CIRCULAR T 366 ISSN 1143-1393
2018 JULY 13, 07h 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_v0.1.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 2018 0h UTC MAY 31 JUN 5 JUN 10 JUN 15 JUN 20 JUN 25 JUN 30 Uncertainty/ns Notes
MJD 58269 58274 58279 58284 58289 58294 58299 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AOS (Borowiec) -5.4 -4.1 -2.5 -1.3 -1.1 -0.6 -0.3 0.5 3.2 3.3
APL (Laurel) -3.9 -3.6 -4.7 -1.1 -1.1 -1.3 -1.4 0.4 11.0 11.0
AUS (Sydney) 27.7 9.8 8.1 -2.8 -2.2 -5.9 3.5 0.4 6.4 6.4
BEV (Wien) 6.5 9.8 3.9 1.7 2.4 3.4 -7.5 0.4 3.1 3.2
BIM (Sofiya) - - - - - - -
BIRM (Beijing) 11.9 9.1 5.9 3.6 3.1 3.6 6.8 0.5 3.1 3.1
BOM (Skopje) -198.0 - -264.0 -290.0 -321.7 -345.3 -373.5 1.5 8.1 8.2
BY (Minsk) -1.9 -1.6 -1.3 -1.7 -1.6 -0.4 0.6 1.5 12.2 12.3
CAO (Cagliari) - - - - - - -
CH (Bern-Wabern) -0.7 0.8 1.8 2.7 2.5 1.2 -1.5 0.4 2.2 2.2
CNES (Toulouse) -1.2 -1.7 -0.4 0.9 4.2 3.8 -0.1 0.4 4.6 4.6
CNM (Queretaro) 6.2 -7.3 -4.6 -1.3 4.1 2.1 -3.8 2.5 11.2 11.5
CNMP (Panama) 20.8 20.7 8.1 13.9 3.7 16.8 22.3 0.6 7.3 7.3
DFNT (Tunis) 30473.9 30676.6 30877.3 31075.4 31283.9 31496.7 31694.6 0.7 20.0 20.0
DLR (Oberpfaffenhofen) -208.5 -317.1 - - - - - 0.7 3.2 3.3
DMDM (Belgrade) 2025.6 2090.3 2139.5 2201.6 2251.9 2294.1 2349.6 0.4 3.2 3.2
DTAG (Frankfurt/M) -44.2 -44.1 -41.5 -42.3 -48.6 -43.1 -46.5 0.4 3.1 3.1
EIM (Thessaloniki) - - - - - - -
ESTC (Noordwijk) 0.9 0.5 0.1 -0.3 0.1 0.1 -0.3 0.4 3.1 3.1
HKO (Hong Kong) -27.3 -14.7 -10.8 8.9 25.5 41.8 53.1 0.4 7.8 7.8
ICE (San Jose) -35.7 -26.6 -55.7 -58.9 -62.7 -65.6 -65.7 5.0 20.0 20.7
IFAG (Wettzell) -956.7 -955.0 -947.7 -948.9 -945.4 -940.7 -932.3 0.4 6.2 6.2 (1)
IGNA (Buenos Aires) 3.1 -2.1 1.6 3.1 -19.1 -35.5 -52.5 2.5 20.0 20.2
IMBH (Sarajevo) 2.0 -2.5 1.4 1.6 5.4 3.2 0.9 0.4 7.2 7.2
INCP (Lima) 511.6 502.2 474.6 474.5 470.8 474.9 472.8 5.0 20.0 20.7
INM (Bogota D.C.) -29.1 -23.4 -37.2 -29.1 -23.2 -20.2 -21.8 2.0 20.0 20.1
INPL (Jerusalem) -48.3 -52.0 -54.8 -59.5 -62.9 -65.1 -62.0 0.4 7.2 7.2
INTI (Buenos Aires) -6.1 -15.1 -9.0 -6.6 -0.4 - -20.9 2.5 20.0 20.2
INXE (Rio de Janeiro) -3.5 0.2 -9.2 -18.1 -32.9 -20.9 -10.9 0.4 20.0 20.0
IPQ (Caparica) -41.5 -45.2 -48.5 -48.0 -41.5 -36.1 -36.5 0.5 20.0 20.0
IT (Torino) -3.4 -3.4 -3.1 -2.7 -1.8 -0.9 1.1 0.4 1.7 1.8
