CIRCULAR T 375 ISSN 1143-1393
2019 APRIL 10, 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_v0.2.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 2019 0h UTC FEB 25 MAR 2 MAR 7 MAR 12 MAR 17 MAR 22 MAR 27 Uncertainty/ns Notes
MJD 58539 58544 58549 58554 58559 58564 58569 uA uB u
Laboratory k [UTC-UTC(k)]/ns
AOS (Borowiec) -1.3 -2.2 -2.4 -2.3 -2.1 -2.2 -1.9 0.4 4.2 4.2
APL (Laurel) -29.9 -12.2 -7.0 -2.3 -2.3 0.3 0.0 0.4 11.1 11.1
AUS (Sydney) -77.9 -87.8 -100.5 -107.0 -109.6 -107.1 -132.5 0.4 6.5 6.5
BEV (Wien) 27.7 35.2 30.7 24.4 13.1 10.3 3.8 0.4 3.3 3.3
BIM (Sofiya) - - - - - - -
BIRM (Beijing) -1.9 2.1 5.4 7.0 8.5 8.2 7.4 0.5 3.2 3.2
BOM (Skopje) -1672.8 -1693.5 -1715.2 -1744.5 -1776.5 -1804.1 -1819.6 1.5 8.4 8.5
BY (Minsk) -1.5 -0.6 -0.1 0.1 0.3 1.1 1.5 1.5 12.3 12.3
CAO (Cagliari) -9989.6 -10095.9 -10204.5 -10310.8 -10413.3 -10515.3 -10613.4 1.5 20.0 20.1
CH (Bern-Wabern) -6.4 -6.7 -7.6 -9.2 -11.3 -13.4 -14.0 0.4 2.2 2.2
CNES (Toulouse) 12.3 10.7 13.0 16.5 11.2 7.3 3.1 0.4 4.6 4.7
CNM (Queretaro) -0.9 0.7 8.5 2.3 -1.0 -2.1 -2.2 2.5 11.2 11.5
CNMP (Panama) -18.8 -4.4 0.0 -2.1 8.1 15.9 -0.1 0.5 7.4 7.4
DFNT (Tunis) 3966.8 4144.6 4340.6 4538.6 4724.0 4933.9 5117.4 0.7 20.0 20.0
DLR (Oberpfaffenhofen) -20.5 -8.3 -5.1 -6.2 3.8 - - 0.7 3.4 3.5
DMDM (Belgrade) -2.8 -5.5 0.2 -0.2 6.6 10.1 19.1 0.4 3.3 3.3
DTAG (Frankfurt/M) -212.4 -219.9 -211.7 -209.2 -197.5 -195.7 -187.9 0.4 3.0 3.0
EIM (Thessaloniki) -0.1 5.0 10.1 2.6 -6.0 2.2 2.3 3.0 11.3 11.7
ESTC (Noordwijk) -0.4 0.8 0.4 0.6 0.6 0.1 0.7 0.4 3.2 3.2
HKO (Hong Kong) 980.4 -18.7 -23.4 -27.0 -25.9 -33.5 -28.6 0.4 7.9 7.9 (1)
ICE (San Jose) 79.5 80.4 65.4 76.8 51.1 49.5 57.5 5.0 20.0 20.6
IFAG (Wettzell) -1020.0 -1019.8 -1017.2 -1016.0 -1011.5 -1004.4 -996.2 0.4 5.2 5.2
IGNA (Buenos Aires) - - - 6.9 8.8 2.9 6.2 2.5 20.0 20.2
IMBH (Sarajevo) 2.0 0.3 -3.6 0.8 -0.9 1.4 0.1 0.7 7.3 7.3
INCP (Lima) - 79.5 171.3 292.4 409.8 543.5 659.3 5.0 20.0 20.6
INM (Bogota D.C.) 29.5 25.5 13.7 14.6 11.4 1.2 -6.3 2.0 20.0 20.1
