CIRCULAR T 460

ISSN 1143-1393
2026 MAY 11, 10h 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 2026 0h UTC MAR 30 APR 4 APR 9 APR 14 APR 19 APR 24 APR 29 Uncertainty/ns Notes
MJD 61129 61134 61139 61144 61149 61154 61159 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AGGO (La Plata) 302.6 305.6 305.7 308.3 304.2 308.9 306.8 0.7 3.2 3.3
AOS (Borowiec) 1.9 2.4 2.8 3.3 4.2 4.5 5.5 0.2 2.7 2.7
APL (Laurel) -0.3 0.2 1.3 1.7 1.4 1.4 1.0 0.2 NC -
AUS (Sydney) -11.2 -13.1 4.7 -1.5 -1.4 -14.6 -10.5 0.2 3.2 3.2
AZ (Baku) 773.1 786.0 796.2 804.9 822.7 841.2 865.8 0.2 7.1 7.1
BEV (Wien) 35.0 31.2 31.9 27.2 19.8 6.8 15.6 0.2 3.2 3.2
BFKH (Budapest) - 5448.0 5492.7 5542.2 5575.7 5611.4 5653.5 1.5 7.3 7.4
BIM (Sofiya) 7019.5 7066.1 7108.0 7151.4 7197.2 7247.7 7290.0 0.2 2.9 2.9
BIRM (Beijing) -0.6 -0.1 -0.1 0.0 0.9 -0.5 0.2 0.2 3.7 3.7
BSJ (Kingston) -0.6 20.0 7.6 8.7 13.9 9.9 1.8 1.5 7.3 7.4
BY (Minsk) 0.3 2.9 2.1 2.8 4.4 6.1 8.3 1.5 3.3 3.6
CAO (Cagliari) - 146.9 142.4 150.9 145.0 144.6 144.5 0.7 NC -
CH (Bern-Wabern) -1.2 -0.8 -0.4 -0.5 -0.5 -0.6 -0.6 0.2 1.2 1.2
CNES (Toulouse) -0.5 -0.5 -0.3 0.5 -0.1 -1.4 -1.4 0.2 2.5 2.5
CNM (Queretaro) 0.1 0.9 3.5 5.6 1.1 1.9 4.4 3.0 4.6 5.5
CNMP (Panama) -3.2 -19.7 -0.3 11.2 -3.1 -0.5 -12.0 0.2 5.7 5.7
DFM (Horsholm) -105.3 5.6 -6.0 -6.2 0.2 0.9 1.1 0.2 3.0 3.0
DFNT (Tunis) -1133.9 -1208.2 -1288.6 -1368.1 -1444.5 -1518.7 -1591.4 0.7 2.7 2.8
DLR (Oberpfaffenhofen) 1.5 1.4 2.1 1.2 1.0 0.6 -0.5 0.2 2.6 2.6
DMDM (Belgrade) 12.9 18.8 21.0 29.6 26.5 27.2 -2.1 0.2 7.5 7.5
DTAG (Frankfurt/M) 8.2 -4.0 -5.5 -14.9 -18.1 -26.9 -29.2 0.2 2.6 2.6
ESA (Noordwijk) -0.5 -1.2 -0.0 -0.3 0.2 0.0 0.5 0.2 2.6 2.6
HKO (Hong Kong) 1110.2 1125.3 1151.2 1168.8 1187.0 1208.5 1225.6 0.2 3.9 3.9
IBM (La Paz) -10.0 -24.0 -41.1 -43.5 -56.3 -60.6 -66.2 4.0 7.7 8.7
ICE (San Jose) 39.6 44.4 47.0 43.5 27.1 22.7 11.0 0.2 7.1 7.1
IDN (Serpong-Tangerang) 7583.6 7744.3 7896.3 8052.6 8201.0 8359.4 8503.5 0.2 NC -
