CIRCULAR T 428 ISSN 1143-1393
2023 SEPTEMBER 07, 12h 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 2023 0h UTC JUL 29 AUG 3 AUG 8 AUG 13 AUG 18 AUG 23 AUG 28 Uncertainty/ns Notes
MJD 60154 60159 60164 60169 60174 60179 60184 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AGGO (La Plata) 846.2 838.1 827.6 824.2 826.1 813.7 805.8 0.7 2.9 3.0
AOS (Borowiec) -3.6 -3.4 -3.4 -2.8 -2.7 -2.6 -2.9 0.3 3.4 3.4
APL (Laurel) -1.2 -1.2 -1.5 -1.3 -1.7 -1.6 -1.2 0.3 19.8 19.8
AUS (Sydney) -439.3 -436.8 -440.0 -427.6 -427.1 -424.8 -438.1 0.3 2.9 2.9
BEV (Wien) 28.6 16.2 17.3 5.6 -3.2 -3.0 -2.3 0.3 2.9 2.9
BFKH (Budapest) 8036.7 8079.8 8125.5 8161.7 8201.5 8240.4 8290.9 1.5 20.0 20.1
BIM (Sofiya) 18301.3 18282.9 18313.2 18314.8 18326.3 18330.7 18323.6 0.3 7.3 7.3
BIRM (Beijing) -0.5 -3.7 2.9 758.4 -17.1 -12.9 -5.9 0.7 3.3 3.4 (1)
BY (Minsk) -1.2 -0.7 0.8 0.5 -1.1 -1.1 -1.2 1.5 3.0 3.3
CAO (Cagliari) -6338.4 -6461.3 -6575.4 -6691.3 -6799.7 -6916.4 -7029.3 1.5 20.0 20.1
CH (Bern-Wabern) 1.6 2.3 1.9 1.7 1.1 0.5 0.0 0.3 1.7 1.8
CNES (Toulouse) -0.6 -0.8 0.8 1.1 -2.5 -5.8 -3.6 0.3 2.9 2.9
CNM (Queretaro) -1.5 0.4 -1.3 -0.1 -2.4 -1.3 -2.2 1.5 4.2 4.4
CNMP (Panama) -0.1 5.8 6.4 3.5 2.0 4.1 -7.6 0.3 5.3 5.4
DFM (Horsholm) -3.0 -2.6 -3.1 -3.3 -0.9 -1.3 -1.8 0.3 2.9 2.9
DFNT (Tunis) 496.6 597.9 694.4 801.5 896.5 1001.8 1092.2 0.7 20.0 20.0
DLR (Oberpfaffenhofen) - - - - - - -
DMDM (Belgrade) -16.3 -0.4 10.6 11.3 14.0 15.7 12.1 0.3 3.8 3.8
DTAG (Frankfurt/M) -6.3 -9.8 -10.6 -13.4 -18.6 -21.4 -27.8 0.3 3.2 3.2
ESA (Noordwijk) 1.5 1.3 0.7 0.5 0.3 0.1 -0.2 0.3 2.8 2.9
HKO (Hong Kong) 411.8 426.7 447.9 465.1 485.0 494.6 515.9 0.5 3.5 3.5
IBM (La Paz) 110.4 109.5 - - 108.9 103.6 115.0 4.0 7.5 8.5
ICE (San Jose) 77.5 67.9 45.0 21.1 1.1 10.6 12.5 3.5 7.3 8.1
IDN (Serpong-Tangerang) 1682.1 1699.1 1732.7 1725.4 1744.7 1731.5 1738.4 0.3 3.3 3.3
IFAG (Wettzell) -796.2 -788.9 -789.9 -792.9 -792.3 -789.6 -789.5 0.3 2.9 2.9
IGNA (Buenos Aires) -3765.7 -3833.5 -3899.3 -3980.2 -4048.6 -4114.0 -4189.5 0.3 20.0 20.0
