L1B Product Data Dictionary - ICESat - NASA
L1B Product Data Dictionary - ICESat - NASA
L1B Product Data Dictionary - ICESat - NASA
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Label <strong>Data</strong>type Rank long_name standard_name units hertz description source coordinates<br />
delta_time DOUBLE 1 delta_time time seconds 5000 Elapsed<br />
seconds since<br />
first data point<br />
in granule<br />
i_shot_num INTEGER 1 shot_number counter count 5000 Shot Number,<br />
copied from the<br />
L1A shottag<br />
packet.<br />
calibrated_range_m REAL 1 calibrated_range_m range meters 5000 Range,<br />
corrected for<br />
oscillator and<br />
fiber path<br />
length.<br />
Derived<br />
(gps_secondsgps_second_offset)<br />
L1A Shottag packet<br />
Derived (L1A range *<br />
osc_corr) -<br />
fiber_path_length<br />
time<br />
time<br />
time<br />
Group: /novatel_ins<br />
This group contains data from L1A INS files. The L1A INS is created using NOVATEL software and delivered as an L1A file. Note that this group<br />
has a extra second of data at the beginning and end of the granule to insure good interpolation data for L2A gelocoaton. There is one instance of<br />
this group within the granule.<br />
Group: /novatel_ins/time<br />
This group contains time related parameters from L1A INS files. These parameters indicate the time of each corresponding INS parameter. There<br />
is one instance of this group within the novatel_ins group.<br />
Label <strong>Data</strong>type Rank long_name standard_name units hertz description source coordinates<br />
delta_time DOUBLE 1 elapsed time time seconds 100 Elapsed seconds<br />
since first TOF data<br />
point in granule<br />
Derived (gps_secondsmetadata.gps_sec_offset)<br />
latitude<br />
longitude time<br />
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