INPL (Jerusalem) -148.2 -139.7 -131.7 -132.2 -132.9 -134.0 -136.3 0.4 7.3 7.3
INTI (Buenos Aires) -85.1 -74.3 -75.2 -90.2 -93.6 -96.0 -71.5 2.5 20.0 20.2
INXE (Rio de Janeiro) 0.7 5.3 16.0 12.0 -5.2 -6.5 -3.2 0.4 20.0 20.0
IPQ (Caparica) - -0.5 -131.2 -243.5 -354.4 -423.0 -323.2 0.5 20.0 20.0
IT (Torino) -2.0 -1.3 -0.3 0.3 0.7 0.7 0.6 0.4 1.7 1.8
JATC (Lintong) 1.1 3.6 3.7 2.1 1.5 0.7 1.6 0.4 2.7 2.8
JV (Kjeller) 55.1 60.6 66.4 67.4 76.8 77.8 78.9 0.4 4.3 4.3
KEBS (Nairobi) - - - - - - -
KIM (Serpong-Tangerang) 1067.9 1092.2 1097.0 1096.2 1124.9 1129.9 - 2.0 20.0 20.1
KRIS (Daejeon) 4.9 5.5 6.1 7.0 7.5 7.8 8.5 0.4 3.2 3.2
KZ (Astana) - - - - - - -
LRTE (Sao Carlos) -28.9 -22.4 -20.4 -20.5 -3.9 -2.7 6.1 0.4 20.0 20.0 (2)
LT (Vilnius) 603.9 598.6 605.5 625.7 633.8 662.0 682.2 0.4 2.8 2.8
LUX (Belvaux) - -16.7 -0.5 1.7 5.1 8.9 8.5 0.4 2.8 2.9
MASM (Bayanzurkh) -190.4 -266.4 -87.7 -168.4 -250.9 -320.8 -401.1 0.7 20.0 20.0 (3)
MBM (Podgorica) - - - - - - -
MIKE (Espoo) -3.7 -3.5 -3.4 -3.3 -3.4 -3.5 -3.2 0.4 4.6 4.7
MKEH (Budapest) -7875.5 -8090.7 -8310.2 -8513.1 -8724.5 -8950.7 -9174.1 1.5 20.0 20.1
MSL (Lower Hutt) 416.3 420.7 443.7 - - 393.5 410.5 1.5 20.0 20.1
MTC (Makkah) - - - - - - -
NAO (Mizusawa) -447.0 -448.6 -456.2 -461.3 -472.8 -485.6 -499.3 2.0 19.9 20.0
NICT (Tokyo) -0.5 -3.0 -3.6 -5.2 -6.5 -5.8 -5.0 0.4 1.9 1.9
NIM (Beijing) -4.9 -3.7 -3.4 -1.8 0.9 0.8 0.5 0.4 1.9 1.9
NIMB (Bucharest) 4931.0 4972.3 5020.6 5069.5 5112.5 5158.6 5209.3 0.5 7.5 7.5
NIMT (Pathumthani) -157.1 -141.4 -140.9 -132.8 -122.3 -107.0 -97.0 1.5 4.0 4.2
NIS (Cairo) -1.1 -3.0 -11.6 -20.2 -27.3 -18.1 -2.2 1.6 20.0 20.1
NIST (Boulder) -2.4 -0.7 0.7 -0.1 -1.0 -1.3 -1.9 0.4 2.1 2.2
NMIJ (Tsukuba) -0.1 -0.5 -0.4 0.0 -0.2 -1.3 -1.8 0.4 3.4 3.4
NMLS (Sepang) - - - - - - -
NPL (Teddington) -2.8 -2.7 -2.8 -2.4 -3.0 -3.1 -3.1 0.5 3.3 3.4
NPLI (New-Delhi) 10.6 13.5 14.0 12.4 10.6 7.9 5.7 0.4 2.8 2.9
NRC (Ottawa) -21.1 -19.9 -16.5 -10.0 -4.9 1.4 8.8 0.4 3.0 3.0
NRL (Washington DC) 5.3 9.9 15.8 11.7 7.6 5.6 5.7 0.4 20.0 20.0