JATC (Lintong) 1.1 1.4 -1.7 -1.2 0.3 -0.8 3.0 0.4 2.8 2.8
JV (Kjeller) -55.4 -61.0 -67.7 -0.1 -11.5 -20.7 -27.3 0.7 20.0 20.0 (2)
KEBS (Nairobi) - - - - - - -
KIM (Serpong-Tangerang) 574.3 566.6 553.2 551.6 573.2 585.6 583.0 2.0 20.0 20.1
KRIS (Daejeon) -5.7 -4.0 -2.4 -0.7 1.4 4.2 6.1 0.4 3.0 3.0
KZ (Astana) -83.5 -120.2 -131.4 -133.0 -168.6 -201.8 -262.2 1.5 12.3 12.4
LT (Vilnius) 325.2 327.1 295.2 282.7 285.4 280.4 275.8 2.0 11.3 11.4
MASM (Bayanzurkh) -276.2 -285.0 -292.3 -301.8 -318.5 -346.4 -356.6 0.5 20.0 20.0
MBM (Podgorica) 69519.3 69806.8 70148.2 70480.9 70778.0 71113.2 71442.6 1.5 20.0 20.1
MIKE (Espoo) 0.0 1.0 1.6 1.8 2.2 1.6 1.5 0.7 4.5 4.5
MKEH (Budapest) -1076.2 -1273.8 -1492.4 -1702.6 -1910.9 -2120.6 -2311.3 1.5 20.0 20.1
MSL (Lower Hutt) 348.6 363.1 387.9 413.5 402.7 412.8 409.2 1.5 20.0 20.1
MTC (Makkah) -25.4 -23.4 -24.4 -27.8 -27.2 -25.8 -26.0 0.4 7.7 7.7
NAO (Mizusawa) -41.3 -45.3 -52.1 -66.1 -71.9 -78.8 -90.1 2.0 20.0 20.1
NICT (Tokyo) 4.6 6.4 7.9 7.5 5.7 4.7 4.4 0.4 2.5 2.5 (3)
NIM (Beijing) 0.2 0.9 1.0 0.8 1.1 1.8 2.7 0.4 2.4 2.4
NIMB (Bucharest) 2336.1 2387.3 2433.3 2477.6 2525.0 2579.3 2623.8 0.4 7.4 7.4
NIMT (Pathumthani) -169.1 -168.6 -176.5 -184.0 -177.6 -185.4 -198.0 1.5 3.5 3.8
NIS (Cairo) -24.7 -35.8 - 5.8 -13.8 -24.3 -10.7 1.6 20.0 20.1 (4)
NIST (Boulder) 2.7 2.5 2.4 2.0 1.7 1.8 1.5 0.4 2.1 2.1
NMIJ (Tsukuba) 6.7 6.8 4.9 2.7 1.0 -0.7 -1.6 0.4 3.3 3.3
NMLS (Sepang) -1366.4 -1398.9 -1436.7 -1479.4 -1509.5 -1544.7 -1577.5 1.5 3.5 3.8
NPL (Teddington) 1.6 1.8 1.4 1.7 0.1 1.0 0.4 0.4 3.0 3.0
NPLI (New-Delhi) 3.9 5.6 7.1 6.2 0.8 -3.9 -4.5 0.4 7.2 7.2
NRC (Ottawa) 45.6 49.4 41.7 46.6 48.7 53.8 46.8 0.4 3.0 3.1
NRL (Washington DC) - - - - - - -
NTSC (Lintong) 2.3 1.0 -1.2 -1.4 -1.5 0.1 3.5 0.4 2.5 2.5
ONBA (Buenos Aires) -2171.4 -2154.7 -2159.9 -2164.2 -2162.6 -2146.8 -2147.3 2.0 11.3 11.4
ONRJ (Rio de Janeiro) -7.7 -9.4 -5.2 -6.5 2.3 3.6 4.6 1.0 7.9 7.9
OP (Paris) -4.5 -4.2 -4.2 -4.3 -3.8 -3.5 -2.8 0.4 1.7 1.7
ORB (Bruxelles) -1.2 -0.6 -0.4 -1.2 -0.5 0.6 2.0 0.4 3.0 3.1
PL (Warszawa) -12.3 -13.2 -17.2 -22.0 -28.0 -23.4 -20.9 0.4 3.9 4.0
PTB (Braunschweig) -3.1 -3.1 -2.5 -2.2 -1.5 -1.6 -1.4 0.2 1.2 1.3
ROA (San Fernando) -7.1 -6.0 -5.5 -5.0 -3.8 -4.0 -3.2 0.4 1.9 2.0
