CIRCULAR T 354 ISSN 1143-1393
2017 JULY 11, 13h UTC
BUREAU INTERNATIONAL DES POIDS ET MESURES
ORGANISATION INTERGOUVERNEMENTALE DE LA CONVENTION DU METRE
PAVILLON DE BRETEUIL F-92312 SEVRES CEDEX TEL. +33 1 45 07 70 70 FAX. +33 1 45 34 20 21 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 2017 0h UTC MAY 31 JUN 5 JUN 10 JUN 15 JUN 20 JUN 25 JUN 30 Uncertainty/ns Notes
MJD 57904 57909 57914 57919 57924 57929 57934 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AOS (Borowiec) -15.8 -12.5 -9.6 -6.1 -6.9 -7.7 -8.1 0.5 2.9 2.9
APL (Laurel) -2.6 0.3 -0.1 -0.7 2.3 3.5 4.9 1.0 10.9 10.9
AUS (Sydney) 537.9 547.5 547.4 536.3 544.3 532.5 529.2 0.4 5.9 5.9
BEV (Wien) -34.7 26.0 27.4 30.9 31.5 37.7 34.3 0.4 2.7 2.7 (1)
BIM (Sofiya) 6244.4 6279.2 6326.2 6363.5 6379.0 6427.6 6440.1 0.7 2.7 2.8
BIRM (Beijing) -0.4 5.1 9.5 4.7 2.2 -1.2 0.6 0.7 20.0 20.0
BOM (Skopje) -842.9 -840.1 -848.3 -841.3 -840.5 -839.2 -840.1 0.4 2.7 2.7
BY (Minsk) -4.6 -4.4 -3.1 -2.5 -1.8 -2.4 -0.8 1.5 9.3 9.4
CAO (Cagliari) -20880.4 -20977.4 -21080.8 -21176.3 -21279.3 - - 8.0 20.0 21.6
CH (Bern-Wabern) 4.2 3.1 2.1 2.1 2.4 4.2 4.6 0.4 1.7 1.8
CNES (Toulouse) 1.6 3.2 7.0 7.5 6.8 8.4 9.8 0.4 4.1 4.1
CNM (Queretaro) -7.0 -9.0 -5.8 1.5 5.2 6.9 8.6 2.5 11.2 11.5
CNMP (Panama) -6.8 -8.8 -13.2 -0.1 -10.1 1.5 -2.8 0.5 7.2 7.2
DFNT (Tunis) 16434.2 16619.9 16818.1 17014.0 17198.3 17390.9 17567.5 0.7 20.0 20.0
DLR (Oberpfaffenhofen) 19.8 17.5 15.8 9.1 18.0 33.6 49.5 0.7 2.7 2.8
DMDM (Belgrade) 2.3 -6.0 -15.0 -9.3 -16.8 -23.4 -23.6 0.4 2.7 2.7
DTAG (Frankfurt/M) 55.1 58.5 53.1 44.0 41.1 48.2 53.7 0.4 7.7 7.7
EIM (Thessaloniki) 13.8 11.2 - - 13.8 7.1 -2.6 4.0 11.2 11.9
ESTC (Noordwijk) -9.9 -5.7 -4.5 -5.4 -7.0 -6.0 -3.3 0.4 2.7 2.7
HKO (Hong Kong) 888.9 900.7 902.7 914.3 916.8 922.1 938.3 0.4 7.4 7.4
IFAG (Wettzell) -946.4 -958.3 -954.8 -956.2 -961.9 -948.9 -939.6 0.4 5.9 5.9
IMBH (Sarajevo) 1.7 -1.8 -2.1 -1.9 8.5 -8.0 -3.4 0.4 7.1 7.1
INCP (Lima) -30.7 -44.5 -58.6 -51.5 -64.4 - 861.6 5.0 20.0 20.6
INPL (Jerusalem) -65.1 -57.7 -57.6 -60.4 -56.6 -64.3 -66.1 0.4 7.1 7.1
INTI (Buenos Aires) 27.1 19.4 31.8 26.5 18.6 12.8 0.8 2.5 20.0 20.2