NTSC (Lintong) -1.2 1.7 1.9 0.3 -0.5 -0.9 0.2 0.3 2.6 2.6
ONBA (Buenos Aires) -323.3 -97.5 -87.9 -85.9 -77.8 -58.0 -23.4 2.0 11.3 11.4 (4)
ONRJ (Rio de Janeiro) 0.8 -6.2 1.6 10.0 10.7 14.0 12.1 6.5 20.0 21.0
OP (Paris) 0.7 1.1 1.3 1.3 0.7 0.2 -0.2 0.4 1.7 1.7
ORB (Bruxelles) 2.8 3.4 3.7 4.2 4.1 3.3 2.8 0.4 3.2 3.2
PL (Warszawa) 2.4 0.6 -1.7 -3.6 1.4 5.3 9.4 0.4 3.2 3.2
PTB (Braunschweig) 0.5 0.9 1.0 1.3 1.4 1.4 1.3 0.2 1.2 1.2
ROA (San Fernando) -2.8 -1.9 -0.8 -0.3 -1.3 -2.8 -4.3 0.4 2.0 2.0
SASO (Riyadh) -218.7 -231.3 -243.7 -248.5 -265.4 -283.2 -294.0 0.5 3.2 3.2
SCL (Hong Kong) -172.6 -162.9 -146.7 -119.5 -106.1 -96.1 -86.3 1.0 20.0 20.1
SG (Singapore) 13.4 12.0 13.6 8.5 5.3 4.5 8.0 0.4 6.7 6.7
SIQ (Ljubljana) 310.4 276.0 266.9 284.4 283.3 248.5 262.7 0.4 7.6 7.6
SL (Colombo) -10.4 8.6 11.1 16.5 18.0 23.7 27.6 0.4 20.0 20.0 (5)
SMD (Bruxelles) -7.2 -11.2 -4.2 -5.5 -4.9 -5.6 -6.3 0.4 3.2 3.2
SMU (Bratislava) -865.4 -816.6 -768.2 -720.7 -676.9 -636.0 -585.0 1.5 12.3 12.3
SP (Boras) -1.8 -1.4 -1.4 -1.6 -1.7 -0.8 -0.1 0.3 1.7 1.7
SU (Moskva) -1.3 -0.5 -0.4 -0.2 -0.3 -0.2 -0.1 1.3 7.3 7.4
TL (Chung-Li) -4.6 -3.9 -2.7 -2.1 -1.7 -1.3 -0.6 0.4 1.9 2.0
TP (Praha) 1.9 2.1 1.0 5.5 2.4 -4.7 -7.9 0.4 11.2 11.2
UA (Kharkov) 0.1 -6.3 -13.1 -22.4 -10.8 -6.9 -1.3 1.5 9.1 9.3
UAE (Abu Dhabi) 11.7 21.5 15.5 6.3 5.7 20.4 20.2 4.0 8.7 9.6
UME (Gebze-Kocaeli) -63.7 -47.4 -28.4 -15.8 2.4 5.5 25.6 0.7 3.4 3.5
USNO (Washington DC) 0.0 -0.3 -0.8 -0.7 -1.0 -0.8 -1.1 0.3 1.4 1.5
VMI (Ha Noi) -6.4 -1.9 5.3 6.8 4.5 -0.6 -6.1 2.0 4.0 4.4
VSL (Delft) -4.8 -3.4 4.0 10.3 12.7 12.3 4.0 0.4 1.8 1.8
ZA (Pretoria) -3.1 -6.6 -4.9 -3.4 -4.5 -4.8 -3.4 0.4 3.2 3.2
- Notes on section 1:
(1) HKO : Time step of UTC(HKO) of +1000 ns on MJD 58539.08.
(2) LRTE : Apparent time step of UTC(LRTE) of -11.7 ns on MJD 58554.85.
(3) MASM : Time step of UTC(MASM) of -250 ns on MJD 58546.10.
(4) ONBA : Time step of UTC(ONBA) of -217 ns on MJD 58539.46.
(5) SL : Time step of UTC(SL) of -15.11 ns on MJD 58541.42.