SASO (Riyadh) -930.9 -933.0 -945.3 -949.3 -960.8 -967.1 -969.6 0.4 3.1 3.1
SCL (Hong Kong) 145.0 127.5 118.1 106.5 91.8 90.3 88.2 1.0 20.0 20.1
SG (Singapore) 80.8 83.9 94.0 118.6 122.3 130.7 140.6 0.4 6.6 6.6
SIQ (Ljubljana) 476.5 453.8 439.2 450.3 453.8 431.4 425.8 0.4 7.5 7.5
SL (Colombo) 48.7 -15.4 -12.1 -11.6 -3.8 3.0 5.0 0.7 20.0 20.1 (5)
SMD (Bruxelles) -21.1 -24.7 -21.8 -17.1 -12.6 -11.3 -15.3 0.4 3.1 3.1
SMU (Bratislava) -1763.6 -1779.2 -1783.1 -1786.2 -1804.2 -1823.2 -1827.4 1.5 12.2 12.3
SP (Boras) -3.7 -3.9 -3.9 -3.8 -3.9 -3.8 -3.8 0.4 1.7 1.7
SU (Moskva) 1.9 2.3 3.4 3.4 3.3 2.8 2.5 1.3 6.9 7.0
TL (Chung-Li) -1.0 0.0 0.2 1.0 1.9 3.0 3.8 0.4 2.5 2.5
TP (Praha) -34.8 -28.9 -23.5 -13.9 4.6 17.9 25.7 0.4 6.7 6.7
UA (Kharkov) -13.7 -10.4 -11.2 -11.3 4.6 8.9 2.3 1.5 9.0 9.1
UAE (Abu Dhabi) - - - - - - -
UME (Gebze-Kocaeli) -391.0 -407.5 -423.8 -447.9 -467.6 -476.5 -496.6 0.7 3.2 3.3
USNO (Washington DC) -2.5 -2.9 -3.5 -2.7 -1.3 -0.2 0.8 0.3 1.5 1.5
VMI (Ha Noi) -174.6 -320.0 -541.2 - 143.9 162.7 159.6 3.0 3.5 4.6 (6)
VSL (Delft) -4.2 3.2 5.0 5.2 5.3 1.4 4.3 0.4 1.7 1.8
ZA (Pretoria) 0.8 1.7 0.7 0.1 0.6 2.4 4.5 0.4 4.3 4.3
- Notes on section 1:
(1) IFAG : ERRATUM, Corrected values of UTC-UTC(IFAG) in Section 1 of the Circular T365:
MJD UTC-UTC(IFAG) /ns
58239 -942.9
58244 -947.4
58249 -989.7
58254 -992.2
58259 -982.6
58264 -977.2
58269 -956.7
(2) JV : Time step of UTC(JV) of about -70 ns on MJD 58280.6 due to change of master clock
(3) NICT : ERRATUM, Corrected values of UTC-UTC(NICT) in Section 1 of the Circular T365:
MJD UTC-UTC(NICT) /ns
58239 -1.9
58244 -1.0
58249 -1.2
58254 -0.6
58259 2.1
58264 3.5
58269 4.6
(4) NIS : Time step of UTC(NIS) of about -40 ns between MJD 58277 and 58279 due to change of master clock
(5) SL : Time step of UTC(SL) of +75.4 ns on 58271.31
(6) VMI : Time step of UTC(VMI) of about -700 ns on MJD 58284 due to change of master clock

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 58269 - 58299 6.501x10-13 (2018 MAY 31 - 2018 JUN 30)
New correction 58299 - 58329 6.501x10-13 (2018 JUN 30 - 2018 JUL 30)
New correction foreseen 58329 - 58359 6.501x10-13 (2018 JUL 30 - 2018 AUG 29)

3 - Duration of the TAI scale interval d.

Table 1: Estimate of d by individual PSFS measurements and corresponding uncertainties.
