CIRCULAR T 437

ISSN 1143-1393
2024 JUNE 10, 16h 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_v0.7.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 APR 29 MAY 4 MAY 9 MAY 14 MAY 19 MAY 24 MAY 29 Uncertainty/ns Notes
MJD 60429 60434 60439 60444 60449 60454 60459 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AGGO (La Plata) 693.8 697.1 677.3 685.1 659.0 645.8 633.3 0.7 2.9 3.0
AOS (Borowiec) -20.0 -20.9 -22.8 -24.7 -26.4 -27.5 -27.3 0.2 3.4 3.4
APL (Laurel) -0.4 0.4 1.6 3.0 1.2 0.7 -0.2 0.2 NC -
AUS (Sydney) -243.6 -238.0 -233.9 -203.4 -203.0 -190.2 -173.6 0.2 2.9 2.9
BEV (Wien) -20.6 -19.3 -12.9 -7.2 -4.8 0.5 -3.9 0.2 2.9 2.9
BFKH (Budapest) 10647.2 10696.1 10737.9 10794.9 10844.1 10886.7 10934.6 0.7 7.2 7.2
BIM (Sofiya) 404.0 451.7 504.2 556.2 605.6 655.7 709.9 0.2 2.9 2.9
BIRM (Beijing) -1.6 -0.5 1.6 0.2 -1.5 -1.3 -0.1 0.2 3.3 3.3
BY (Minsk) -2.0 -1.8 -1.7 -2.0 -1.5 -1.4 -1.2 1.5 3.1 3.4
CAO (Cagliari) -12679.6 -12799.2 -12912.9 -13020.6 -13129.8 -13251.6 -13368.7 0.7 NC -
CH (Bern-Wabern) -1.8 -0.1 -0.4 0.1 -1.4 -2.9 -1.2 0.2 1.7 1.7
CNES (Toulouse) 2.3 -1.9 -7.7 -4.5 -1.7 -0.2 -1.0 0.2 2.9 2.9
CNM (Queretaro) 0.4 -2.0 -2.3 -6.7 -4.9 -2.5 -2.0 2.0 4.2 4.6
CNMP (Panama) -10.4 -4.9 13.6 6.8 9.2 4.6 -6.9 0.5 5.4 5.4
DFM (Horsholm) 4.7 4.6 5.3 5.4 5.4 -1.6 -1.0 0.2 2.9 2.9
DFNT (Tunis) -2488.4 -2588.4 -2689.8 -2786.8 -2879.2 -2977.8 -3067.1 0.7 NC -
DLR (Oberpfaffenhofen) - - - - - - -
DMDM (Belgrade) 1.1 10.1 15.9 13.1 -0.6 1.7 -4.3 0.2 3.8 3.8
DTAG (Frankfurt/M) 48.0 41.7 43.1 38.0 33.8 19.3 20.2 0.2 3.3 3.3
ESA (Noordwijk) -1.3 -0.9 -0.4 0.5 0.7 0.5 0.2 0.2 2.9 2.9
HKO (Hong Kong) 149.7 159.1 169.7 182.7 193.0 191.8 205.1 0.4 3.5 3.5
IBM (La Paz) 359.1 361.0 367.7 376.2 370.1 377.1 384.4 4.0 7.5 8.5
ICE (San Jose) 80.8 83.0 97.8 102.7 113.3 124.3 142.9 0.2 7.2 7.2
IDN (Serpong-Tangerang) -8.9 -17.3 -33.3 -47.8 -67.2 -75.8 -79.8 0.2 NC -
IFAG (Wettzell) -725.1 -731.9 -734.5 -736.4 -740.0 -741.4 -740.5 0.2 3.0 3.0
IFZG (Zagreb) -8.8 -7.5 -8.6 -15.5 -3.1 0.2 4.0 0.2 2.9 2.9
IGNA (Buenos Aires) -7746.5 -7834.3 -7911.5 -7978.1 -8049.5 -8123.8 -8200.9 0.2 NC -
IMBH (Sarajevo) 1.4 1.6 1.3 0.7 1.0 0.5 0.4 0.2 2.9 2.9
INCP (Lima) -76.7 -70.1 -71.6 -67.3 - 60.7 65.0 5.0 NC -
INM (Bogota D.C.) -98.8 -98.8 -110.2 -120.9 -128.4 -128.0 -142.2 4.0 NC -
INPL (Jerusalem) -63.5 -68.3 -72.3 23.7 23.5 30.8 23.6 0.2 7.5 7.5 (1)