INXE (Rio de Janeiro) -3.5 9.1 16.0 13.0 -2.9 -15.2 -17.1 0.4 20.0 20.0
IT (Torino) -6.1 -6.4 -6.7 -7.6 -8.2 -8.4 -8.4 0.4 1.4 1.5
JATC (Lintong) -0.5 2.2 1.2 0.6 1.2 3.2 4.0 0.4 10.2 10.2
JV (Kjeller) -14.5 -12.3 -7.7 -4.0 -3.6 0.5 5.8 0.4 20.0 20.0
KEBS (Nairobi) - - - - - - -
KIM (Serpong-Tangerang) 728.2 737.8 764.1 768.5 793.9 802.4 826.8 2.0 20.0 20.1
KRIS (Daejeon) -31.6 -32.6 -33.9 -33.8 -33.3 -32.3 -30.5 0.4 11.1 11.1
KZ (Astana) 272.8 291.7 303.9 309.1 322.3 333.3 358.0 1.5 9.2 9.4
LT (Vilnius) 44.4 40.9 43.8 32.5 33.0 32.7 45.3 2.0 11.2 11.4
MASM (Bayanzurkh) -48.3 -67.5 -88.8 -110.6 -126.1 -146.9 -168.2 1.5 20.0 20.1
MBM (Podgorica) 45813.2 46115.6 46431.3 46732.2 47053.7 47374.9 47689.9 1.5 20.0 20.1
MIKE (Espoo) -20.7 -21.5 -22.7 -23.4 -24.0 -23.4 -22.3 0.7 4.1 4.2
MKEH (Budapest) -61263.7 -61470.0 -61676.9 -61884.9 -62086.6 -62295.3 -62514.4 1.5 20.0 20.1
MSL (Lower Hutt) 266.7 265.3 255.2 267.8 272.0 282.7 297.4 1.5 20.0 20.1
MTC (Makkah) 1005.2 1009.5 1018.8 1022.7 1018.9 1026.7 1035.0 0.4 7.4 7.4
NAO (Mizusawa) 27.5 29.8 32.0 51.2 61.7 65.4 64.2 2.0 20.0 20.1
NICT (Tokyo) -4.0 -4.1 -5.2 -6.0 -7.5 -8.6 -10.7 0.4 1.9 1.9
NIM (Beijing) -9.7 -10.0 -9.4 -8.4 -6.8 -5.4 -4.7 0.4 1.8 1.8
NIMB (Bucharest) 1795.6 1816.8 1832.0 1852.9 1848.6 1836.7 1844.3 0.4 7.2 7.2
NIMT (Pathumthani) 239.1 234.2 244.6 241.9 231.6 221.1 225.4 1.0 20.0 20.0
NIS (Cairo) 84.6 17.9 -2.9 -12.7 -25.1 -25.0 -6.8 1.6 20.0 20.1
NIST (Boulder) -2.6 -1.3 -0.6 0.0 0.8 1.0 0.9 0.4 1.7 1.8
NMIJ (Tsukuba) -3.3 -2.7 -1.5 -0.7 0.1 1.5 3.0 0.4 2.7 2.8
NMLS (Sepang) -214.8 -203.5 -184.5 -164.0 -146.4 -119.1 -105.2 1.0 20.0 20.1
NPL (Teddington) -4.4 -3.5 -3.8 -4.6 -7.2 -9.7 -9.9 1.0 7.1 7.2
NPLI (New-Delhi) 4.1 10.2 14.7 12.7 10.9 11.1 11.7 0.4 19.9 19.9
NRC (Ottawa) 31.1 33.0 34.3 31.8 34.7 29.3 41.2 0.4 2.7 2.7
NRL (Washington DC) -163.4 -189.9 -215.8 -242.7 -285.5 -407.5 -603.2 0.4 20.0 20.0
NTSC (Lintong) -1.7 1.0 -0.6 -1.1 -0.4 1.6 2.4 0.4 1.8 1.8
ONBA (Buenos Aires) -2231.3 -2236.9 -2238.7 -2236.1 -2252.2 -2246.5 -2240.4 2.5 11.2 11.5