All values are expressed in 10-15 and are valid only for the stated period of estimation.
Standard Period of d uA uB ul/lab ul/Tai u uSrep Ref(uS) Ref(uB) uB(Ref) Steer Note
Estimation
PTB-CS1 58269 58299 -4.08 8.00 8.00 0.00 0.13 11.31 PFS/NA T148 8. Y (1)
PTB-CS2 58269 58299 -3.46 5.00 12.00 0.00 0.13 13.00 PFS/NA T148 12. Y (1)
IT-CsF2 58284 58299 0.43 0.69 0.17 0.22 0.49 0.89 PFS/NA T318 0.19 Y (2)
PTB-CSF1 58284 58294 0.60 0.11 0.39 0.03 0.35 0.54 PFS/NA T162 1.40 Y (3)
PTB-CSF2 58274 58294 0.41 0.10 0.20 0.03 0.19 0.29 PFS/NA T287 0.41 Y (3)
SU-CsFO2 58269 58299 -0.22 0.30 0.24 0.13 0.85 0.94 PFS/NA T315 0.50 Y (4)
SYRTE-FO1 58269 58299 0.33 0.20 0.35 0.07 0.26 0.49 PFS/NA T301 0.37 Y (5)
SYRTE-FORb 58269 58289 0.14 0.20 0.24 0.09 0.38 0.50 0.6 [1] T328 0.34 Y (5)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report 02 JUL. 2018 by INRIM
(3) Report 26 JUN. 2018 by PTB
(4) Report 04 JUL. 2018 by SU
(5) Report 04 JUL. 2018 by LNE-SYRTE
[1] CCTF Recommendation 2 (2017) : Updates to the CIPM list of standard frequencies in Consultative
Committee for Time and Frequency Report of the 21st meeting (2017), 2017, 56 p.

Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD57909-58299, and corresponding uncertainties.

Period of estimation d u
58269-58299 0.31x10-15 0.22x10-15 (2018 MAY 31 - 2018 JUN 30)

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'= 1.0 ns, σ1'= 6.8 ns

2018 0h UTC MJD C0'/ns N0 C1'/ns N1'
MAY 31 58269 -6.2 89 13.2 80
JUN 1 58270 -6.8 89 13.0 87
JUN 2 58271 -7.3 89 10.0 88
JUN 3 58272 -7.5 90 9.5 90
JUN 4 58273 -7.2 89 13.7 83
JUN 5 58274 -7.1 89 17.7 89
JUN 6 58275 -5.9 89 17.8 84
JUN 7 58276 -5.4 90 11.0 82
JUN 8 58277 -5.9 89 8.9 85
JUN 9 58278 -6.7 89 16.5 86
JUN 10 58279 -8.0 89 19.4 88
JUN 11 58280 -8.2 90 17.0 88
JUN 12 58281 -7.3 89 15.5 78
JUN 13 58282 -6.8 89 17.3 89
JUN 14 58283 -5.0 87 18.7 87
JUN 15 58284 -7.7 90 16.6 90
JUN 16 58285 -6.5 89 16.8 88
JUN 17 58286 -3.8 89 18.0 82
JUN 18 58287 -4.8 89 17.0 89
JUN 19 58288 -5.4 90 16.7 89
JUN 20 58289 -5.1 89 15.7 88
JUN 21 58290 -5.3 89 15.0 86
JUN 22 58291 -5.7 75 15.9 88
JUN 23 58292 -5.0 90 17.5 90
JUN 24 58293 -4.0 89 17.8 82
JUN 25 58294 -5.7 86 16.0 83
JUN 26 58295 -5.2 87 14.6 87
JUN 27 58296 -1.7 90 16.7 89
JUN 28 58297 -2.9 89 17.4 77
JUN 29 58298 -4.4 89 13.6 85
JUN 30 58299 -2.7 89 14.3 87