INTI (Buenos Aires) 225.1 228.5 239.5 237.7 237.8 238.2 218.3 0.2 3.3 3.3
INXE (Rio de Janeiro) -3.8 -3.6 -3.2 6.7 -1.7 12.0 -0.3 0.2 3.1 3.1
IPQ (Caparica) 1212.5 1220.8 1230.4 1240.2 1256.5 1255.1 1265.2 0.2 2.9 2.9
IT (Torino) 0.8 0.5 0.2 0.3 0.3 0.0 0.1 0.5 1.9 2.0
JATC (Lintong) -0.3 0.2 -0.1 0.4 0.4 0.5 0.1 0.7 3.4 3.5
JV (Kjeller) -2.2 -2.2 -0.9 -0.6 0.4 0.6 0.4 0.2 4.7 4.7
KRIS (Daejeon) 1.0 2.0 3.1 4.0 4.8 3.9 2.9 0.2 2.9 2.9
KZ (Astana) -2.3 -2.0 -1.7 -1.6 -0.9 0.2 0.1 0.7 4.3 4.4
LRTE (Sao Carlos) 4.5 2.4 3.6 2.9 3.7 1.7 2.5 0.5 NC -
LT (Vilnius) 340.1 328.6 313.4 313.0 313.7 326.1 336.2 0.2 2.9 2.9
LUX (Belvaux) 30.6 27.7 27.0 18.5 9.3 5.9 2.8 0.2 2.9 2.9
MASM (Bayanzurkh) 25.7 -109.0 -21.0 -173.8 -308.4 -452.5 116.8 0.7 3.4 3.5
MBM (Podgorica) 1537.7 1564.8 1587.6 1610.2 - 1660.7 1677.8 0.4 NC -
MIKE (Espoo) -3.4 -7.7 -7.1 -6.1 -4.9 -3.5 -1.7 0.2 2.9 2.9
MSL (Lower Hutt) 0.5 3.6 -0.5 -1.0 -7.2 -11.5 -11.7 0.7 2.9 3.0
MTC (Makkah) - - - - - - -
NAO (Mizusawa) 1082.7 1105.7 1124.7 1143.9 1162.6 1181.4 1192.7 2.0 3.7 4.2
NICT (Tokyo) -3.5 -3.3 -3.3 -2.9 -2.8 -2.9 -3.1 0.2 2.2 2.2
NIM (Beijing) -0.9 -0.8 -0.4 -0.7 -1.0 -1.1 -1.4 0.2 2.2 2.2
NIMB (Bucharest) 377.8 442.6 475.8 474.1 464.0 464.2 465.1 0.2 7.8 7.8
NIMT (Pathumthani) -4.0 -4.2 1.8 3.6 6.6 14.1 15.0 0.2 3.1 3.1
NIS (Cairo) 67.6 70.8 83.1 89.7 106.0 126.0 139.1 0.7 7.2 7.2
NIST (Boulder) -0.2 0.0 0.3 0.5 0.5 0.1 -0.0 0.2 2.7 2.7
NMIJ (Tsukuba) 4.7 6.0 7.5 -24.9 -70.7 -148.1 -202.5 0.2 2.9 2.9
NMLS (Sepang) -182.2 -183.0 -175.5 -168.6 -158.1 -152.1 -146.5 0.2 2.9 2.9
NPL (Teddington) -1.3 -2.0 -0.9 -0.6 -0.0 -0.4 -0.2 0.2 1.7 1.7
NPLI (New-Delhi) -1.4 -1.5 -1.8 -2.4 -2.8 -3.5 -4.5 0.2 3.5 3.5
NRC (Ottawa) -4.3 -4.5 -4.2 -3.4 -3.2 -2.1 -1.6 0.2 2.9 2.9
NRL (Washington DC) 10.5 -0.1 1.8 1.0 0.7 0.6 0.7 0.2 2.9 2.9 (2)
NSAI (Dublin) 210.6 222.2 218.4 215.0 214.4 209.3 200.2 0.2 7.3 7.3
NTSC (Lintong) 0.2 0.9 0.5 1.3 1.3 1.4 1.3 0.6 3.3 3.4
ONBA (Buenos Aires) 511.5 545.7 549.5 563.0 578.4 580.5 601.7 2.0 212.4 212.4
ONRJ (Rio de Janeiro) 2.2 1.1 2.8 2.9 0.6 -1.1 0.3 0.7 3.0 3.1
OP (Paris) -0.4 -0.7 -1.2 -0.7 -1.1 -1.4 -1.3 0.2 1.6 1.6
ORB (Bruxelles) 0.9 0.6 0.8 0.8 0.5 0.1 -0.4 0.2 2.9 2.9
PL (Warszawa) 1.5 1.4 1.1 1.1 1.7 1.8 2.1 0.3 3.1 3.1
PTB (Braunschweig) -1.8 -1.3 -1.1 -0.8 -0.6 -0.5 -0.4 0.2 1.6 1.6