IMBH (Sarajevo) 0.0 0.7 0.3 0.7 0.5 0.6 0.3 0.3 2.9 2.9
INCP (Lima) 1835.0 1695.9 1560.6 1407.5 1282.6 1239.2 1228.8 5.0 20.0 20.6
INM (Bogota D.C.) -123.5 -127.6 -107.9 -95.6 -95.2 -76.1 -62.9 2.5 20.0 20.2
INPL (Jerusalem) 4.2 12.2 7.5 5.2 7.9 5.1 11.3 0.3 7.5 7.5
INTI (Buenos Aires) 274.1 274.4 291.1 289.3 281.6 275.0 271.2 0.3 3.2 3.2
INXE (Rio de Janeiro) 6.0 -1.1 -1.5 21.4 -10.4 -9.8 1.2 0.3 3.1 3.1
IPQ (Caparica) - 867.7 889.0 899.2 907.2 - 911.7 0.3 2.9 2.9
IT (Torino) 2.0 2.3 1.8 1.6 1.3 1.2 1.0 0.3 1.9 1.9
JATC (Lintong) 0.8 1.0 1.1 0.8 0.3 0.1 -0.1 0.3 3.4 3.4
JV (Kjeller) 1.9 2.4 1.0 0.2 0.1 -0.5 2.2 0.3 4.6 4.6
KRIS (Daejeon) 5.0 4.8 4.5 4.2 3.4 2.4 0.8 0.3 2.9 2.9
KZ (Astana) 7.4 6.7 4.2 3.6 2.9 0.8 -0.1 0.7 4.3 4.3
LRTE (Sao Carlos) 0.0 -3.5 4.8 -4.8 -9.6 -5.9 -0.4 0.7 20.0 20.0
LT (Vilnius) - - - - - - -
LUX (Belvaux) -4.5 -16.5 -12.4 -15.8 -5.3 -0.4 1.6 0.3 2.9 2.9
MASM (Bayanzurkh) -2153.6 -2210.7 -2247.2 -2297.5 -350.8 -411.1 -469.6 0.3 3.3 3.3 (2)
MBM (Podgorica) 3117.1 3143.6 3169.6 3204.4 3230.1 3244.1 3264.6 0.3 20.0 20.0
MIKE (Espoo) 3.3 4.3 5.1 6.1 5.3 4.2 3.4 0.3 3.1 3.1
MSL (Lower Hutt) 64.0 68.8 71.8 73.5 76.2 77.3 70.3 0.7 2.9 3.0
MTC (Makkah) -3661.4 -3676.7 -3689.7 -3710.6 -3729.9 -3744.1 -3754.7 1.0 7.8 7.9
NAO (Mizusawa) 144.3 151.7 390.4 398.0 410.0 419.0 433.3 2.0 3.7 4.2 (3)
NICT (Tokyo) -0.8 -0.4 -0.4 -0.6 -1.1 -0.2 -0.7 0.3 2.0 2.0
NIM (Beijing) -1.5 -1.7 -2.0 -2.0 -2.1 -2.1 -2.0 0.5 2.0 2.1
NIMB (Bucharest) 122.5 118.5 114.7 108.6 99.1 87.8 85.1 1.5 7.6 7.8
NIMT (Pathumthani) 9.7 3.8 6.3 13.5 8.8 4.5 -5.1 0.3 2.9 2.9
NIS (Cairo) 7.7 4.6 8.1 11.8 24.4 24.4 28.3 0.4 7.1 7.1
NIST (Boulder) 0.6 0.8 0.0 -0.7 -1.3 -0.7 -0.2 0.3 2.7 2.7
NMIJ (Tsukuba) 1.6 5.2 8.7 10.2 9.7 9.8 9.7 0.3 2.8 2.9
NMLS (Sepang) -849.6 -852.6 -864.6 -845.7 -802.4 -757.9 -716.7 0.3 2.0 2.1
NPL (Teddington) 0.2 0.5 1.2 -0.5 -0.7 -2.2 -2.2 0.3 1.7 1.8
NPLI (New-Delhi) 2.1 2.3 2.0 2.1 1.7 1.5 2.5 0.3 3.3 3.3