IFAG (Wettzell) -1026.0 -1040.2 -1056.7 -1054.3 -1043.2 -1038.9 -1023.5 0.2 2.6 2.6
IFZG (Zagreb) 304.8 308.6 305.1 304.5 312.5 315.0 313.4 0.2 2.9 2.9
IMBH (Sarajevo) 1.4 3.1 1.8 2.8 4.7 1.5 3.3 0.2 3.1 3.1
INCP (Lima) 11.4 7.3 -2.9 4.3 -19.0 -12.2 -17.4 5.0 4.0 6.4
INM (Bogota D.C.) -14.7 -2.3 -18.7 -18.3 -23.9 -20.1 -35.4 3.0 3.9 4.9
INPL (Jerusalem) -69.9 -81.6 -87.1 -86.5 -88.9 -106.7 -116.5 0.2 7.7 7.7
INTI (Buenos Aires) -178.5 -188.0 -182.3 -186.8 -180.1 -175.7 -168.0 0.2 3.4 3.4
INXE (Rio de Janeiro) 0.8 12.6 6.7 -2.4 8.2 -2.6 -2.4 0.7 3.5 3.6
IPQ (Caparica) -422.8 -457.1 -487.8 -565.5 -602.4 -638.1 -675.7 0.7 3.2 3.3
IT (Torino) 0.5 1.1 1.7 1.7 1.6 1.0 0.4 0.2 1.2 1.2
JATC (Lintong) 0.3 0.2 0.2 0.2 0.1 -0.1 -0.3 0.2 3.9 3.9
JV (Kjeller) -1.2 -1.2 -0.8 -0.3 0.7 1.2 1.2 0.2 5.0 5.0
KRIS (Daejeon) -0.5 -0.7 -0.6 -0.8 -0.6 -0.2 -0.1 0.2 3.2 3.2
KZ (Astana) -3.8 -3.8 -3.5 -1.9 -1.6 -1.8 -2.0 0.7 4.4 4.5
LRTE (Sao Carlos) -4.3 0.2 -1.4 3.0 0.8 -1.0 -0.6 0.2 3.6 3.6
LT (Vilnius) 1440.5 1439.4 1435.0 1442.1 1446.1 1450.1 1459.1 0.2 2.8 2.8
LUX (Belvaux) 2.4 9.1 12.8 6.4 6.8 -1.2 -4.2 0.5 2.5 2.5
MASM (Bayanzurkh) - - - - - - -
MBM (Podgorica) 4554.4 4563.5 4596.2 4622.6 4655.9 4680.2 4702.7 0.2 3.1 3.1
MIKE (Espoo) 6.8 5.8 5.5 2.5 1.6 2.6 4.2 0.2 2.8 2.8
MSL (Lower Hutt) -20.4 -26.2 -14.8 -26.5 -30.9 -21.8 -22.6 0.7 3.2 3.3
MTC (Makkah) 65.6 93.4 108.0 107.5 114.5 130.9 143.6 1.0 73.0 73.0
NAO (Mizusawa) 4711.3 4790.9 4853.8 4928.4 -92.0 -112.0 -129.5 2.0 3.9 4.4 (1)
NICT (Tokyo) 0.5 0.5 0.9 0.8 1.1 1.0 1.1 0.2 2.2 2.2
NIM (Beijing) 0.2 0.1 -0.0 0.0 0.3 0.2 0.3 0.2 2.2 2.2
NIMB (Bucharest) 1972.5 1973.3 1974.5 1970.1 - 1971.3 1980.5 0.7 7.0 7.0
NIMT (Pathumthani) 1.7 2.7 -5.3 15.2 12.9 3.6 4.7 0.2 2.5 2.5
NIS (Cairo) -92.8 -86.3 -72.3 -55.1 -57.6 -44.4 -31.4 0.7 7.3 7.3
NIST (Boulder) -0.1 0.1 0.7 0.7 1.0 0.9 1.0 0.2 2.0 2.0
NMIJ (Tsukuba) 5.7 6.2 7.1 6.8 6.8 6.0 6.1 0.2 3.1 3.1
NMLS (Sepang) -243.6 -251.0 -255.5 -262.1 -266.0 -269.1 -266.8 0.2 2.9 2.9