ROA (San Fernando) -3.4 -2.5 -3.2 -3.6 -3.2 -4.6 -4.8 0.5 1.7 1.8
SASO (Riyadh) -31.3 -25.2 -30.4 -34.7 -37.7 -34.4 -36.3 0.7 3.6 3.7
SCL (Hong Kong) 75.1 75.7 76.4 75.8 81.7 78.2 66.1 0.2 3.5 3.5
SG (Singapore) -0.2 4.1 4.9 -0.7 0.1 4.0 4.9 0.2 2.9 2.9
SIQ (Ljubljana) 327.0 339.9 342.9 353.5 357.5 377.0 374.6 0.2 4.0 4.0
SMD (Bruxelles) -4.4 -4.5 -3.7 -3.1 -2.6 -3.1 -3.3 0.2 3.7 3.7
SMU (Bratislava) -255.8 -311.0 - - - - - 6.0 170.5 170.6
SP (Boras) -0.3 -0.4 -0.4 -0.4 -0.5 -0.6 -0.6 0.2 1.9 1.9
SU (Moskva) -0.4 -0.1 -0.1 0.1 0.2 0.4 0.8 0.2 2.1 2.1
TL (Chung-Li) 0.5 1.1 1.9 2.5 2.6 2.4 2.3 0.2 2.2 2.2
TP (Praha) 9.1 9.8 -1.3 -7.2 -11.6 -17.7 -1.5 0.2 2.9 2.9
UA (Kharkiv) 6.2 - -0.5 1.2 - - -2.6 3.0 7.4 8.0
UAE (Abu Dhabi) - - - - - - -
UME (Gebze-Kocaeli) -2.3 -0.8 0.5 0.8 -0.9 0.8 -0.3 0.2 3.9 3.9
USNO (Washington DC) 0.4 -0.2 -0.4 -0.5 -0.8 -0.6 -0.7 0.2 2.1 2.1
UTE (Montevideo) - - - - - - -
UZ (Tashkent) 256.8 282.1 306.1 332.7 351.4 376.1 378.4 0.2 7.2 7.2
VMI (Ha Noi) -38.7 -21.2 -4.2 19.8 37.6 62.3 77.3 0.7 3.1 3.2
VSL (Delft) 3.8 1.6 1.5 2.6 2.7 3.8 3.3 0.2 1.7 1.7
ZA (Pretoria) -7.2 -7.4 -6.1 -6.3 -6.2 -7.8 -9.1 2.0 3.4 3.9
- Notes on section 1:
(1) INPL : Time step of UTC(INPL) of -100 ns on MJD 60442.30.
(2) NRL : Apparent time step of UTC(NRL) of +10.9 ns between MJD 60429 and 60434 due to calibration.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 60429 - 60459 6.499x10-13 (2024 APR 29 - 2024 MAY 29)
New correction 60459 - 60489 6.499x10-13 (2024 MAY 29 - 2024 JUN 28)
New correction foreseen 60489 - 60519 6.499x10-13 (2024 JUN 28 - 2024 JUL 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 60429 60459 -5.40 8.00 8.00 0.00 0.00 0.10 11.31 PFS/NA T148 8.00 100.0 T436 34 Y (1)
PTB-CS2 60429 60459 -3.93 5.00 12.00 0.00 0.00 0.10 13.00 PFS/NA T148 12.00 100.0 T436 36 Y (1)
KRISS-Yb1 60439 60444 -0.20 0.02 0.04 0.43 0.07 0.65 0.79 0.19 [1] T405 0.03 7.4 T436 34 Y (2)
NRC-FCs2 60429 60459 0.45 0.15 0.21 0.18 0.00 0.17 0.36 PFS/NA T389 0.23 67.2 T436 38 Y (3)
NTSC-CsF2 60434 60459 -0.09 0.55 0.37 0.10 0.00 0.46 0.81 PFS/NA T435 0.43 99.3 T436 19 Y (4)
SYRTE-FO1 60429 60459 -0.05 0.44 0.34 0.09 0.00 0.17 0.59 PFS/NA T301 0.37 62.3 T436 20 Y (5)
SYRTE-FO2 60444 60459 0.42 0.40 0.27 0.24 0.00 0.24 0.59 PFS/NA T301 0.23 39.6 T436 36 Y (5)
SYRTE-FORb 60429 60459 0.65 0.40 0.25 0.09 0.00 0.17 0.51 0.34 [1] T328 0.34 56.7 T436 32 Y (5)