NRC (Ottawa) 1.7 1.7 1.2 2.0 1.6 1.8 1.0 0.3 3.5 3.5
NRL (Washington DC) 1.3 2.6 3.4 3.5 2.8 1.0 -0.4 0.3 20.0 20.0
NSAI (Dublin) 36.5 - - - - - 26.7 0.3 7.2 7.2
NTSC (Lintong) 0.6 0.4 0.2 0.4 0.4 0.1 0.3 0.5 3.0 3.0
ONBA (Buenos Aires) 2997.7 3028.2 3030.9 3065.0 3089.4 3088.6 3079.6 2.0 11.2 11.4
ONRJ (Rio de Janeiro) 2.4 2.0 3.3 3.9 3.9 2.4 1.8 0.7 3.0 3.1
OP (Paris) -2.7 -3.2 -4.0 -3.8 -3.4 -2.9 -2.7 0.3 1.6 1.6
ORB (Bruxelles) 1.5 1.6 1.5 1.2 0.1 0.8 0.9 0.3 3.0 3.0
PL (Warszawa) 0.0 0.5 0.8 1.1 1.3 1.9 1.7 0.7 2.8 2.9
PTB (Braunschweig) 0.0 0.2 0.0 0.1 -0.1 0.1 0.1 0.1 0.7 0.7
ROA (San Fernando) -0.4 -0.8 -2.0 -3.0 -3.2 -2.6 -2.2 0.3 1.7 1.8
SASO (Riyadh) -145.2 -124.5 -106.6 -87.8 -66.6 -45.1 -27.6 0.3 3.5 3.5
SCL (Hong Kong) 59.2 54.5 54.2 55.1 50.6 40.1 36.5 0.3 3.5 3.5
SG (Singapore) 10.9 7.7 -7.2 -2.5 -1.2 7.0 19.9 0.3 3.3 3.3
SIQ (Ljubljana) 24.1 34.5 28.7 41.1 36.2 42.1 51.3 0.3 4.0 4.0
SL (Colombo) - - - - - - -
SMD (Bruxelles) -0.7 -1.5 -1.5 -1.6 -1.1 -0.4 0.4 0.3 3.5 3.5
SMU (Bratislava) 244.5 254.2 357.1 352.4 292.1 241.5 246.3 6.0 12.2 13.6
SP (Boras) -0.5 -0.5 -0.9 -1.1 -1.2 -0.8 -0.4 0.3 1.8 1.9
SU (Moskva) -2.0 -1.5 -1.4 -1.2 -0.9 -0.4 -0.4 0.3 1.7 1.7
TL (Chung-Li) 0.7 1.3 1.3 2.5 2.9 2.0 2.1 0.3 2.1 2.1
TP (Praha) 24.7 17.4 6.6 -4.7 1.6 -3.4 -8.8 0.3 2.9 2.9
UA (Kharkiv) -3.8 -9.7 - 1.5 - -0.1 - 1.5 7.3 7.5
UAE (Abu Dhabi) 20.5 23.3 38.9 37.7 23.2 18.6 23.3 10.0 4.7 11.0
UME (Gebze-Kocaeli) -0.2 0.5 2.0 -1.0 0.5 -0.9 0.0 0.3 3.7 3.7
USNO (Washington DC) -0.3 0.2 -0.6 0.2 0.4 0.2 -0.2 0.3 1.7 1.8
UTE (Montevideo) 3.7 32.1 31.8 24.4 25.5 50.1 48.1 3.0 7.6 8.2
VMI (Ha Noi) 21.5 14.1 7.2 6.2 -8.0 -16.3 -5.8 0.7 3.0 3.1
VSL (Delft) 6.1 -0.5 7.8 13.5 10.2 4.9 1.6 0.3 1.7 1.8
ZA (Pretoria) -1.9 -3.2 -5.2 -5.2 -4.6 -4.6 -3.5 1.0 3.2 3.4
- Notes on section 1:
(1) BIRM : Apparent time step of UTC(BIRM) of about -750 ns on MJD 60167.75 and +760 ns on MJD 60170.27.
(2) MASM : Time step of UTC(MASM) of -2000 ns on MJD 60170.22.