NPL (Teddington) 0.8 0.6 2.1 1.0 -0.1 0.2 -1.2 0.2 1.2 1.2
NPLI (New-Delhi) -1.7 -2.1 -2.6 -3.3 -3.7 -4.1 -4.0 0.2 2.7 2.7
NRC (Ottawa) -1.2 -0.6 0.3 -1.0 -0.5 -0.2 0.8 0.2 2.8 2.8 (2)
NRL (Washington DC) - - - - - - -
NSAI (Dublin) - - - - - - -
NTSC (Lintong) 0.9 0.5 0.5 0.5 0.1 0.0 -0.1 0.2 3.8 3.8
ONBA (Buenos Aires) 3591.4 3608.2 3582.0 3620.4 3635.7 3678.5 3719.3 2.0 3.5 4.0
ONRJ (Rio de Janeiro) -3.4 -1.6 -1.9 0.3 -0.6 -3.0 -1.5 0.2 3.4 3.4
OP (Paris) 0.0 0.3 0.4 1.0 0.5 0.3 0.3 0.2 1.2 1.2
ORB (Bruxelles) -2.0 -2.5 -2.2 -1.6 -0.9 -0.7 -0.7 0.2 2.9 2.9
PL (Warszawa) -7.9 -7.9 -7.6 -7.2 -6.9 -6.6 -6.4 0.2 2.7 2.7
PTB (Braunschweig) 0.7 0.6 0.5 0.4 0.4 0.1 0.1 0.2 1.2 1.2
ROA (San Fernando) -0.4 1.2 2.4 1.9 0.8 0.5 1.3 0.2 1.2 1.2
SASO (Riyadh) 854.6 850.0 843.1 846.2 840.7 835.4 828.8 0.4 3.9 3.9
SCL (Hong Kong) -1.7 -4.2 0.2 4.1 16.8 5.9 2.4 0.2 3.9 3.9
SG (Singapore) -2.5 -0.6 -2.1 2.1 4.1 0.9 -4.3 0.2 2.8 2.8
SIQ (Ljubljana) 1505.6 1507.6 1518.3 1512.4 1516.7 1528.0 1525.5 0.2 4.3 4.3
SMD (Bruxelles) -0.5 -0.4 -0.4 -0.3 -0.1 0.3 0.7 0.2 4.6 4.6
SMU (Bratislava) 151.2 133.0 119.8 119.9 80.2 118.1 119.2 1.5 6.2 6.4
SP (Boras) 0.6 0.8 0.6 0.3 0.4 0.8 1.2 0.2 1.2 1.2
SU (Moskva) 0.3 0.6 0.8 0.7 0.5 0.8 0.9 0.2 2.5 2.5
TL (Chung-Li) -1.1 -0.7 -0.5 0.8 0.6 0.6 1.0 0.2 2.1 2.1
TP (Praha) -27.3 -36.8 -33.2 -20.2 -19.0 -17.4 -14.4 0.2 3.2 3.2
UA (Kharkiv) - - - - - -8.2 -9.6 3.0 7.6 8.2
UAE (Abu Dhabi) -20.3 -17.7 -5.3 -9.2 -7.7 -4.2 -5.3 0.7 7.0 7.0
UME (Gebze-Kocaeli) - -108.7 -2.6 -3.0 -4.1 -3.7 -3.2 0.2 20.8 20.8
USNO (Washington DC) 1.5 1.8 1.9 2.2 1.8 1.6 1.1 0.2 2.4 2.4
UZ (Tashkent) 88.7 84.9 90.4 84.6 76.5 69.9 65.3 0.2 2.5 2.5
VMI (Ha Noi) 494.7 621.5 265.1 - 170.9 230.7 292.1 0.7 3.1 3.2
VSL (Delft) 0.1 0.3 0.6 0.5 -0.3 -0.2 0.4 0.2 1.3 1.3
ZA (Pretoria) -12.2 -5.5 -11.5 -15.4 -20.3 -7.7 -2.3 29.9 3.8 30.1
- Notes on section 1:
(1) NAO : Apparent time step of UTC(NAO) of about 5000 ns on MJD 61144.32.