ONRJ (Rio de Janeiro) 1.8 1.9 0.2 -0.2 1.4 -2.4 -4.0 1.0 7.6 7.7
OP (Paris) -7.2 -7.1 -6.8 -7.0 -6.4 -5.9 -5.8 0.4 1.2 1.3
ORB (Bruxelles) -6.7 -6.1 -5.2 -3.8 -2.2 -0.8 0.3 0.4 5.5 5.5
PL (Warszawa) -5.8 0.7 2.6 12.1 8.4 12.9 17.3 0.4 3.3 3.3
PTB (Braunschweig) -5.3 -5.5 -5.6 -5.8 -5.1 -4.3 -3.5 0.2 1.0 1.1
ROA (San Fernando) 0.1 -3.1 -7.6 -7.6 -6.2 -9.4 -8.3 0.4 1.3 1.4
SASO (Riyadh) -511.7 -516.3 -517.3 -520.8 -525.4 -529.4 -537.8 0.4 7.3 7.4
SCL (Hong Kong) -45.1 -41.9 -31.9 -26.2 -22.1 -11.4 -11.4 6.0 14.1 15.4
SG (Singapore) 13.3 18.1 13.1 11.2 10.8 10.5 13.2 0.7 5.9 5.9
SIQ (Ljubljana) 298.7 309.2 326.5 328.0 360.8 391.7 399.7 0.4 7.2 7.2
SMD (Bruxelles) -24.7 -22.2 -12.8 -14.8 -20.2 -26.8 -22.1 0.4 7.7 7.7
SMU (Bratislava) - - -1271.0 - - -1299.6 -1312.9 1.5 12.2 12.3
SP (Boras) -8.4 -7.6 -6.2 -5.4 -4.8 -4.0 -3.3 0.3 1.3 1.3
SU (Moskva) -4.6 -5.7 -6.4 -7.2 -7.3 -7.4 -8.5 1.3 6.3 6.4
TL (Chung-Li) -2.8 -2.9 -2.9 -2.4 -0.7 0.8 2.6 0.4 1.8 1.8
TP (Praha) 0.1 0.1 -1.0 3.2 3.0 1.6 -0.9 0.4 5.9 5.9
UA (Kharkov) -2.5 4.5 0.1 -3.3 -2.2 -4.0 -5.0 1.5 8.7 8.8
UAE (Abu Dhabi) 13.4 41.4 15.4 29.9 -0.1 0.6 4.0 7.7 8.7 (2)
UME (Gebze-Kocaeli) -1420.8 -1458.3 -1488.6 -1531.9 -1571.5 -1615.0 -1666.3 0.7 2.7 2.8
USNO (Washington DC) -2.4 -1.7 -1.3 -1.0 -1.2 -1.1 -0.8 0.3 1.2 1.2
VMI (Ha Noi) -8.7 -1.2 4.0 9.3 13.6 21.9 20.4 1.3 20.0 20.1
VSL (Delft) -2.4 -7.2 -6.2 -6.9 -8.4 -10.3 -7.1 0.4 1.4 1.5
ZA (Pretoria) 22.3 15.5 6.0 -0.8 -1.0 0.0 1.3 0.4 4.1 4.1
- Notes on section 1:
(1) BEV : Time step of UTC(BEV) of -55.5 ns due to change of master clock
(2) UAE : Emirates Metrology Institute (EMI/UAE), Abu Dhabi, United Arab Emirates

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 57904 - 57934 6.501x10-13 (2017 MAY 31 - 2017 JUN 30)
New correction 57934 - 57964 6.501x10-13 (2017 JUN 30 - 2017 JUL 30)
New correction foreseen 57964 - 57994 6.501x10-13 (2017 JUL 30 - 2017 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 57904 57934 -11.57 6.00 8.00 0.00 0.13 10.00 PFS/NA T148 8. Y (1)
PTB-CS2 57904 57934 -12.07 3.00 12.00 0.00 0.13 12.37 PFS/NA T148 12. Y (1)
IT-CsF2 57909 57934 -0.08 0.44 0.17 0.24 0.31 0.61 PFS/NA T315 0.19 Y (2)