PTB-CSF1 60429 60454 0.36 0.10 0.54 0.03 0.00 0.12 0.56 PFS/NA T371 0.27 94.2 T436 29 Y (6)
PTB-CSF2 60429 60454 0.15 0.11 0.17 0.01 0.00 0.12 0.24 PFS/NA T370 0.17 95.8 T436 41 Y (6)
SU-CsFO2 60429 60459 -0.44 0.17 0.22 0.11 0.00 0.17 0.34 PFS/NA T315 0.50 93.1 T436 34 Y (7)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report dated 03 JUN. 2024 by KRISS
(3) Report dated 03 JUN. 2024 by NRC
(4) Report dated 03 JUN. 2024 by NTSC
(5) Report dated 04 JUN. 2024 by LNE-SYRTE
(6) Report dated 27 MAY. 2024 by PTB
(7) Report dated 04 JUN. 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

Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD 60069-60459, and corresponding uncertainties.

Period of estimation d u
60429-60459 0.11x10-15 0.14x10-15 (2024 APR 29 - 2024 MAY 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
2024-04-29 60429 -0.2 4.2 1.4 -5.4
2024-04-30 60430 -0.8 4.7 1.3 -5.7
2024-05-01 60431 3.3 4.6 0.4 -6.1
2024-05-02 60432 0.5 1.2 0.3 -7.2
2024-05-03 60433 0.2 2.0 -0.7 -7.0
2024-05-04 60434 -0.0 1.2 -0.5 -6.7
2024-05-05 60435 -0.7 1.4 -0.4 -6.8
2024-05-06 60436 1.2 -0.8 -0.5 -6.9
2024-05-07 60437 2.1 -0.1 -0.2 -7.2
2024-05-08 60438 -0.3 1.2 0.3 -7.6
2024-05-09 60439 -0.5 -2.3 1.3 -7.1
2024-05-10 60440 -0.1 0.2 0.8 -7.1
2024-05-11 60441 0.3 -1.9 -0.5 -7.1
2024-05-12 60442 0.5 1.5 -0.3 -7.0
2024-05-13 60443 0.7 1.9 -0.0 -7.0
2024-05-14 60444 0.6 5.8 -0.5 -7.6
2024-05-15 60445 1.5 6.1 -0.6 -7.3
2024-05-16 60446 -0.9 3.6 -0.7 -8.3
2024-05-17 60447 0.2 0.9 -1.1 -7.7
2024-05-18 60448 1.2 -0.3 0.1 -7.4
2024-05-19 60449 1.9 -2.7 -0.5 -7.3
2024-05-20 60450 -1.4 -0.6 -1.5 -7.5
2024-05-21 60451 0.8 -0.2 -1.1 -7.7
2024-05-22 60452 -0.5 -1.8 -0.5 -7.9
2024-05-23 60453 1.3 -2.8 1.0 -7.6
2024-05-24 60454 2.0 -2.6 0.3 -8.3
2024-05-25 60455 -2.5 -2.4 0.3 -7.6
2024-05-26 60456 0.8 -5.3 0.1 -7.4
2024-05-27 60457 -0.2 -4.4 -0.2 -7.4
2024-05-28 60458 -0.4 -3.4 -0.5 -7.6
2024-05-29 60459 0.5 -5.5 -2.3 -4.5

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 / 1001-2020 0.7 2.9 1.5
AOS /PTB GPSPPP AO_4 /PT13 1014-2018 / 1001-2020 0.3 3.4 2.3
APL /PTB GPSPPP AP04 /PT13 NC / 1001-2020 0.3 NC
AUS /PTB GPSPPP AU04 /PT13 1015-2021 / 1001-2020 0.3 2.9 1.5
BEV /PTB GPSPPP BE1_ /PT13 1016-2021 / 1001-2020 0.3 2.9 1.5
BFKH/PTB GPS P3 MK02 /PT13 2002-2022 / 1001-2020 0.7 7.2 1.5