(2) NRC : Time step of UTC(NRC) of 1.4 ns on MJD 61139.70.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 61129 - 61159 6.498x10-13 (2026 MAR 30 - 2026 APR 29)
New correction 61159 - 61189 6.498x10-13 (2026 APR 29 - 2026 MAY 29)
New correction foreseen 61189 - 61219 6.498x10-13 (2026 MAY 29 - 2026 JUN 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 61129 61159 0.58 8.00 8.00 0.00 0.00 0.13 11.31 PFS/NA T148 8.00 100.0 T459 36 Y (1)
PTB-CS2 61129 61159 -2.35 5.00 12.00 0.00 0.00 0.13 13.00 PFS/NA T148 12.00 100.0 T459 36 Y (1)
METAS-FOC2 61129 61159 -2.28 0.14 1.83 0.12 0.04 0.13 1.84 PFS/NA T371 1.99 92.1 T459 14 Y (2)
MIKES-Sr+1 61139 61159 -0.05 0.00 0.00 0.03 0.02 0.19 0.19 0.17 [1] T457 0.00 97.5 T459 12 Y (3)
NICT-Sr1 61134 61154 -0.22 0.03 0.06 0.17 0.06 0.19 0.27 0.17 [1] T371 0.06 3.7 T459 2 Y (4)
NIM5 61129 61159 -0.28 0.35 0.68 0.10 0.01 0.13 0.78 PFS/NA T340 1.40 92.5 T459 26 Y (5)
NIM6 61139 61159 -0.02 0.17 0.20 0.10 0.01 0.19 0.34 PFS/NA T454 0.22 94.2 T458 18 Y (5)
NIST-F4 61129 61159 0.00 0.26 0.22 0.03 0.01 0.13 0.37 PFS/NA T452 0.22 99.5 T459 14 Y (6)
NMIJ-Yb1 61124 61129 -0.80 0.02 0.08 0.32 0.05 0.65 0.74 0.17 [1] T424 0.10 90.5 T452 9 Y (7)
NMIJ-Yb1 61129 61134 0.34 0.02 0.08 0.31 0.05 0.65 0.73 0.17 [1] T424 0.10 92.1 T452 9 Y (7)
NRC-FCs2 61129 61139 -0.01 0.22 0.12 0.12 0.00 0.35 0.45 PFS/NA T448 0.11 93.9 T459 36 Y (8)
NRC-FCs2 61144 61159 0.68 0.20 0.12 0.18 0.00 0.24 0.38 PFS/NA T448 0.11 72.2 T459 36 Y (8)
NTSC-CsF2 61129 61159 -0.01 0.53 0.35 0.10 0.00 0.13 0.66 PFS/NA T435 0.43 95.9 T459 42 Y (9)
LNEOP-FO2 61129 61159 -0.33 0.20 0.21 0.09 0.00 0.13 0.33 PFS/NA T301 0.23 75.3 T459 32 Y (10)
LNEOP-FORb 61129 61159 0.40 0.20 0.24 0.08 0.00 0.13 0.35 0.34 [1] T328 0.34 76.5 T459 32 Y (10)
LNEOP-SrB 61134 61154 -0.29 0.00 0.05 0.15 0.00 0.19 0.25 0.17 [1] T350 0.05 47.4 T459 12 Y (10)
PTB-CSF2 61129 61159 -0.32 0.11 0.17 0.01 0.00 0.13 0.24 PFS/NA T370 0.17 98.0 T459 39 Y (11)
SU-CsFO2 61129 61159 -0.41 0.13 0.22 0.14 0.00 0.13 0.32 PFS/NA T315 0.50 68.5 T459 36 Y (12)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report dated 01 MAY. 2026 by CH
(3) Report dated 30 APR. 2026 by MIKES
(4) Report dated 07 MAY. 2026 by NICT
(5) Report dated 30 APR. 2026 by NIM
(6) Report dated 30 APR. 2026 by NIST
(7) Report dated 03 MAY. 2026 by NMIJ
(8) Report dated 30 APR. 2026 by NRC
(9) Report dated 03 MAY. 2026 by NTSC
(10) Report dated 05 MAY. 2026 by LNE-OP
(11) Report dated 04 MAY. 2026 by PTB
(12) Report dated 04 MAY. 2026 by SU
[1] CCTF Recommendation Redefinition (2025), 24th meeting (session II),
available at https://www.bipm.org/en/committees/cc/cctf/24-_2-2025

Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD 60769-61159, and corresponding uncertainties.

