| Keyword |
Content Description |
| Additional_Attribute |
Product-specific additional attributes |
| AutomaticQualityFlagExplan |
Automatic Quality flag explanation (per parameter) |
| Cycle |
A count of the number of exact repeats of this reference orbit |
| EquatorCrossingDate |
Date of the equator crossing |
| EquatorCrossingLong |
Longitude of equator crossing |
| EquatorCrossingTime |
Time of the equator crossing |
| InputPointer |
Name of each input product file used to created this prod-uct (one instances of this keyword appears in the product header record for each input product file used in creation of this product) |
| Instance |
The number of times that a specific reference orbit has been returned to during flight |
| instrument_short_name |
Short name of instrument (GLAS) |
| Instrument_State |
Flag word that indicates which redundant units (laser, detector, oscillator) of the GLAS instrument are in operation |
| Instrument_State_Date |
The date that corresponds to the Instrument_State. There are a maximum of two per granule. |
| Instrument_State_Time |
The time that corresponds to the Instrument_State. There are a maximum of two per granule. |
| LocalGranuleID |
File name of the granule |
| LocalVersionID |
Granule version number (auto-incrementing, nn in filenaming convention |
| Numhead |
Number of header records preceding product data records |
| OperationalQualityFlagExpl |
Operational Quality flag explanation (per parameter) |
| Orbit Number |
Orbit number |
| OrbitQuality |
Status word that states what type of orbit was used during processing of the data for the granule. It specifies the models used in the orbit determination program. This provides an indication of the quality of the orbits being applied to the data. |
| ParameterName |
Name of product-specific parameters for which additional information follows |
| PercentFullRate |
Percent of data for this granule that atmospheric parameters are provided at 40 Hz data rate |
| PercentGroundHit |
Percent of data for this granule that had a detected ground return of the transmitted laser pulse |
| PercentHighRate |
Percent of data for this granule that atmospheric parameters are provided at 5 Hz data rate |
| PercentLowRate |
Percent of data for this granule that atmospheric parameters are provided at 0.25 Hz data rate |
| PercentMediumRate |
Percent of data for this granule that atmospheric parameters are provided at 1 Hz data rate |
| Percent1064to532 |
Percent atmospheric profiles that use the 1064 nm profile data to provide estimated values for the saturated 532nm profiles |
| PGEVersion |
Version number of the GSAS software that generated this granule |
| platform_short_name |
Short name of spacecraft (Icesat) |
| ProductionDateTime |
Creation time of granule |
| QAPercentMissingData |
Percent of missing data (per parameter) |
| QAPercentOutofBounds |
Percent of out-of-bounds data (per parameter) |
| RangeBeginningDate |
Start date of data on the granule |
| RangeEndingDate |
End data of data on the granule |
| RangeBeginningTime |
Start time of day for data on this granule |
| Range_Bias |
The additive calibration correction in millimeters to apply to range based on the science team cal/val activities |
| Range_Bias_Date |
The date that corresponds to the first valid Range_Bias. There are a maximum of two per granule. |
| Range_Bias_Time |
The time that corresponds to the first valid Range_Bias. There are a maximum of two per granule. |
| RangeEndingTime |
End time of day for data on this granule |
| Recl |
Record length in bytes |
| ReferenceOrbit |
Assigned number for which exact orbital elements describe the exact repeat orbit pattern |
| ReprocessingPlanned |
Planned reprocessing status |
| ReprocessingActual |
Actual reprocessing status |
| sensor_short_name |
Short name of sensor (LaserALT) |
| ScienceQualityFlagExplana |
Science Quality flag explanation (per parameter) |
| ShortName |
GSAS Filetype |
| size_mb_ecs_data_granule |
Size (in MB) of the granule |
| SP_ICE_GLAS_EndBlock |
Integer SPICE block number within GLAS coverage scheme in which granule data ends |
| SP_ICE_PATH_NO |
Number which represents the GLAS SPICE path number |
| SP_ICE_GLAS_StartBlock |
Integer SPICE block number within GLAS coverage scheme in which granule data starts |
| time_between_contiguous_records |
Time between contiguous data records (in seconds) |
| Timing_Bias |
The time tag error determined by the calibration team that was added to the time tags to compute the true time of data as provided on the granule |
| Timing_Bias_Date |
The date that corresponds to the Timing_Bias. There are a maximum of two per granule. |
| Timing_Bias_Time |
The time of day that corresponds to the Timing_Bias. There are a maximum of two per granule. |
| Timing_Drift |
This is the ratio of the true time for a one second oscillator tick to nominal one |
| Timing_Drift_Date |
The date that corresponds to the Timing_Drift. There are a maximum of two per granule. |
| Timing_Drift_Time |
The time of day that corresponds to the Timing_Drift. There are a maximum of two per granule. |
| Track |
The unique number assigned for each repeat ground track (one orbit) of the reference orbit |
| Track_Segment |
Number assigned for the specific latitude segment (1 = +50 to +50, 2 = +50 to -50, 3 = -50 to -50, 4 = -50 to +50) of the track for the data |
| VersionID |
The ESDT version number that is to be used with this product |
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