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
APL /PTB GPSPPP AP02 /PT02 NA_Al / 1001-2016 0.3 11.2 10.0 24.3 1511
AUS /PTB GPSPPP AU01 /PT02 1002-2010 / 1001-2016 0.3 6.3 3.8
BEV /PTB GPSPPP BE1_ /PT02 1012-2016 / 1001-2016 0.3 2.9 1.4
BIM /PTB NL
BIRM/PTB GPSPPP BI01 /PT02 1015-2016 / 1001-2016 0.4 2.8 1.3
BOM /PTB GPS MC MABM /PT10 2004-2014 / 1001-2016 1.5 8.0 4.0
BY /PTB GPS MC BY46 /PT10 NA / 1001-2016 1.5 12.2 10.0
CAO /PTB NL
CNES/PTB GPSPPP CS21 /PT02 1101-2016 / 1001-2016 0.3 4.4 1.5
CNM /PTB GPS MC CN00 /PT10 NA_Al / 1001-2016 2.5 11.2 10.0 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT02 NA_Al / 1001-2016 0.5 7.2 1.8 41.7 1607
DFNT/PTB GPS P3 DN__ /PT02 NC_Al / 1001-2016 0.7 20.0 10.3 1507
DLR /PTB GPS P3 DL05 /PT02 1012-2016 / 1001-2016 0.7 3.0 1.6
DMDM/PTB GPSPPP ZM68 /PT02 1011-2016 / 1001-2016 0.3 2.9 1.4
DTAG/PTB GPSPPP DT04 /PT02 1015-2017 / 1001-2016 0.3 2.8 1.3
EIM /PTB NL
ESTC/PTB GPSPPP ES04 /PT02 1019-2016 / 1001-2016 0.3 2.8 1.3
HKO /PTB GPSPPP HKO2 /PT02 2002-2012 / 1001-2016 0.3 7.7 3.1
ICE /PTB GPS MC CE1_ /PT10 NC / 1001-2016 5.0 20.0
IFAG/PTB GPSPPP IF19 /PT02 NA_Al / 1001-2016 0.3 6.1 3.5
IGNA/PTB GPS MC IG02 /PT10 NC / 1001-2016 2.5 20.0
IMBH/PTB GPSPPP BH01 /PT02 2004-2016 / 1001-2016 0.3 7.1 1.2
INCP/PTB GPS MC CP__ /PT10 NC / 1001-2016 5.0 20.0
INM /PTB GPS MC IC__ /PT10 NC / 1001-2016 2.0 20.0
INPL/PTB GPSPPP IL05 /PT02 2002-2016 / 1001-2016 0.3 7.1 1.3
INTI/PTB GPS MC IN__ /PT10 NC / 1001-2016 2.5 20.0
INXE/PTB GPSPPP NXRA /PT02 NC / 1001-2016 0.3 20.0
IPQ /PTB GPSPPP IP05 /PT02 NC / 1001-2016 0.4 20.0
JV /PTB GPS P3 JV01 /PT02 NC_Al / 1001-2016 0.7 20.0 130.0 1509
KEBS/PTB NL
KIM /PTB GPS MC KI02 /PT10 NC_Al / 1001-2016 2.0 20.0 -30.6 0901
KRIS/PTB GPSPPP KRG1 /PT02 1017-2017 / 1001-2016 0.3 2.8 1.3
KZ /PTB GPS MC KZ01 /PT10 2002-2008 / 1001-2016 1.5 12.2 10.0
LT /PTB GPS MC LT01 /PT10 1007-2006 / 1001-2016 2.0 11.2 10.0
MASM/PTB GPSPPP MN__ /PT02 NC / 1001-2016 0.4 20.0
MBM /PTB GPS MC MEBM /PT10 NC / 1001-2016 1.5 20.0
MIKE/PTB GPS P3 MI04 /PT02 1102-2015 / 1001-2016 0.7 4.4 1.8
MKEH/PTB GPS MC MK01 /PT10 NC / 1001-2016 1.5 20.0
MSL /PTB GPS P3 MS0_ /PT02 NC / 1001-2016 1.5 20.0
MTC /PTB GPSPPP MC02 /PT02 NA_Al / 1001-2016 0.3 7.6 2.8 32.6 1503
NAO /PTB GPS MC NAT2 /PT10 NC / 1001-2016 2.0 20.0