(3) NAO : Time step of UTC(NAO) of -218 ns on MJD 60163 due to calibration.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 60154 - 60184 6.498x10-13 (2023 JUL 29 - 2023 AUG 28)
New correction 60184 - 60214 6.498x10-13 (2023 AUG 28 - 2023 SEP 27)
New correction foreseen 60214 - 60244 6.498x10-13 (2023 SEP 27 - 2023 OCT 27)

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 60154 60184 -4.46 8.00 8.00 0.00 0.00 0.07 11.31 PFS/NA T148 8.00 100.0 T427 34 Y (1)
PTB-CS2 60154 60184 -1.41 5.00 12.00 0.00 0.00 0.07 13.00 PFS/NA T148 12.00 100.0 T427 36 Y (1)
KRISS-Yb1 60154 60184 -0.37 0.00 0.04 0.11 0.07 0.20 0.24 0.19 [1] T405 0.03 37.5 T427 27 Y (2)
NPL-CsF2 60154 60169 0.27 0.12 0.23 0.10 0.05 0.37 0.46 PFS/NA T284 0.23 91.1 T427 40 Y (3)
NRC-FCs2 60154 60184 -0.65 0.13 0.22 0.11 0.00 0.20 0.34 PFS/NA T389 0.23 89.9 T427 37 Y (4)
SYRTE-FO2 60154 60184 0.49 0.20 0.30 0.05 0.00 0.20 0.41 PFS/NA T301 0.23 91.7 T427 35 Y (5)
SYRTE-FORb 60154 60184 0.11 0.20 0.31 0.05 0.00 0.20 0.42 0.34 [1] T328 0.34 90.3 T427 34 Y (5)
PTB-CSF1 60154 60184 0.09 0.09 0.47 0.01 0.00 0.07 0.48 PFS/NA T371 0.27 96.9 T427 29 Y (6)
PTB-CSF2 60134 60154 -0.47 0.14 0.17 0.01 0.00 0.09 0.24 PFS/NA T370 0.17 98.3 T427 40 Y (6)
PTB-CSF2 60154 60184 -0.11 0.10 0.17 0.02 0.00 0.07 0.21 PFS/NA T370 0.17 95.9 T427 40 Y (6)
SU-CsFO2 60154 60184 0.51 1.10 0.22 0.14 0.00 0.20 1.15 PFS/NA T315 0.50 66.4 T427 33 Y (7)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report dated 08 AUG. 2023 by KRISS
(3) Report dated 30 AUG. 2023 by NPL
(4) Report dated 31 AUG. 2023 by NRC
(5) Report dated 04 SEP. 2023 by LNE-SYRTE
(6) Report dated 01 SEP. 2023 by PTB
(7) Report dated 04 SEP. 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 59794-60184, and corresponding uncertainties.

Period of estimation d u
60154-60184 -0.11x10-15 0.12x10-15 (2023 JUL 29 - 2023 AUG 28)

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'= 0.9 ns, σ1'= 6.8 ns

2023 0h UTC MJD C0'/ns N0 C1'/ns N1'
JUL 29 60154 0.4 88 35.3* 87
JUL 30 60155 0.0 88 35.2* 90
JUL 31 60156 0.7 88 37.2* 87
AUG 1 60157 1.0 87 38.4* 87
AUG 2 60158 0.7 87 38.7* 88
AUG 3 60159 1.8 88 39.4* 84
AUG 4 60160 1.0 87 41.8* 89
AUG 5 60161 -0.1 86 41.3* 89
AUG 6 60162 0.3 86 39.9* 82
AUG 7 60163 -0.8 88 39.9* 40
AUG 8 60164 -0.8 86 43.3 52
AUG 9 60165 0.1 81 41.7 83
AUG 10 60166 -0.1 86 41.7 87
AUG 11 60167 0.9 83 41.5 90
AUG 12 60168 1.4 85 42.0 77
AUG 13 60169 -0.8 84 42.2 87
AUG 14 60170 0.2 85 40.0 87
AUG 15 60171 1.1 83 38.7 87
AUG 16 60172 -0.2 84 36.6 83
AUG 17 60173 1.1 81 35.0 88
AUG 18 60174 2.4 81 36.2 84
AUG 19 60175 2.6 82 38.0 88
AUG 20 60176 1.5 83 38.6 86
AUG 21 60177 3.2 80 43.2 88
AUG 22 60178 1.7 81 48.3 89
AUG 23 60179 -0.2 83 49.6 89
AUG 24 60180 0.4 81 50.0 88
AUG 25 60181 0.1 85 47.8 87
AUG 26 60182 -0.6 81 42.9 89
AUG 27 60183 -0.1 83 42.0 86
AUG 28 60184 1.6 81 42.5 86

(*) An apparent time step of about 82 ns due to an anomaly on the AOS reference receiver was compensated.