2 - Difference between the normalized frequencies of EAL and TAI.
Interval of validity f(EAL)-f(TAI)
Steering correction 58539 - 58569 6.499x10-13 (2019 FEB 25 - 2019 MAR 27)
New correction 58569 - 58599 6.499x10-13 (2019 MAR 27 - 2019 APR 26)
New correction foreseen 58599 - 58634 6.497x10-13 (2019 APR 26 - 2019 MAY 31)

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 58539 58569 -22.91 8.00 8.00 0.00 0.13 11.31 PFS/NA T148 8. Y (1)
PTB-CS2 58539 58569 -10.68 5.00 12.00 0.00 0.13 13.00 PFS/NA T148 12. Y (1)
SYRTE-FO1 58539 58569 0.31 0.20 0.31 0.06 0.26 0.46 PFS/NA T301 0.37 Y (2)
SYRTE-FO2 58549 58569 0.94 0.30 0.22 0.06 0.38 0.53 PFS/NA T301 0.23 Y (2)
SYRTE-FOM 58539 58569 0.21 0.25 0.66 0.05 0.26 0.75 PFS/NA T372 0.70 Y (2)
SYRTE-FORb 58539 58569 0.63 0.20 0.25 0.05 0.26 0.42 0.6 [1] T328 0.34 Y (2)
PTB-CSF1 58554 58569 1.23 0.08 0.28 0.02 0.24 0.38 PFS/NA T371 0.28 Y (3)
PTB-CSF2 58539 58569 0.44 0.09 0.17 0.05 0.13 0.24 PFS/NA T370 0.17 Y (3)
SU-CsFO2 58539 58569 0.69 0.25 0.24 0.12 0.85 0.92 PFS/NA T315 0.50 Y (4)

Notes:
(1) Continuously operating as a clock participating to TAI
(2) Report 02 APR. 2019 by LNE-SYRTE
(3) Report 03 APR. 2019 by PTB
(4) Report 28 MAR. 2019 by SU
[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 MJD58179-58569, and corresponding uncertainties.

Period of estimation d u
58539-58569 0.52x10-15 0.16x10-15 (2019 FEB 25 - 2019 MAR 27)

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'= 0.8 ns, σ1'= 6.8 ns

2019 0h UTC MJD C0'/ns N0 C1'/ns N1'
FEB 25 58539 -1.4 90 10.5 82
FEB 26 58540 -3.1 89 10.3 80
FEB 27 58541 -1.0 89 10.9 87
FEB 28 58542 0.8 89 10.3 87
MAR 1 58543 -2.6 76 8.8 90
MAR 2 58544 -2.6 89 7.4 87
MAR 3 58545 -2.3 89 9.0 89
MAR 4 58546 -2.3 89 9.2 86
MAR 5 58547 -3.9 90 8.0 90
MAR 6 58548 -3.5 89 8.0 77
MAR 7 58549 0.0 63 9.2 87
MAR 8 58550 -2.8 89 10.0 85
MAR 9 58551 -3.0 90 10.2 90
MAR 10 58552 -2.4 89 10.3 86
MAR 11 58553 -2.6 89 9.4 88
MAR 12 58554 -3.4 89 9.7 86
MAR 13 58555 -3.6 90 11.3 86
MAR 14 58556 -2.6 89 10.7 88
MAR 15 58557 -2.8 89 9.1 83
MAR 16 58558 -4.4 89 8.7 89
MAR 17 58559 -4.4 90 8.6 89
MAR 18 58560 -3.6 89 8.2 86
MAR 19 58561 -3.6 89 9.3 80
MAR 20 58562 -2.7 89 9.8 78
MAR 21 58563 -2.1 90 8.1 71
MAR 22 58564 -3.0 63 8.9 78