Period of estimation d u
61129-61159 -0.12x10-15 0.10x10-15 (2026 MAR 30 - 2026 APR 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
2026-03-30 61129 1.9 -1.8 -0.8 0.9
2026-03-31 61130 2.0 -6.0 -0.6 0.6
2026-04-01 61131 1.9 -8.0 -0.7 0.9
2026-04-02 61132 -1.1 -9.5 -0.5 0.8
2026-04-03 61133 1.1 -10.1 -0.7 0.8
2026-04-04 61134 0.5 -9.8 -0.6 1.0
2026-04-05 61135 0.6 -9.1 -0.8 0.8
2026-04-06 61136 0.2 -6.7 -0.8 0.5
2026-04-07 61137 0.7 -6.4 0.3 0.7
2026-04-08 61138 1.0 -6.4 0.7 0.9
2026-04-09 61139 3.0 -2.8 0.1 1.0
2026-04-10 61140 3.6 -3.3 0.4 1.2
2026-04-11 61141 1.4 -6.1 0.4 0.6
2026-04-12 61142 2.3 -5.0 0.4 0.4
2026-04-13 61143 1.7 -7.7 0.5 0.8
2026-04-14 61144 2.6 -5.2 0.7 0.8
2026-04-15 61145 1.6 -6.1 -0.2 1.0
2026-04-16 61146 -0.0 -5.9 0.0 1.4
2026-04-17 61147 0.7 -2.9 -0.1 1.3
2026-04-18 61148 2.1 -3.8 -0.1 1.5
2026-04-19 61149 -0.6 -5.7 0.9 1.7
2026-04-20 61150 0.0 -5.9 -0.4 1.3
2026-04-21 61151 1.4 -3.1 -0.9 1.2
2026-04-22 61152 2.2 -4.1 -0.9 1.3
2026-04-23 61153 3.0 -3.6 0.1 1.3
2026-04-24 61154 0.5 -4.3 0.4 1.7
2026-04-25 61155 0.3 -2.3 0.4 1.5
2026-04-26 61156 -0.6 -3.0 -0.8 1.2
2026-04-27 61157 -1.1 -2.8 -0.8 1.6
2026-04-28 61158 0.4 -7.4 0.3 1.8
2026-04-29 61159 1.2 -9.8 0.5 1.5

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 / 1001-2025 0.7 3.2 2.0
AOS /PTB GPSPPP AO_5 /PT13 1012-2024 / 1001-2025 0.3 2.7 1.1
APL /PTB GPSPPP AP04 /PT13 NC / 1001-2025 0.3 NC
AUS /PTB GPSPPP AU06 /PT13 1015-2021 / 1001-2025 0.3 3.2 2.0
AZ /PTB GPSPPP AZ01 /PT13 2002-2024 / 1001-2025 0.3 7.1 0.9
BEV /PTB GPSPPP BE1_ /PT13 1016-2021 / 1001-2025 0.3 3.2 2.0
BFKH/PTB GPS MC MK01 /PT13 NA_Al / 1001-2025 1.5 7.3 1.8 -193.2 2406
BIM /PTB GPSPPP BM51 /PT13 1016-2023 / 1001-2025 0.3 2.9 1.4
BIRM/PTB GPSPPP BI41 /PT13 1016-2018 / 1001-2025 0.3 3.7 2.7
BSJ /PTB GPS P3 JM__ /PT13 2001-2026 / 1001-2025 1.5 7.3 2.2
BY /PTB GPS MC BY46 /PT13 1020-2021 / 1001-2025 1.5 3.3 2.0
CAO /PTB GPS P3 CA__ /PT13 NC / 1001-2025 0.7 NC
CNES/PTB GPSPPP CS24 /PT13 1011-2025 / 1001-2025 0.3 2.5 0.5
CNM /PTB GPS MC CN00 /PT13 NA_Al / 1001-2025 3.0 4.6 3.2 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT13 1011-2017 / 1001-2025 0.3 5.7 3.2
