CIRCULAR T 356 ISSN 1143-1393
2017 SEPTEMBER 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 JUL 30 AUG 4 AUG 9 AUG 14 AUG 19 AUG 24 AUG 29 Uncertainty/ns Notes
MJD 57964 57969 57974 57979 57984 57989 57994 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AOS (Borowiec) -6.7 -5.1 -3.9 -2.3 -1.0 -2.1 -2.6 0.5 3.0 3.0
APL (Laurel) 2.0 0.8 0.7 1.4 -2.0 0.5 1.6 0.4 10.9 10.9
AUS (Sydney) 465.1 457.8 451.5 438.6 437.9 441.3 436.8 0.4 5.9 5.9
BEV (Wien) 55.0 51.4 50.9 44.6 45.2 39.6 36.2 0.4 2.8 2.8
BIM (Sofiya) 6651.1 6698.8 6733.2 6762.8 6802.7 6821.6 6864.7 0.7 3.0 3.1
BIRM (Beijing) 10.9 24.8 36.1 37.3 36.0 42.3 37.7 0.7 2.8 2.9
BOM (Skopje) -840.5 -832.0 -827.9 -829.4 -831.0 -829.0 -839.4 0.7 7.4 7.4
BY (Minsk) -0.9 -1.7 2.3 1.4 -0.5 -1.0 -0.6 1.5 9.3 9.4
CAO (Cagliari) - - - - - - -
CH (Bern-Wabern) 7.9 10.3 14.9 22.6 30.8 31.5 27.9 0.4 1.9 1.9
CNES (Toulouse) 9.6 16.4 19.6 23.6 25.7 27.5 27.3 0.4 4.2 4.2
CNM (Queretaro) 8.5 9.0 10.2 3.0 1.4 0.9 -1.1 2.5 11.1 11.4
CNMP (Panama) 9.3 -0.9 -15.4 -24.0 -42.4 -26.2 -41.5 0.6 7.2 7.2
DFNT (Tunis) 18655.6 18858.5 19069.3 19278.8 19467.0 19674.2 19872.3 0.7 20.0 20.1
DLR (Oberpfaffenhofen) 177.7 243.5 310.4 -7.7 50.5 41.1 44.4 0.7 3.0 3.1
DMDM (Belgrade) 8.2 4.5 14.5 8.3 10.1 -3.6 -0.8 0.4 2.8 2.8
DTAG (Frankfurt/M) 49.2 46.6 45.6 45.2 42.4 38.1 29.7 0.4 7.7 7.7
EIM (Thessaloniki) -7.1 22.1 -1.9 16.0 27.4 9.8 -77.7 4.0 11.3 12.0
ESTC (Noordwijk) -0.4 0.5 0.4 -0.4 -0.4 0.5 -0.8 0.4 2.8 2.8
HKO (Hong Kong) 999.4 1004.5 1014.5 1018.1 1037.8 1040.3 1054.0 0.4 7.4 7.4
ICE (San Jose) 7.0 14.0 17.6 21.7 22.3 30.1 45.5 0.4 20.0 20.0
IFAG (Wettzell) -955.9 -957.5 -963.2 -953.5 -963.1 -948.6 -947.2 1.0 5.9 6.0
IMBH (Sarajevo) -2.9 0.5 6.6 -4.3 -2.0 2.8 13.5 0.4 7.1 7.1
INCP (Lima) 101.9 111.2 112.5 110.8 105.2 112.4 120.2 5.0 20.0 20.7
INM (Bogota D.C.) - -16.2 -15.4 -11.7 -12.1 -15.2 2.5 20.0 20.2 (1)
INPL (Jerusalem) 1.3 -5.4 -13.7 -18.2 -12.0 -17.9 -19.9 0.4 7.1 7.1
INTI (Buenos Aires) -29.2 -28.8 -9.7 -1.3 -0.6 -1.5 2.7 2.5 20.0 20.2
INXE (Rio de Janeiro) 2.5 -10.2 -6.2 -5.1 -8.5 -4.3 -7.5 0.4 20.0 20.0
IT (Torino) -7.6 -7.1 -6.0 -4.8 -4.7 -4.9 -5.1 0.4 1.6 1.6
JATC (Lintong) 6.9 4.1 5.0 4.1 4.6 6.1 3.2 0.4 10.2 10.2
JV (Kjeller) 29.9 33.4 32.7 30.3 22.9 15.0 4.8 0.4 20.0 20.0