MAR 23 58565 -5.6 89 10.9 85
MAR 24 58566 -5.2 89 9.7 88
MAR 25 58567 -2.7 90 8.5 89
MAR 26 58568 -2.6 89 9.7 86
MAR 27 58569 -4.8 89 10.1 80

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
AOS /PTB GPSPPP AO_4 /PT03 NA_Al / 1001-2016 0.3 4.0 3.2 -5.3 1808
APL /PTB GPSPPP AP02 /PT03 NA_Al / 1001-2016 0.3 11.2 10.0
AUS /PTB GPSPPP AU01 /PT03 1002-2010 / 1001-2016 0.3 6.4 4.0
BEV /PTB GPSPPP BE1_ /PT03 1012-2016 / 1001-2016 0.3 3.1 1.9
BIM /PTB NL
BIRM/PTB GPSPPP BI01 /PT03 1015-2016 / 1001-2016 0.4 3.0 1.7
BOM /PTB GPS MC MABM /PT10 2004-2014 / 1001-2016 1.5 8.3 4.4
BY /PTB GPS MC BY46 /PT10 NA / 1001-2016 1.5 12.2 10.0
CAO /PTB GPS MC CA__ /PT10 NC / 1001-2016 1.5 20.0
CNES/PTB GPSPPP CS21 /PT03 1101-2016 / 1001-2016 0.3 4.5 1.9
CNM /PTB GPS MC CN00 /PT10 NA_Al / 1001-2016 2.5 11.2 10.0 -27.3 0804
CNMP/PTB GPSPPP MP1_ /PT03 NA_Al / 1001-2016 0.5 7.3 2.2 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 3.2 2.0
DMDM/PTB GPSPPP ZM68 /PT03 1011-2016 / 1001-2016 0.3 3.1 1.9
DTAG/PTB GPSPPP DT05 /PT03 1015-2017 / 1001-2016 0.3 2.8 1.3
EIM /PTB GPS MC EI__ /PT10 1011-2007 / 1001-2016 3.0 11.2 10.0
ESTC/PTB GPSPPP ES04 /PT03 1019-2016 / 1001-2016 0.3 3.0 1.7
HKO /PTB GPSPPP HKO2 /PT03 2002-2012 / 1001-2016 0.3 7.8 3.4
ICE /PTB GPS MC CE1_ /PT10 NC / 1001-2016 5.0 20.0
IFAG/PTB GPSPPP IF19 /PT03 1016-2017 / 1001-2016 0.3 5.1 1.1
IGNA/PTB GPS MC IG02 /PT10 NC / 1001-2016 2.5 20.0
IMBH/PTB GPS P3 BH01 /PT03 2004-2016 / 1001-2016 0.7 7.2 1.7
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 /PT03 2002-2016 / 1001-2016 0.3 7.2 1.8
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
IPQ /PTB GPSPPP IP05 /PT03 NC / 1001-2016 0.4 20.0
JATC/PTB GPSPPP JA01 /PT03 1201-2018 / 1001-2016 0.3 2.5 0.4
JV /PTB GPSPPP JV02 /PT03 1101-2017 / 1001-2016 0.3 4.1 1.0
KEBS/PTB NL
KIM /PTB GPS MC KI02 /PT10 NC_Al / 1001-2016 2.0 20.0 -30.6 0901
KRIS/PTB GPSPPP KRG1 /PT03 1017-2017 / 1001-2016 0.3 3.0 1.7
KZ /PTB NL
LRTE/PTB GPSPPP LRRC /PT03 NC / 1001-2016 0.3 20.0
LT /PTB GPSPPP LT02 /PT03 1014-2018 / 1001-2016 0.3 2.5 0.4
LUX /PTB GPSPPP LU01 /PT03 1012-2018 / 1001-2016 0.3 2.6 0.9
MASM/PTB GPS P3 MN__ /PT03 NC / 1001-2016 0.7 20.0
MBM /PTB NL
MIKE/PTB GPSPPP MI04 /PT03 1102-2015 / 1001-2016 0.3 4.6 2.2
