /PTB TWSDRR OP51 /PTB55 0624-2024 0.3 1.1 0.5
ROA /PTB TWGPPP ROA01 /PTB05 0618-2024 0.3 1.1 0.5
SP /PTB TWGPPP SP01 /PTB05 0621-2024 0.3 1.1 0.5
SU /PTB TWSDRR SU51 /PTB53 NA_Al / 1001-2022 0.3 2.5 1.7 -8.5 2506
USNO/PTB TWGPPP USNO01/PTB05 0534-2021 0.3 2.4 2.2
VSL /PTB TWGPPP VSL01 /PTB05 0616-2024 0.3 1.2 0.5