KEBS (Nairobi) - - - - - - -
KIM (Serpong-Tangerang) - 43.2 65.5 75.3 79.9 119.4 141.1 2.0 20.0 20.1
KRIS (Daejeon) -2.7 3.5 10.1 17.6 24.3 30.3 35.5 0.4 11.1 11.1
KZ (Astana) -442.2 -807.2 -608.4 -353.9 -192.4 -247.6 -294.7 1.5 9.3 9.4
LT (Vilnius) 85.6 97.5 99.0 116.9 111.7 127.1 158.7 2.0 11.3 11.4
MASM (Bayanzurkh) -295.1 -321.4 -338.9 -355.1 -375.2 -390.1 -411.6 0.7 20.0 20.1
MBM (Podgorica) 49629.4 49956.5 50297.0 50625.2 50975.4 51319.9 51657.3 1.5 20.0 20.1
MIKE (Espoo) -4.2 -4.1 -3.1 -1.6 -1.8 -0.6 -0.4 0.7 4.2 4.3
MKEH (Budapest) -63747.7 -63965.8 -64177.8 -64389.2 -64589.1 -64811.3 -65005.0 1.5 20.0 20.1
MSL (Lower Hutt) 268.3 233.0 249.0 250.3 267.3 290.1 285.3 1.5 20.0 20.1
MTC (Makkah) 1088.8 1076.7 1111.2 1108.2 1141.9 1139.8 1149.2 10.0 7.4 12.4
NAO (Mizusawa) 94.1 104.7 92.9 - 97.7 102.4 99.4 2.0 20.0 20.1
NICT (Tokyo) -12.8 -12.9 -12.7 -10.0 -8.3 -7.4 -5.7 0.4 2.2 2.3
NIM (Beijing) 3.7 4.2 3.5 4.4 4.8 5.2 5.2 0.7 1.9 2.0
NIMB (Bucharest) 1860.0 1849.0 1839.4 1826.2 1815.1 1820.3 1813.1 0.4 7.2 7.2
NIMT (Pathumthani) 216.7 213.1 216.4 211.0 203.4 200.8 203.3 1.0 20.0 20.1
NIS (Cairo) 20.8 16.9 18.3 25.2 24.0 24.4 11.9 1.6 20.0 20.1
NIST (Boulder) 1.9 2.7 3.0 3.4 2.5 1.2 0.5 0.4 1.9 1.9
NMIJ (Tsukuba) 8.5 9.9 9.6 10.0 10.2 9.5 8.8 0.4 2.8 2.9
NMLS (Sepang) 264.6 297.1 342.0 396.8 450.2 496.4 537.9 1.0 20.0 20.1
NPL (Teddington) -13.5 -11.2 -8.8 -6.6 -4.0 -1.5 0.7 1.0 7.1 7.2
NPLI (New-Delhi) 16.7 15.1 16.0 16.8 14.2 10.4 7.8 0.4 19.9 19.9
NRC (Ottawa) 49.7 48.0 46.7 43.0 41.2 43.0 45.3 0.4 2.8 2.8
NRL (Washington DC) - -21.1 -155.5 -126.1 -95.5 -62.7 -30.1 0.4 20.0 20.0 (2)
NTSC (Lintong) 5.2 2.5 3.4 1.6 3.7 5.0 1.8 0.4 2.0 2.1
ONBA (Buenos Aires) -2218.4 -2218.2 -2188.6 -2193.7 -2187.7 -2209.3 -2211.9 2.5 11.3 11.5
ONRJ (Rio de Janeiro) 4.4 9.3 11.0 5.5 6.4 3.6 1.5 1.0 7.7 7.7
OP (Paris) -1.8 -0.7 0.2 1.3 1.3 1.3 1.1 0.4 1.4 1.5
ORB (Bruxelles) 2.9 3.6 3.0 3.0 3.0 1.5 0.9 0.4 5.5 5.5
PL (Warszawa) -6.0 -9.2 -2.4 -4.2 -2.4 -1.8 3.2 0.4 3.4 3.4
PTB (Braunschweig) -1.3 -1.5 -1.6 -0.8 -0.6 -0.5 -0.3 0.3 1.2 1.3
ROA (San Fernando) 1.8 3.6 3.5 3.7 4.0 6.5 5.9 0.4 1.5 1.5
SASO (Riyadh) -564.9 -572.0 -578.2 -586.9 -589.3 -602.0 -603.0 0.4 7.4 7.4