PTB-CSF2 57904 57934 -0.20 0.20 0.20 0.03 0.13 0.31 PFS/NA T287 0.41 Y (3)
SU-CsFO2 57904 57934 0.40 0.33 0.24 0.11 0.85 0.95 PFS/NA T315 0.50 Y (4)
SYRTE-FO2 57904 57924 0.68 0.25 0.24 0.11 0.38 0.52 PFS/NA T301 0.23 Y (5)
SYRTE-FORb 57904 57924 0.99 0.25 0.28 0.11 0.38 0.54 0.7 [1] T328 0.34 Y (5)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report 04 JUL. 2017 by INRIM
(3) Report 03 JUL. 2017 by PTB
(4) Report 04 JUL. 2017 by SU
(5) Report 03 JUL. 2017 by LNE-SYRTE
[1] CIPM Recommendation 2 (CI-2015) : Updates to the list of standard frequencies in Proces-Verbaux
des Seances du Comite International des Poids et Mesures, 104th meeting (2015), 2016, 47 p.

Table 2: Estimate of d by the BIPM based on all PSFS measurements identified to be used for TAI steering
over the period MJD57544-57934, and corresponding uncertainties.

Period of estimation d u
57904-57934 0.09x10-15 0.22x10-15 (2017 MAY 31 - 2017 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'= 6.9 ns

2017 0h UTC MJD C0'/ns N0 C1'/ns N1'
MAY 31 57904 -5.7 89 3.8 81
JUN 1 57905 -6.1 90 3.6 89
JUN 2 57906 -4.6 89 3.5 83
JUN 3 57907 -2.9 89 4.5 85
JUN 4 57908 -3.6 89 4.9 87
JUN 5 57909 -4.1 90 7.5 89
JUN 6 57910 -4.2 89 11.7 85
JUN 7 57911 -4.5 89 13.2 68
JUN 8 57912 -3.7 89 12.6 89
JUN 9 57913 -4.2 90 11.8 90
JUN 10 57914 -4.0 89 10.8 80
JUN 11 57915 -2.7 89 9.6 89
JUN 12 57916 -3.7 89 9.1 87
JUN 13 57917 -4.3 90 9.1 86
JUN 14 57918 -3.5 89 10.3 75
JUN 15 57919 -3.8 89 10.5 87
JUN 16 57920 -6.4 89 9.5 88
JUN 17 57921 -4.8 90 6.9 87
JUN 18 57922 -3.5 89 6.2 86
JUN 19 57923 -4.4 89 3.5 88
JUN 20 57924 -4.5 89 -4.4 86
JUN 21 57925 -4.2 90 -9.1 90
JUN 22 57926 -3.5 89 -8.7 81
JUN 23 57927 -3.9 89 -10.3 84
JUN 24 57928 -6.5 89 -14.6 87
JUN 25 57929 -6.2 90 -14.4 90
JUN 26 57930 -3.4 89 -9.5 87
JUN 27 57931 -2.6 89 -5.7 84
JUN 28 57932 -3.2 89 0.6 86
JUN 29 57933 -3.3 90 9.2 89
JUN 30 57934 -3.8 88 14.0 79

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 GPS MC AP__ /PT10 1002-2003 / 1001-2016 1.0 11.2 10
AUS /PTB GPSPPP AU01 /PT03 1002-2010 / 1001-2016 0.3 5.8 3