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 2.8 1.2
AOS /PTB GPSPPP AO_4 /PT13 1014-2018 / 1001-2020 0.3 3.3 2.1
APL /PTB GPSPPP AP04 /PT13 NC / 1001-2020 0.3 20.0
AUS /PTB GPSPPP AU04 /PT13 1015-2021 / 1001-2020 0.3 2.8 1.2
BEV /PTB GPSPPP BE1_ /PT13 1016-2021 / 1001-2020 0.3 2.8 1.2
BFKH/PTB GPS MC MK01 /PT13 NC / 1001-2020 1.5 20.0
BIM /PTB GPSPPP BM51 /PT13 2007-2019 / 1001-2020 0.3 7.3 1.9
BIRM/PTB GPS P3 BI41 /PT13 1016-2018 / 1001-2020 0.7 3.2 1.9
BY /PTB GPS MC BY46 /PT13 1020-2021 / 1001-2020 1.5 2.9 1.2
CAO /PTB GPS MC CA__ /PT13 NC / 1001-2020 1.5 20.0
CNES/PTB GPSPPP CS23 /PT13 1012-2021 / 1001-2020 0.3 2.8 1.2
CNM /PTB GPS MC CN00 /PT13 NA_Al / 1001-2020 1.5 4.1 2.5 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT13 1011-2017 / 1001-2020 0.3 5.3 2.5
DFM /PTB GPSPPP DK01 /PT13 1017-2022 / 1001-2020 0.3 2.8 1.2
DFNT/PTB GPS P3 DN__ /PT13 NC_Al / 1001-2020 0.7 20.0 10.3 1507
DLR /PTB NL
DMDM/PTB GPSPPP ZM68 /PT13 1011-2016 / 1001-2020 0.3 3.7 2.7
DTAG/PTB GPSPPP DT05 /PT13 1012-2019 / 1001-2020 0.3 3.1 1.8
ESA /PTB GPSPPP ES07 /PT13 1014-2022 / 1001-2020 0.3 2.8 1.2
HKO /PTB GPSPPP HKO1 /PT13 1011-2018 / 1001-2020 0.5 3.4 2.2
IBM /PTB GPS MC BO__ /PT13 2005-2016 / 1001-2020 4.0 7.5 2.6
ICE /PTB GPS MC CE1_ /PT13 NA_Al / 1001-2020 3.5 7.3 1.9 -16.5 2111
IDN /PTB GPSPPP KI01 /PT13 1017-2018 / 1001-2020 0.3 3.2 2.0
IFAG/PTB GPSPPP IF20 /PT13 1014-2020 / 1001-2020 0.3 2.8 1.3
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 2.8 1.2
INCP/PTB GPS MC CP__ /PT13 NC / 1001-2020 5.0 20.0
INM /PTB GPS MC IC__ /PT13 NC / 1001-2020 2.5 20.0
INPL/PTB GPSPPP IL06 /PT13 2003-2016 / 1001-2020 0.3 7.5 2.6
INTI/PTB GPSPPP INTI /PT13 1014-2021 / 1001-2020 0.3 3.1 1.2
INXE/PTB GPSPPP NXRA /PT13 1012-2020 / 1001-2020 0.3 3.0 1.6
IPQ /PTB GPSPPP IP05 /PT13 1017-2021 / 1001-2020 0.3 2.8 1.2
JATC/PTB GPSPPP JA01 /PT13 1201-2018 / 1001-2020 0.3 3.3 2.1
JV /PTB GPSPPP JV02 /PT13 1101-2017 / 1001-2020 0.3 4.6 2.3
KRIS/PTB GPSPPP KRP1 /PT13 1015-2021 / 1001-2020 0.3 2.8 1.2
KZ /PTB GPS P3 KZ04 /PT13 1202-2021 / 1001-2020 0.7 4.2 1.2
LRTE/PTB GPS P3 LRRC /PT13 NC / 1001-2020 0.7 20.0
LT NL
LUX /PTB GPSPPP LU02 /PT13 1014-2023 / 1001-2020 0.3 2.8 1.2
MASM/PTB GPSPPP MN__ /PT13 1019-2018 / 1001-2020 0.3 3.2 2.1
MBM /PTB GPSPPP ME01 /PT13 NC / 1001-2020 0.3 20.0
MIKE/PTB GPSPPP MI04 /PT13 1016-2019 / 1001-2020 0.3 3.0 1.7
MSL /PTB GPS P3 MS01 /PT13 1015-2021 / 1001-2020 0.7 2.8 1.2
MTC /PTB GPS P3 MC02 /PT13 NA_Al / 1001-2020 1.0 7.8 3.4 32.6 1411