SCL (Hong Kong) 17.3 20.2 26.3 30.8 41.7 46.0 43.3 6.0 14.1 15.4
SG (Singapore) 19.6 21.3 19.2 12.3 8.3 4.8 6.1 0.7 5.9 6.0
SIQ (Ljubljana) 361.4 344.9 336.1 316.9 325.0 280.0 264.6 0.4 7.2 7.2
SMD (Bruxelles) -6.7 -5.9 -4.5 -4.9 -5.4 -1.0 -2.1 0.4 7.7 7.7
SMU (Bratislava) - -1385.8 -1384.5 -1389.3 -1388.6 -1384.2 -1399.3 1.5 12.3 12.4
SP (Boras) 1.4 1.9 2.1 2.7 3.2 3.7 4.3 0.4 1.4 1.5
SU (Moskva) 1.0 2.3 4.1 4.5 5.4 5.2 5.6 1.3 6.0 6.1
TL (Chung-Li) 7.9 6.7 4.5 2.7 0.7 -0.5 -1.2 0.4 2.2 2.2
TP (Praha) -30.2 -26.6 -24.9 -26.7 -25.0 -29.4 -29.0 0.4 6.5 6.5
UA (Kharkov) -7.0 -0.1 2.6 1.0 3.2 -0.6 2.1 1.5 8.7 8.8
UAE (Abu Dhabi) - - - 7.1 -0.8 8.9 12.2 4.0 8.2 9.1
UME (Gebze-Kocaeli) -1959.5 -2010.4 -2057.0 -2105.5 -2153.6 -2196.8 -2251.0 0.7 3.0 3.1
USNO (Washington DC) 0.4 0.8 0.9 1.6 2.1 1.9 1.7 0.3 1.4 1.5
VMI (Ha Noi) -9.1 -3.1 7.8 18.3 12.2 18.6 20.7 1.3 20.0 20.1
VSL (Delft) 6.4 2.9 -1.6 2.1 13.4 15.2 11.0 0.4 1.6 1.6
ZA (Pretoria) -13.6 -6.4 -0.2 - - 7.1 6.0 0.7 4.2 4.3
- Notes on section 1:
(1) INM : Instituto Nacional de Metrologia de Colombia (INM(CO)), Bogota D.C., Colombia
(2) NRL : Time step of UTC(NRL) of about +137 ns on MJD 57971.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 57964 - 57994 6.501x10-13 (2017 JUL 30 - 2017 AUG 29)
New correction 57994 - 58024 6.501x10-13 (2017 AUG 29 - 2017 SEP 28)
New correction foreseen 58024 - 58054 6.501x10-13 (2017 SEP 28 - 2017 OCT 28)

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 57964 57994 -7.51 6.00 8.00 0.00 0.17 10.00 PFS/NA T148 8. Y (1)
PTB-CS2 57964 57994 -0.15 3.00 12.00 0.00 0.17 12.37 PFS/NA T148 12. Y (1)
NIM5 57969 57989 -0.16 0.60 1.40 0.20 0.66 1.67 PFS/NA T340 1.4 Y (2)
PTB-CSF1 57979 57994 0.12 0.09 0.40 0.05 0.37 0.55 PFS/NA T162 1.40 Y (3)
PTB-CSF2 57974 57994 -0.18 0.11 0.20 0.05 0.28 0.37 PFS/NA T287 0.41 Y (3)
SYRTE-FO2 57964 57984 -0.48 0.25 0.26 0.12 0.38 0.53 PFS/NA T301 0.23 Y (4)
SYRTE-FORb 57964 57984 0.03 0.25 0.30 0.12 0.38 0.56 0.7 [1] T328 0.34 Y (5)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report 04 SEP. 2017 by NIM
(3) Report 01 SEP. 2017 by PTB
(4) Report 04 SEP. 2017 by LNE-SYRTE
(5) Report 04 SEP. 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 MJD57604-57994, and corresponding uncertainties.