BIM /PTB GPSPPP BM51 /PT13 1016-2023 / 1001-2020 0.3 2.9 1.5
BIRM/PTB GPSPPP BI41 /PT13 1016-2018 / 1001-2020 0.3 3.3 2.2
BY /PTB GPS MC BY46 /PT13 1020-2021 / 1001-2020 1.5 3.1 1.5
CAO /PTB GPS P3 CA__ /PT13 NC / 1001-2020 0.7 NC
CNES/PTB GPSPPP CS23 /PT13 1012-2021 / 1001-2020 0.3 2.9 1.5
CNM /PTB GPS MC CN00 /PT13 NA_Al / 1001-2020 2.0 4.2 2.7 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT13 1011-2017 / 1001-2020 0.5 5.4 2.7
DFM /PTB GPSPPP DK01 /PT13 1017-2022 / 1001-2020 0.3 2.9 1.5
DFNT/PTB GPS P3 DN__ /PT13 NC_Al / 1001-2020 0.7 NC 16.9 1507
DLR /PTB NL
DMDM/PTB GPSPPP ZM68 /PT13 1011-2016 / 1001-2020 0.3 3.8 2.9
DTAG/PTB GPSPPP DT05 /PT13 1012-2019 / 1001-2020 0.3 3.3 2.0
ESA /PTB GPSPPP ES07 /PT13 1014-2022 / 1001-2020 0.3 2.9 1.5
HKO /PTB GPSPPP HKO1 /PT13 1011-2018 / 1001-2020 0.4 3.5 2.5
IBM /PTB GPS MC BO__ /PT13 2005-2016 / 1001-2020 4.0 7.5 2.8
ICE /PTB GPSPPP CE__ /PT13 2001-2023 / 1001-2020 0.3 7.2 1.5
IDN /PTB GPSPPP KI03 /PT13 NC / 1001-2020 0.3 NC
IFAG/PTB GPSPPP IF20 /PT13 1014-2020 / 1001-2020 0.3 3.0 1.6
IFZG/PTB GPSPPP HR01 /PT13 1016-2023 / 1001-2020 0.3 2.9 1.5
IGNA/PTB GPSPPP IG02 /PT13 NC_Al / 1001-2020 0.3 NC -7.0 2106
IMBH/PTB GPSPPP BH03 /PT13 1013-2022 / 1001-2020 0.3 2.9 1.5
INCP/PTB GPS MC CP__ /PT13 NC / 1001-2020 5.0 NC
INM /PTB GPS MC IC__ /PT13 NC / 1001-2020 4.0 NC
INPL/PTB GPSPPP IL06 /PT13 2003-2016 / 1001-2020 0.3 7.5 2.8
INTI/PTB GPSPPP INTI /PT13 1014-2021 / 1001-2020 0.3 3.3 1.5
INXE/PTB GPSPPP NXRA /PT13 1012-2020 / 1001-2020 0.3 3.1 1.8
IPQ /PTB GPSPPP IP05 /PT13 1017-2021 / 1001-2020 0.3 2.9 1.5
JATC/PTB GPS P3 JA01 /PT13 1201-2018 / 1001-2020 0.7 3.4 2.3
JV /PTB GPSPPP JV02 /PT13 1101-2017 / 1001-2020 0.3 4.7 2.5
KRIS/PTB GPSPPP KRP1 /PT13 1015-2021 / 1001-2020 0.3 2.9 1.5
KZ /PTB GPS P3 KZ04 /PT13 1202-2021 / 1001-2020 0.7 4.3 1.5
LRTE/PTB GPSPPP LRR2 /PT13 NC / 1001-2020 0.5 NC
LT /PTB GPSPPP LT03 /PT13 1020-2023 / 1001-2020 0.3 2.9 1.5
LUX /PTB GPSPPP LU02 /PT13 1014-2023 / 1001-2020 0.3 2.9 1.5
MASM/PTB GPS P3 MN__ /PT13 1019-2018 / 1001-2020 0.7 3.4 2.3
MBM /PTB GPSPPP ME01 /PT13 NC / 1001-2020 0.4 NC
MIKE/PTB GPSPPP MI04 /PT13 1019-2023 / 1001-2020 0.3 2.9 1.5
MSL /PTB GPS P3 MS01 /PT13 1015-2021 / 1001-2020 0.7 2.9 1.5
MTC /PTB NL
NAO /PTB GPS MC NAT2 /PT13 1012-2022 / 1001-2020 2.0 3.7 1.5
NICT/PTB GPSPPP NC4S /PT13 1001-2020 / 1001-2020 0.3 2.2 1.7