NAO /PTB GPS MC NAT2 /PT13 1012-2022 / 1001-2020 2.0 3.6 1.2
NICT/PTB GPSPPP NC4S /PT13 1001-2020 / 1001-2020 0.3 2.0 1.4
NIM /PTB GPSPPP IM15 /PT13 1001-2020 / 1001-2020 0.5 2.0 1.3
NIMB/PTB GPS MC MB02 /PT13 2001-2015 / 1001-2020 1.5 7.6 3.0
NIMT/PTB GPSPPP MTTI /PT13 1016-2022 / 1001-2020 0.3 2.8 1.2
NIS /PTB GPSPPP IS_5 /PT13 2001-2021 / 1001-2020 0.4 7.1 1.2
NMIJ/PTB GPSPPP NM0D /PT13 1015-2022 / 1001-2020 0.3 2.8 1.2
NMLS/PTB GPSPPP LSM2 /PT13 1011-2023 / 1001-2020 0.3 1.9 1.2
NPLI/PTB GPSPPP LI2P /PT13 1013-2018 / 1001-2020 0.3 3.4 2.2
NRC /PTB GPSPPP NRCA /PT13 1019-2017 / 1001-2020 0.3 3.5 2.4
NRL /PTB GPSPPP RL5B /PT13 NC / 1001-2020 0.3 20.0
NSAI/PTB GPSPPP IE01 /PT13 2022-2019 / 1001-2020 0.3 7.2 1.7
NTSC/PTB GPSPPP NT05 /PT13 1016-2018 / 1001-2020 0.5 3.2 2.0
ONBA/PTB GPS MC ON__ /PT13 1002-2004 / 1001-2020 2.0 11.2 10.0
ONRJ/PTB GPS P3 RJ03 /PT13 1012-2020 / 1001-2020 0.7 2.9 1.5
ORB /PTB GPSPPP OR5Z /PT13 1011-2020 / 1001-2020 0.3 2.9 1.5
PL /PTB GPS P3 PL_3 /PT13 1301-2021 / 1001-2020 0.7 2.9 1.2
SASO/PTB GPSPPP SAS0 /PT13 1020-2017 / 1001-2020 0.3 3.4 2.3
SCL /PTB GPSPPP SC05 /PT13 1011-2018 / 1001-2020 0.3 3.4 2.2
SG /PTB GPSPPP SG01 /PT13 1019-2018 / 1001-2020 0.3 3.2 2.0
SIQ /PTB GPSPPP SI01 /PT13 1013-2019 / 1001-2020 0.3 3.9 1.6
SL NL
SMD /PTB GPSPPP SD01 /PT13 1014-2017 / 1001-2020 0.3 3.5 2.5
SMU /PTB GPS MC SM00 /PT13 NA_Al / 1001-2020 6.0 12.2 10.0 57.8 0908
SU /PTB GPSPPP SU52 /PT13 1001-2020 / 1001-2020 0.3 1.9 1.2
TL /PTB GPSPPP TLT1 /PT13 1001-2020 / 1001-2020 0.3 2.0 1.3
TP /PTB GPSPPP TP01 /PT13 1013-2021 / 1001-2020 0.3 2.8 1.2
UA /PTB GPS MC UA05 /PT13 2003-2018 / 1001-2020 1.5 7.3 2.1
UAE /PTB GPS MC AE__ /PT13 1019-2021 / 1001-2020 10.0 4.6 1.2
UME /PTB GPSPPP UM01 /PT13 1011-2016 / 1001-2020 0.3 3.7 2.8
UTE /PTB GPS MC UY__ /PT13 2003-2015 / 1001-2020 3.0 7.6 2.9
VMI /PTB GPS P3 VM12 /PT13 NA_Al / 1001-2020 0.7 2.9 1.2 -4.7 2306
ZA /PTB GPS P3 ZA02 /PT13 1018-2018 / 1001-2020 1.0 3.2 2.1
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
CH /PTB TWGPPP CH01 /PTB05 0543-2021 0.3 1.6 1.0
IT /PTB TWGPPP IT01 /PTB05 0584-2022 0.3 1.8 1.2
NIST/PTB TWGPPP NIST01/PTB05 0533-2021 0.3 2.6 2.0
NPL /PTB TWGPPP NPL02 /PTB05 0550-2021 0.3 1.6 1.0
OP /PTB TWSDRR OP51 /PTB55 0546-2021 0.3 1.5 1.1
ROA /PTB TWGPPP ROA01 /PTB05 0547-2021 0.3 1.6 1.1
SP /PTB TWGPPP SP01 /PTB05 0548-2021 0.3 1.8 1.2
USNO/PTB TWGPPP USNO01/PTB05 0534-2021 0.3 2.0 1.7
VSL /PTB TWGPPP VSL01 /PTB05 0549-2021 0.3 1.6 1.0