Period of estimation d u
57964-57994 -0.13x10-15 0.25x10-15 (2017 JUL 30 - 2017 AUG 29)

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'= 6.9 ns

2017 0h UTC MJD C0'/ns N0 C1'/ns N1'
JUL 30 57964 -3.5 89 14.4 88
JUL 31 57965 -2.3 88 18.0 90
AUG 1 57966 -0.8 89 24.4 74
AUG 2 57967 -1.6 89 26.4 88
AUG 3 57968 -2.4 89 22.0 87
AUG 4 57969 -2.5 68 18.2 86
AUG 5 57970 -3.1 89 16.7 87
AUG 6 57971 -3.2 89 16.2 89
AUG 7 57972 -2.7 89 16.4 71
AUG 8 57973 -2.7 90 17.0 69
AUG 9 57974 -3.4 89 20.0 80
AUG 10 57975 -2.3 89 22.3 84
AUG 11 57976 -1.1 89 23.1 89
AUG 12 57977 -2.5 89 24.9 82
AUG 13 57978 -4.5 89 26.1 88
AUG 14 57979 -3.3 89 26.8 86
AUG 15 57980 -1.5 89 26.0 89
AUG 16 57981 -2.7 90 26.5 89
AUG 17 57982 -1.5 88 25.9 81
AUG 18 57983 -0.7 89 25.2 83
AUG 19 57984 -3.5 89 24.1 87
AUG 20 57985 -2.9 89 21.4 87
AUG 21 57986 -1.1 89 20.6 86
AUG 22 57987 -3.0 89 20.5 89
AUG 23 57988 -3.2 89 20.2 88
AUG 24 57989 -1.5 90 22.4 89
AUG 25 57990 -1.6 89 23.9 82
AUG 26 57991 -1.7 89 24.4 89
AUG 27 57992 -2.2 89 27.6 88
AUG 28 57993 -3.6 90 28.3 88
AUG 29 57994 -1.3 89 25.8 89

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 24.3 1511
AUS /PTB GPSPPP AU01 /PT02 1002-2010 / 1001-2016 0.3 5.8 3
BEV /PTB GPSPPP BE1_ /PT02 1012-2016 / 1001-2016 0.3 2.5 0
BIM /PTB GPS P3 BM37 /PT02 1011-2016 / 1001-2016 0.7 2.7 1
BIRM/PTB GPS P3 BI01 /PT02 1015-2016 / 1001-2016 0.7 2.5 0
BOM /PTB GPS P3 MABM /PT02 2004-2014 / 1001-2016 0.7 7.3 2
BY /PTB GPS MC BY46 /PT07 NA / 1001-2016 1.5 9.2 6
CAO /PTB NL
CNES/PTB GPSPPP CS22 /PT02 1101-2016 / 1001-2016 0.3 4.0 0
CNM /PTB GPS MC CN00 /PT07 NA_Al / 1001-2016 2.5 11.2 10 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT02 NA_Al / 1001-2016 0.5 7.1 1 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 2.7 1
DMDM/PTB GPSPPP ZM68 /PT02 1011-2016 / 1001-2016 0.3 2.5 0
DTAG/PTB GPSPPP DT04 /PT02 NA / 1001-2016 0.3 7.6 3
EIM /PTB GPS MC EI__ /PT07 1011-2007 / 1001-2016 4.0 11.2 10
ESTC/PTB GPSPPP ES04 /PT02 1019-2016 / 1001-2016 0.3 2.5 0
HKO /PTB GPSPPP HKO1 /PT02 NA_Al / 1001-2016 0.3 7.3 2 +15.9 1304
ICE /PTB GPSPPP CE__ /PT02 NC / 1001-2016 0.3 20.0
IFAG/PTB GPS P3 IF18 /PT02 NA_Al / 1001-2016 1.0 5.8 3
IMBH/PTB GPSPPP BH01 /PT02 2004-2016 / 1001-2016 0.3 7.0 0
INCP/PTB GPS MC CP__ /PT07 NC / 1001-2016 5.0 20.0
INM /PTB GPS MC IC__ /PT07 NC / 1001-2016 2.5 20.0
INPL/PTB GPSPPP IL05 /PT02 2002-2016 / 1001-2016 0.3 7.0 0
INTI/PTB GPS MC IN__ /PT07 NC / 1001-2016 2.5 20.0
INXE/PTB GPSPPP NXRA /PT02 NC / 1001-2016 0.3 20.0
JV /PTB GPSPPP JV01 /PT02 NC_Al / 1001-2016 0.3 20.0 130.0 1509