NIM /PTB GPSPPP IM15 /PT13 1001-2020 / 1001-2020 0.3 2.2 1.6
NIMB/PTB GPSPPP MB02 /PT13 NA_Al / 1001-2020 0.3 7.8 3.2 30.5 2304
NIMT/PTB GPSPPP MTTN /PT13 1016-2022 / 1001-2020 0.3 3.1 1.5
NIS /PTB GPS P3 IS_5 /PT13 2001-2021 / 1001-2020 0.7 7.2 1.5
NMIJ/PTB GPSPPP NM0D /PT13 1015-2022 / 1001-2020 0.3 2.9 1.5
NMLS/PTB GPSPPP LSM2 /PT13 1011-2023 / 1001-2020 0.3 2.9 1.5
NPLI/PTB GPSPPP LI2P /PT13 1013-2018 / 1001-2020 0.3 3.5 2.5
NRC /PTB GPSPPP NRCC /PT13 1015-2023 / 1001-2020 0.3 2.9 1.5
NRL /PTB GPSPPP RL5B /PT13 1201-2024 / 1001-2020 0.3 2.9 1.5
NSAI/PTB GPSPPP IE01 /PT13 2022-2019 / 1001-2020 0.3 7.3 2.0
NTSC/PTB GPS P3 NT05 /PT13 1016-2018 / 1001-2020 0.7 3.3 2.2
ONBA/PTB GPS MC ON__ /PT13 1002-2004 / 1001-2020 2.0 212.4 212.3
ONRJ/PTB GPS P3 RJ03 /PT13 1012-2020 / 1001-2020 0.7 3.0 1.7
ORB /PTB GPSPPP OR5Z /PT13 1017-2023 / 1001-2020 0.3 2.9 1.5
PL /PTB GPSPPP PL_3 /PT13 1301-2021 / 1001-2020 0.4 3.1 1.5
SASO/PTB GPS P3 SAS0 /PT13 1020-2017 / 1001-2020 0.7 3.6 2.5
SCL /PTB GPSPPP SC05 /PT13 1011-2018 / 1001-2020 0.3 3.5 2.5
SG /PTB GPSPPP SG02 /PT13 1018-2023 / 1001-2020 0.3 2.9 1.5
SIQ /PTB GPSPPP SI01 /PT13 1013-2019 / 1001-2020 0.3 4.0 1.9
SMD /PTB GPSPPP SD01 /PT13 1014-2017 / 1001-2020 0.3 3.7 2.7
SMU /PTB GPS MC SM00 /PT13 NA_Al / 1001-2020 6.0 170.5 170.3 57.8 0908
SU /PTB GPSPPP SU52 /PT13 1001-2020 / 1001-2020 0.3 2.1 1.5
TL /PTB GPSPPP TLT1 /PT13 1001-2020 / 1001-2020 0.3 2.2 1.6
TP /PTB GPSPPP TP01 /PT13 1013-2021 / 1001-2020 0.3 2.9 1.5
UA /PTB GPS MC UA05 /PT13 2003-2018 / 1001-2020 3.0 7.4 2.3
UAE /PTB NL
UME /PTB GPSPPP UM01 /PT13 1011-2016 / 1001-2020 0.3 3.9 2.9
UTE /PTB NL
UZ /PTB GPSPPP UZ__ /PT13 2005-2022 / 1001-2020 0.3 7.2 1.5
VMI /PTB GPS P3 VM12 /PT13 NA_Al / 1001-2020 0.7 3.1 1.5 -4.7 2306
ZA /PTB GPS P3 ZA02 /PT13 1018-2018 / 1001-2020 2.0 3.4 2.3
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
CH /PTB TWGPPP CH01 /PTB05 0543-2021 0.3 1.7 1.2
IT /PTB TWSTFT IT01 /PTB05 0584-2022 0.5 1.9 1.4
NIST/PTB TWGPPP NIST01/PTB05 0533-2021 0.3 2.7 2.2
NPL /PTB TWGPPP NPL02 /PTB05 0550-2021 0.3 1.7 1.2
OP /PTB TWSDRR OP51 /PTB55 0546-2021 0.3 1.6 1.3
ROA /PTB TWSTFT ROA01 /PTB05 0547-2021 0.5 1.7 1.3
SP /PTB TWGPPP SP01 /PTB05 0548-2021 0.3 1.9 1.4
USNO/PTB TWGPPP USNO01/PTB05 0534-2021 0.3 2.1 1.9
VSL /PTB TWGPPP VSL01 /PTB05 0549-2021 0.3 1.7 1.2