DFM /PTB GPSPPP DK01 /PT13 1017-2022 / 1001-2025 0.3 3.0 1.6
DFNT/PTB GPS P3 DN__ /PT13 1015-2024 / 1001-2025 0.7 2.7 1.0
DLR /PTB GPSPPP DL11 /PT13 1016-2024 / 1001-2025 0.3 2.6 0.7
DMDM/PTB GPSPPP ZM01 /PT13 2002-2018 / 1001-2025 0.3 7.5 2.8
DTAG/PTB GPSPPP DT05 /PT13 1016-2024 / 1001-2025 0.3 2.6 0.7
ESA /PTB GPSPPP ES07 /PT13 1017-2024 / 1001-2025 0.3 2.6 0.8
HKO /PTB GPSPPP HKO1 /PT13 1011-2018 / 1001-2025 0.3 3.9 3.0
IBM /PTB GPS MC BO__ /PT13 2005-2016 / 1001-2025 4.0 7.7 3.2
ICE /PTB GPSPPP CE__ /PT13 2001-2023 / 1001-2025 0.3 7.1 1.5
IDN /PTB GPSPPP KI03 /PT13 NC / 1001-2025 0.3 NC
IFAG/PTB GPSPPP IF20 /PT13 1016-2024 / 1001-2025 0.3 2.6 0.7
IFZG/PTB GPSPPP HR01 /PT13 1016-2023 / 1001-2025 0.3 2.9 1.4
IMBH/PTB GPSPPP BH02 /PT13 1013-2022 / 1001-2025 0.3 3.1 1.7
INCP/PTB GPS MC CP__ /PT13 1012-2023 / 1001-2025 5.0 4.0 0.8
INM /PTB GPS MC IC__ /PT13 1012-2023 / 1001-2025 3.0 3.9 0.5
INPL/PTB GPSPPP IL06 /PT13 2003-2016 / 1001-2025 0.3 7.7 3.3
INTI/PTB GPSPPP INTI /PT13 1014-2021 / 1001-2025 0.3 3.4 1.8
INXE/PTB GPS P3 NXRA /PT13 1012-2020 / 1001-2025 0.7 3.5 2.4
IPQ /PTB GPS P3 IP05 /PT13 1017-2021 / 1001-2025 0.7 3.2 2.0
JATC/PTB GPSPPP JA02 /PT13 1201-2018 / 1001-2025 0.3 3.9 2.9
JV /PTB GPSPPP JV02 /PT13 1101-2017 / 1001-2025 0.3 5.0 3.0
KRIS/PTB GPSPPP KRP1 /PT13 1015-2021 / 1001-2025 0.3 3.2 2.0
KZ /PTB GPS P3 KZ04 /PT13 1202-2021 / 1001-2025 0.7 4.4 1.9
LRTE/PTB GPSPPP LRR2 /PT13 1201-2025 / 1001-2025 0.3 3.6 0.9
LT /PTB GPSPPP LT03 /PT13 1020-2023 / 1001-2025 0.3 2.8 1.2
LUX /PTB GPSPPP LU01 /PT13 1011-2025 / 1001-2025 0.5 2.5 0.5
MASM NL
MBM /PTB GPSPPP ME01 /PT13 1021-2021 / 1001-2025 0.3 3.1 1.8
MIKE/PTB GPSPPP MI04 /PT13 1019-2023 / 1001-2025 0.3 2.8 1.2
MSL /PTB GPS P3 MS01 /PT13 1015-2021 / 1001-2025 0.7 3.2 1.9
MTC /PTB GPS P3 MC02 /PT13 NA_Al / 1001-2025 1.0 73.0 72.7 32.6 1411
NAO /PTB GPS MC NAT2 /PT13 1012-2022 / 1001-2025 2.0 3.9 1.9
NICT/PTB GPSPPP NC5S /PT13 1001-2022 / 1001-2025 0.3 2.2 1.6
NIM /PTB GPSPPP IM02 /PT13 1001-2022 / 1001-2025 0.3 2.2 1.6