NICT/PTB GPSPPP NC01 /PT02 1001-2016 / 1001-2016 0.3 2.3 1.6
NIM /PTB GPSPPP IM06 /PT02 1001-2016 / 1001-2016 0.3 2.1 1.4
NIMB/PTB GPSPPP MB02 /PT02 NA_Al / 1001-2016 0.3 7.3 2.1 32.2 1611
NIMT/PTB GPS MC MTTO /PT10 1013-2017 / 1001-2016 1.5 3.3 2.2
NIS /PTB GPS P3 IS__ /PT02 NC_Al / 1001-2016 1.6 20.0 +16.4 1303
NMIJ/PTB GPSPPP NM0D /PT02 NA_Al / 1001-2016 0.3 3.1 2.5
NMLS/PTB GPS MC LSM1 /PT10 1013-2017 / 1001-2016 1.5 3.3 2.2
NPL /PTB GPSPPP NPL2 /PT02 1014-2017 / 1001-2016 0.3 2.8 1.3
NPLI/PTB GPSPPP LI2P /PT02 2003-2017 / 1001-2016 0.3 7.1 1.3
NRC /PTB GPSPPP NRC4 /PT02 1017-2016 / 1001-2016 0.3 2.8 1.3
NRL /PTB NL
NTSC/PTB GPSPPP NTP3 /PT02 1001-2016 / 1001-2016 0.3 2.2 1.4
ONBA/PTB GPS MC ON__ /PT10 1002-2004 / 1001-2016 2.0 11.2 10.0
ONRJ/PTB GPS P3 RJ01 /PT02 NA_Al / 1001-2016 1.0 7.8 3.4 +5.6 1302
ORB /PTB GPSPPP OR1Z /PT02 1018-2017 / 1001-2016 0.3 2.8 1.3
PL /PTB GPSPPP PL_3 /PT02 1101-2013 / 1001-2016 0.3 3.8 2.9
SASO/PTB GPSPPP SAS0 /PT02 1020-2017 / 1001-2016 0.3 2.8 1.3
SCL /PTB GPS P3 SC05 /PT10 NC / 1001-2016 1.0 20.0
SG /PTB GPSPPP SG01 /PT02 NA_Al / 1001-2016 0.3 6.5 4.0 -114.2 1802
SIQ /PTB GPSPPP SI01 /PT02 2002-2014 / 1001-2016 0.3 7.4 2.4
SL /PTB GPS P3 SL01 /PT02 NC / 1001-2016 0.7 20.0
SMD /PTB GPSPPP SD01 /PT02 1014-2017 / 1001-2016 0.3 2.8 1.3
SMU /PTB GPS MC SM00 /PT10 NA_Al / 1001-2016 1.5 12.2 10.0 57.8 0908
SU /PTB GPS MC SU19 /PT10 NA_Al / 1001-2016 1.5 8.0 6.3 -7.8 1411
TL /PTB GPSPPP TLT1 /PT02 1001-2016 / 1001-2016 0.3 2.2 1.6
TP /PTB GPSPPP TP04 /PT02 1002-2009 / 1001-2016 0.3 6.6 4.3
UA /PTB GPS MC UA04 /PT10 2003-2011 / 1001-2016 1.5 8.9 5.6
UAE /PTB NL
UME /PTB GPS P3 UM01 /PT02 1011-2016 / 1001-2016 0.7 3.0 1.6
VMI /PTB GPS MC VM__ /PT10 1013-2017 / 1001-2016 3.0 3.3 2.2
ZA /PTB GPSPPP ZA02 /PT02 1102-2016 / 1001-2016 0.3 4.2 1.3
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
AOS /PTB TWGPPP AOS01 /PTB05 0449-2017 0.4 3.0 1.3
CH /PTB TWGPPP CH01 /PTB05 0284-2012 0.3 1.8 1.5
IT /PTB TWGPPP IT02 /PTB05 0434-2016 0.3 1.2 0.5
JATC/NTSC INT LK INTDLY 3001-2017 0.2 1.3 0.9
NIST/PTB TWGPPP NIST01/PTB05 0393-2015 0.3 1.8 0.9
OP /PTB TWGPPP OP01 /PTB05 0437-2016 0.3 1.2 0.5
ROA /PTB TWGPPP ROA01 /PTB05 0440-2016 0.3 1.5 0.5
SP /PTB TWGPPP SP01 /PTB05 0441-2016 0.3 1.2 0.5
USNO/PTB TWGPPP USNO01/PTB05 0395-2016 0.3 1.1 0.4
VSL /PTB TWGPPP VSL01 /PTB05 0295-2015 0.3 1.2 0.7