Beam ModeThe beam mode that was used to acquire/process this dataset. The valid beam modes are:
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Beam PositionThe beam mode position used to acquire this dataset. The characters used for valid beam positions are: 1 through 7, A and B. |
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Beam Mode - PositionA combination of beam mode and position used when acquiring the data for this dataset. The valid beam mode position values are:
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CalibrationIndicates if the data in the given dataset was calibrated. The valid values are:
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Data Usage Guidance/RestrictionsThis Datatype is currently restricted to authorized users. For guidance on how to become an authorized user, send a request to the CLASS Help Desk. |
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Dataset NameThe name of the SAR dataset archived at CLASS. The name has the following format: Post-Processing-Center.Spacecraft-Unique-ID.Processing-Site-Code.Year-Day.Start-Time.Location- 1.Location-2.Unique-Qualifier with each qualifier defined below:
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Dataset SizeThe size in kilobytes of the file to be delivered to the user. |
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End Date/TimeThe 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 IDA unique numerical ID assigned to the data set for CLASS inventory purposes. |
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NodeThe ascending node refers to that portion of the orbit during which the satellite is heading northward. Descending refers to the southbound portion. |
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Orbit NumberThe number of the orbit (revolution) in which the satellite was traveling when the data was acquired. |
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P1 LatitudeLatitude of the lower left corner |
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P1 LongitudeLongitude of the lower left corner |
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P2 LatitudeLatitude of the upper left corner |
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P2 LongitudeLongitude of the upper left corner |
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P3 LatitudeLatitude of the upper right corner |
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P3 LatitudeLongitude of the upper right corner |
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P4 LatitudeLatitude of the lower right corner |
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P4 LongitudeLongitude of the lower right corner |
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Pixel SpacingThe pixel spacing for the dataset. Possible values are:
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Processing SiteThe site where the data was processed. The valid processing sites for SAR data are:
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Product TypeThe valid product types for SAR data are:
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SatelliteThe valid satellites for SAR data are:
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SpatialRefers to the geographic area of interest to the user. This section of the search page allows the user to define the geographic area of interest. |
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Start Date/TimeThe 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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TemporalRefers 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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UTCCoordinated 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). |