KEBS/PTB NL
KIM /PTB GPS MC KI02 /PT07 NC_Al / 1001-2016 2.0 20.0 -30.6 0901
KRIS/PTB GPSPPP KR01 /PT02 1003-2005 / 1001-2016 0.3 11.2 10
KZ /PTB GPS MC KZ01 /PT07 2002-2008 / 1001-2016 1.5 9.2 6
LT /PTB GPS MC LT01 /PT07 1007-2006 / 1001-2016 2.0 11.2 10
MASM/PTB GPS P3 MN__ /PT02 NC / 1001-2016 0.7 20.0
MBM /PTB GPS MC MEBM /PT07 NC / 1001-2016 1.5 20.0
MIKE/PTB GPS P3 MI04 /PT02 1102-2015 / 1001-2016 0.7 4.1 1
MKEH/PTB GPS MC MK01 /PT07 NC / 1001-2016 1.5 20.0
MSL /PTB GPS P3 MS0_ /PT02 NC / 1001-2016 1.5 20.0
MTC /PTB GPS P3 MC02 /PT02 NA_Al / 1001-2016 10.0 7.3 2 32.6 1411
NAO /PTB GPS MC NAT2 /PT07 NC / 1001-2016 2.0 20.0
NICT/PTB GPSPPP NC01 /PT02 1001-2016 / 1001-2016 0.3 2.0 1
NIM /PTB GPS P3 IM06 /PT02 1001-2016 / 1001-2016 0.7 1.5 0
NIMB/PTB GPSPPP MB02 /PT02 NA_Al / 1001-2016 0.3 7.1 1 32.2 1611
NIMT/PTB GPS P3 MTTO /PT02 NC / 1001-2016 1.0 20.0
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 2.6 2
NMLS/PTB GPS P3 LSM1 /PT02 NC_Al / 1001-2016 1.0 20.0 +3.3 1311
NPLI/PTB GPSPPP LI2P /PT02 NC / 1001-2016 0.3 20.0
NRC /PTB GPSPPP NRC4 /PT02 1017-2016 / 1001-2016 0.3 2.5 0
NRL /PTB GPSPPP RL__ /PT02 NC / 1001-2016 0.3 20.0
NTSC/PTB GPSPPP NTP3 /PT02 1001-2016 / 1001-2016 0.3 1.7 0
ONBA/PTB GPS MC ON__ /PT07 1002-2004 / 1001-2016 2.5 11.2 10
ONRJ/PTB GPS P3 RJ01 /PT02 NA_Al / 1001-2016 1.0 7.6 3 +5.6 1302
ORB /PTB GPSPPP OR1Z /PT02 1001-2012 / 1001-2016 0.3 5.4 2
PL /PTB GPSPPP PL_3 /PT02 1101-2013 / 1001-2016 0.3 3.2 2
SASO/PTB GPSPPP SA00 /PT02 NA_Al / 1001-2016 0.3 7.3 2 32.8 1505
SCL /PTB GPS MC SC__ /PT07 1001-1993 / 1001-2016 6.0 14.1 10
SG /PTB GPS P3 SG2P /PT02 1001-2010 / 1001-2016 0.7 5.8 3
SIQ /PTB GPSPPP SI01 /PT02 2002-2014 / 1001-2016 0.3 7.1 1
SMD /PTB GPSPPP SD21 /PT02 2002-2011 / 1001-2016 0.3 7.6 3
SMU /PTB GPS MC SM00 /PT07 NA_Al / 1001-2016 1.5 12.2 10 57.8 0908
SU /PTB GPS MC SU19 /PT07 NA_Al / 1001-2016 1.5 7.1 5 -7.8 1411
TL /PTB GPSPPP TLT1 /PT02 1001-2016 / 1001-2016 0.3 1.8 1
TP /PTB GPSPPP TP04 /PT02 1002-2009 / 1001-2016 0.3 6.4 4
UA /PTB GPS MC UA04 /PT07 2003-2011 / 1001-2016 1.5 8.6 5
UAE /PTB GPS MC AE__ /PT07 2001-2016 / 1001-2016 4.0 8.1 4
UME /PTB GPS P3 UM01 /PT02 1011-2016 / 1001-2016 0.7 2.7 1
VMI /PTB GPS P3 VM__ /PT02 NC / 1001-2016 1.3 20.0
ZA /PTB GPS P3 ZA02 /PT10 1102-2016 / 1001-2016 0.7 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
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
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 TWSTFT USNO01/PTB01 0395-2016 0.3 1.0 0
VSL /PTB TWGPPP VSL01 /PTB01 0295-2015 0.3 1.0 0