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Data Usage Guidance/Restrictions
Access restrictions on the Operational Geophysical Data Records were lifted on 15 December, 2008.
Restrictions on the Interim Geophysical Data Records were lifted on 15 January, 2009. Restrictions on the
Geophysical Data Records will be lifted after the June 2009 Ocean Surface Topography Science Team
meeting, which serves as the final Jason-2/OSTM product verification workshop.
All members of the Ancillary data family (J2-ANC), Orbital Information family (J2-ORBINFO), and Quality
Assurance reports family (J2-QA) were made unrestricted on 15 December, 2008.
Filetypes in the Auxiliary data family (J2-AUX), which are produced by the European Centre for Medium-Range Weather Forecasts (ECMWF), are restricted by ECMWF to the Jason-2 project team. All telemetry data (J2-TEL) are restricted to the project team, per the mission's 4-partner Memorandum of Understanding. For these restricted data families, users will only see listed those datatypes upon which they can search.
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Dataset Name
| XDF_ORBIT_REV_FILE |
JA2_ORF_AXXCNEyyyymmdd_hhnnss_yyyymmdd_hhnnss_yyyymmdd_hhnnss |
| XDF_PPF_MOE |
JA2_PPF_AXVCNEyyyymmdd_hhnnss_yyyymmdd_hhnnss_yyyynndd_hhnnss |
| XDF_PPF_POE |
JA2_VPF_AXVCNEyyyymmdd_hhnnss_yyyymmdd_hhnnss_yyyymmdd_hhnnss |
| XDF_DORIS_USO_DRIFT |
JA2_OSx_AXXCNEyyyymmdd_hhnnss_yyyymmdd_hhnnss_yyyymmdd_hhnnss |
| XDF_AMR_BT_AVG_COEF |
AJ2_AVE_AXVCNEyyyymmdd_hhnnss_yyyymmdd_hhnnss_yyyymmdd_hhnnss |
XDF_AMR_MAIN_BEAM_BT_COEF
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AJ2_MBE_AXVCNEyyyymmdd_hhnnss_yyyymmdd_hhnnss_yyyymmdd_hhnnss |
| XDF_CHAR_P3 |
PJ2_CHx_AXVCNEyyyymmdd_hhnnss_yyyymmdd_hhnnss_yyyymmdd_hhnnss |
| XDF_LTM |
PJ2_CAx_AXXCNEyyyymmdd_hhnnss_yyyymmdd_hhnnss_yyyymmdd_hhnnss |
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Datatype
J2AVE
J2CA1
J2CA2
J2CH1
J2CH2
J2MBE
J2ORF
J2OS1
J2OS2
J2PPF
J2VPF
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End Time
The UTC date and time corresponding to the end of the coverage of the given dataset.
Format is yyyy-mm-dd hh:mm:ss.fff where fff is the fraction of a second in milliseconds.
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Inventory ID
A unique numerical ID assigned to the data set for CLASS inventory purposes.
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Satellite
The satellite that acquired the data.
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Start Time
The UTC date and time corresponding to the beginning of the coverage of the given dataset.
Format is yyyy-mm-dd hh:mm:ss.fff where fff is the fraction of a second in milliseconds.
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Temporal
Refers to the time span of interest to the user. This section of the search page allows the user to define
the range of dates/times of interest.
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UTC
Coordinated Universal Time (UTC) is the international time standard. It is the current term for what was referred to as Greenwich Meridian Time (GMT). Zero (0) hours UTC is midnight in Greenwich England, which lies on the zero longitudinal meridian. Universal time is based on a 24 hour clock, therefore, afternoon hours such as 4 pm UTC are expressed as 16:00 UTC (sixteen hours, zero minutes).
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