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 NL
NAO /PTB GPS MC NAT2 /PT10 NC / 1001-2016 2.0 20.0
NICT/PTB GPSPPP NC4S /PT03 1001-2018 / 1001-2016 0.3 1.6 0.5
NIM /PTB GPSPPP IM06 /PT03 1001-2018 / 1001-2016 0.3 1.6 0.4
NIMB/PTB GPSPPP MB02 /PT03 NA_Al / 1001-2016 0.4 7.4 2.4 32.2 1611
NIMT/PTB GPS MC MTTO /PT10 1013-2017 / 1001-2016 1.5 3.8 2.8
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 3.3 2.9
NMLS/PTB NL
NPLI/PTB GPSPPP LI2P /PT03 1013-2018 / 1001-2016 0.3 2.6 0.7
NRC /PTB GPSPPP NRC4 /PT03 1019-2017 / 1001-2016 0.3 2.8 1.2
NRL /PTB GPSPPP RL2_ /PT03 NC / 1001-2016 0.3 20.0
NTSC/PTB GPSPPP NTP1 /PT03 1001-2016 / 1001-2016 0.3 2.5 1.8
ONBA/PTB GPS MC ON__ /PT10 1002-2004 / 1001-2016 2.0 11.2 10.0
ONRJ/PTB GPS P3 RJ02 /PT03 NA / 1001-2016 6.5 20.0 3.7
ORB /PTB GPSPPP OR1Z /PT03 1018-2017 / 1001-2016 0.3 3.0 1.7
PL /PTB GPSPPP PL_3 /PT03 1014-2018 / 1001-2016 0.3 3.0 1.7
SASO/PTB GPSPPP SAS0 /PT03 1020-2017 / 1001-2016 0.4 3.0 1.7
SCL /PTB GPS P3 SC05 /PT10 NC / 1001-2016 1.0 20.0
SG /PTB GPSPPP SG01 /PT03 NA_Al / 1001-2016 0.3 6.6 4.2 -114.2 1802
SIQ /PTB GPSPPP SI01 /PT03 2002-2014 / 1001-2016 0.3 7.5 2.7
SL /PTB GPSPPP SL01 /PT03 NC / 1001-2016 0.3 20.0
SMD /PTB GPSPPP SD01 /PT03 1014-2017 / 1001-2016 0.3 3.0 1.7
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 8.3 6.6 -7.8 1411
TL /PTB GPSPPP TLT1 /PT03 1001-2018 / 1001-2016 0.3 1.6 0.6
TP /PTB GPSPPP TP04 /PT03 1002-2009 / 1001-2016 0.3 11.2 10.0
UA /PTB GPS MC UA04 /PT10 2003-2011 / 1001-2016 1.5 9.1 5.9
UAE /PTB GPS MC AE__ /PT10 2001-2016 / 1001-2016 4.0 8.6 4.9
UME /PTB GPS P3 UM01 /PT03 1011-2016 / 1001-2016 0.7 3.2 2.0
VMI /PTB GPS MC VM__ /PT10 1013-2017 / 1001-2016 2.0 3.8 2.8
ZA /PTB GPSPPP ZA02 /PT03 1018-2018 / 1001-2016 0.3 3.0 1.7
Link Type Equipment Cal_ID uStb/ns uCal/ns uAg/ns Al/ns YYMM
CH /PTB TWGPPP CH01 /PTB05 0284-2012 0.3 1.9 1.6
IT /PTB TWGPPP IT02 /PTB05 0434-2016 0.3 1.3 0.8
NIST/PTB TWGPPP NIST01/PTB05 0393-2015 0.3 1.9 1.1
NPL /PTB TWGPPP NPL02 /PTB05 NA_Al 0.5 3.2 0.0 0.0 1902
OP /PTB TWGPPP OP01 /PTB05 0437-2016 0.3 1.3 0.8
ROA /PTB TWGPPP ROA01 /PTB05 0440-2016 0.3 1.6 0.8
SP /PTB TWGPPP SP01 /PTB05 0441-2016 0.3 1.3 0.8
USNO/PTB TWGPPP USNO01/PTB05 0395-2016 0.3 1.2 0.7
VSL /PTB TWGPPP VSL01 /PTB05 0295-2015 0.3 1.4 0.9