NIMB/PTB GPS P3 MB02 /PT13 2002-2026 / 1001-2025 0.7 7.0 0.1
NIMT/PTB GPSPPP MTTN /PT13 1016-2025 / 1001-2025 0.3 2.5 0.1
NIS /PTB GPS P3 IS_5 /PT13 2001-2021 / 1001-2025 0.7 7.3 2.1
NMIJ/PTB GPSPPP NM0F /PT13 1015-2022 / 1001-2025 0.3 3.1 1.8
NMLS/PTB GPSPPP LSM2 /PT13 1011-2023 / 1001-2025 0.3 2.9 1.5
NPLI/PTB GPSPPP LIAA /PT13 1011-2024 / 1001-2025 0.3 2.7 0.9
NRC /PTB GPSPPP NRCC /PT13 1015-2023 / 1001-2025 0.3 2.8 1.3
NRL /PTB NL
NSAI/PTB NL
NTSC/PTB GPSPPP NT03 /PT13 1016-2018 / 1001-2025 0.3 3.8 2.7
ONBA/PTB GPS MC ON__ /PT13 1014-2021 / 1001-2025 2.0 3.5 1.9
ONRJ/PTB GPSPPP RJ04 /PT13 1012-2020 / 1001-2025 0.3 3.4 2.3
ORB /PTB GPSPPP OR5Z /PT13 1017-2023 / 1001-2025 0.3 2.9 1.4
PL /PTB GPSPPP PL_5 /PT13 1012-2024 / 1001-2025 0.3 2.7 1.1
SASO/PTB GPSPPP SAS0 /PT13 1020-2017 / 1001-2025 0.4 3.9 3.0
SCL /PTB GPSPPP SC05 /PT13 1011-2018 / 1001-2025 0.3 3.9 3.0
SG /PTB GPSPPP SG02 /PT13 1018-2023 / 1001-2025 0.3 2.8 1.2
SIQ /PTB GPSPPP SI01 /PT13 1013-2019 / 1001-2025 0.3 4.3 2.5
SMD /PTB GPSPPP SD31 /PT13 1201-2020 / 1001-2025 0.3 4.6 2.3
SMU /PTB GPS MC SM00 /PT13 1202-2024 / 1001-2025 1.5 6.2 0.9
TL /PTB GPSPPP TLT5 /PT13 1001-2022 / 1001-2025 0.3 2.1 1.5
TP /PTB GPSPPP TP02 /PT13 1013-2021 / 1001-2025 0.3 3.2 2.0
UA /PTB GPS MC UA05 /PT13 2003-2018 / 1001-2025 3.0 7.6 2.9
UAE /PTB GPS P3 AE02 /PT13 2001-2025 / 1001-2025 0.7 7.0 0.1
UME /PTB GPSPPP UM01 /PT13 1011-2016 / 1001-2025 0.3 20.8 20.7
UZ /PTB GPSPPP UZ__ /PT13 1013-2025 / 1001-2025 0.3 2.5 0.2
VMI /PTB GPS P3 VM02 /PT13 1011-2022 / 1001-2025 0.7 3.1 1.7
ZA /PTB GPS P3 ZA02 /PT13 1018-2018 / 1001-2025 30.0 3.8 2.8
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
CH /PTB TWGPPP CH01 /PTB05 0623-2024 0.3 1.2 0.7
IT /PTB TWGPPP IT01 /PTB05 0622-2024 0.3 1.2 0.7
NIST/PTB TWGPPP NIST01/PTB05 0593-2024 0.3 2.0 0.4
NPL /PTB TWGPPP NPL02 /PTB05 0620-2024 0.3 1.2 0.7
OP /PTB TWSDRR OP51 /PTB55 0624-2024 0.3 1.2 0.7
ROA /PTB TWGPPP ROA01 /PTB05 0618-2024 0.3 1.2 0.7
SP /PTB TWGPPP SP01 /PTB05 0621-2024 0.3 1.2 0.7
SU /PTB TWSDRR SU51 /PTB53 NA_Al / 1001-2022 0.3 2.5 1.8 -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 1.3 0.7