BEV /PTB GPSPPP BE1_ /PT03 1012-2016 / 1001-2016 0.3 2.5 0
BIM /PTB GPS P3 BM37 /PT10 1011-2016 / 1001-2016 0.7 2.5 0
BIRM/PTB GPS P3 BIRM /PT03 NC / 1001-2016 0.7 20.0
BOM /PTB GPSPPP MABM /PT10 1011-2016 / 1001-2016 0.3 2.5 0
BY /PTB GPS MC BY46 /PT10 NA / 1001-2016 1.5 9.2 6
CAO /PTB GPS MC CA__ /PT10 NC / 1001-2016 8.0 20.0
CNES/PTB GPSPPP CS22 /PT03 1101-2016 / 1001-2016 0.3 4.0 0
CNM /PTB GPS MC CN00 /PT10 NA_Al / 1001-2016 2.5 11.2 10 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT03 NA_Al / 1001-2016 0.5 7.1 1 41.7 1607
DFNT/PTB GPS P3 DN__ /PT03 NC_Al / 1001-2016 0.7 20.0 10.3 1507
DLR /PTB GPS P3 DL05 /PT03 1012-2016 / 1001-2016 0.7 2.5 0
DMDM/PTB GPSPPP ZM68 /PT03 1011-2016 / 1001-2016 0.3 2.5 0
DTAG/PTB GPSPPP DT02 /PT03 NA / 1001-2016 0.3 7.6 3
EIM /PTB GPS MC EI__ /PT10 1011-2007 / 1001-2016 4.0 11.2 10
ESTC/PTB GPSPPP ES04 /PT03 1019-2016 / 1001-2016 0.3 2.5 0
HKO /PTB GPSPPP HKO1 /PT03 NA_Al / 1001-2016 0.3 7.3 2 +15.9 1304
IFAG/PTB GPSPPP IF13 /PT03 1011-2011 / 1001-2016 0.3 5.8 3
IMBH/PTB GPSPPP BH01 /PT03 2004-2016 / 1001-2016 0.3 7.0 0
INCP/PTB GPS MC CP__ /PT10 NC / 1001-2016 5.0 20.0
INPL/PTB GPSPPP IL05 /PT03 2002-2016 / 1001-2016 0.3 7.0 0
INTI/PTB GPS MC IN__ /PT10 NC / 1001-2016 2.5 20.0
INXE/PTB GPSPPP NXRA /PT03 NC / 1001-2016 0.3 20.0
JV /PTB GPSPPP JV01 /PT03 NC_Al / 1001-2016 0.3 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 KR01 /PT03 1003-2005 / 1001-2016 0.3 11.2 10
KZ /PTB GPS MC KZ01 /PT10 2002-2008 / 1001-2016 1.5 9.2 6
LT /PTB GPS MC LT01 /PT10 1007-2006 / 1001-2016 2.0 11.2 10
MASM/PTB GPS P3 MN__ /PT03 NC / 1001-2016 1.5 20.0
MBM /PTB GPS MC MEBM /PT10 NC / 1001-2016 1.5 20.0
MIKE/PTB GPS P3 MI04 /PT03 1102-2015 / 1001-2016 0.7 4.1 1
MKEH/PTB GPS MC MK01 /PT10 NC / 1001-2016 1.5 20.0
MSL /PTB GPS P3 MS0_ /PT03 NC / 1001-2016 1.5 20.0
MTC /PTB GPSPPP MC02 /PT03 NA_Al / 1001-2016 0.3 7.3 2 32.6 1503
NAO /PTB GPS MC NA__ /PT10 NC / 1001-2016 2.0 20.0
NICT/PTB GPSPPP NC01 /PT03 1001-2016 / 1001-2016 0.3 1.7 0
NIMB/PTB GPSPPP MB02 /PT03 NA_Al / 1001-2016 0.3 7.1 1 32.2 1611
NIMT/PTB GPS P3 MTTO /PT03 NC / 1001-2016 1.0 20.0
NIS /PTB GPS P3 IS__ /PT03 NC_Al / 1001-2016 1.6 20.0 +16.4 1303
NMIJ/PTB GPSPPP NM0D /PT03 NA_Al / 1001-2016 0.3 2.6 2
NMLS/PTB GPS P3 LSM1 /PT03 NC_Al / 1001-2016 1.0 20.0 +3.3 1311
NPLI/PTB GPSPPP LI2P /PT03 NC / 1001-2016 0.3 20.0
NRC /PTB GPSPPP NRC4 /PT03 1017-2016 / 1001-2016 0.3 2.5 0
NRL /PTB GPSPPP RL__ /PT03 NC / 1001-2016 0.3 20.0
ONBA/PTB GPS MC ON__ /PT10 1002-2004 / 1001-2016 2.5 11.2 10
ONRJ/PTB GPS P3 RJ01 /PT03 NA_Al / 1001-2016 1.0 7.6 3 +5.6 1302
ORB /PTB GPSPPP OR1Z /PT03 1001-2012 / 1001-2016 0.3 5.4 2
PL /PTB GPSPPP PL_3 /PT03 1101-2013 / 1001-2016 0.3 3.2 2
SASO/PTB GPSPPP SA00 /PT03 NA_Al / 1001-2016 0.3 7.3 2 32.8 1505
SCL /PTB GPS MC SC__ /PT10 1001-1993 / 1001-2016 6.0 14.1 10
SG /PTB GPS P3 SG2P /PT03 1001-2010 / 1001-2016 0.7 5.8 3
SIQ /PTB GPSPPP SI01 /PT03 2002-2014 / 1001-2016 0.3 7.1 1
SMD /PTB GPSPPP SD21 /PT03 2002-2011 / 1001-2016 0.3 7.6 3
SMU /PTB GPS MC SM00 /PT10 NA_Al / 1001-2016 1.5 12.2 10 57.8 0908
SU /PTB GPS MC SU19 /PT10 NA_Al / 1001-2016 1.5 7.1 5 -7.8 1411
TL /PTB GPSPPP TLT1 /PT03 1001-2016 / 1001-2016 0.3 1.5 0
TP /PTB GPSPPP TP04 /PT03 1002-2009 / 1001-2016 0.3 5.8 3
UA /PTB GPS MC UA04 /PT10 2003-2011 / 1001-2016 1.5 8.6 5
UAE /PTB GPS MC AE__ /PT10 2001-2016 / 1001-2016 4.0 7.6 3
UME /PTB GPS P3 UM01 /PT03 1011-2016 / 1001-2016 0.7 2.5 0
VMI /PTB GPS P3 VM__ /PT03 NC / 1001-2016 1.3 20.0
ZA /PTB GPSPPP ZA02 /PT03 1102-2016 / 1001-2016 0.3 4.0 0
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
AOS /PTB TWGPPP AOS01 /PTB01 NA_Al 0.4 2.7 1 -5.4 1605
CH /PTB TWGPPP CH01 /PTB01 0284-2012 0.3 1.4 1
IT /PTB TWGPPP IT02 /PTB01 0434-2016 0.3 1.0 0
JATC/NTSC INT LK INTDLY 0.2 10.0 10
NIM /PTB TWGPPP NIM01 /PTB03 0417-2016 0.3 1.5 0
NIST/PTB TWGPPP NIST01/PTB01 0393-2015 0.3 1.5 0
NPL /PTB TWGPPP NPL01 /PTB01 NA_Al 1.0 7.1 1 -18.8 1605
NTSC/PTB TWGPPP NTSC02/PTB03 0418-2016 0.3 1.5 0
OP /PTB TWGPPP OP01 /PTB01 0437-2016 0.3 0.7 0
ROA /PTB TWGPPP ROA01 /PTB01 0440-2016 0.3 0.8 0
SP /PTB TWGPPP SP01 /PTB01 0441-2016 0.3 0.8 0
USNO/PTB TWGPPP USNO01/PTB01 0395-2016 0.3 1.0 0
VSL /PTB TWGPPP VSL01 /PTB01 0295-2015 0.3 1.0 0