id | field name | definition |
0 | mdsr_time |
binary time | size: 12 |
Data record time (MDSR time stamp)
unit: "s since 2000-01-01"
value: float(./days) * 86400 + float(./seconds) + float(./microseconds) / 1000000
binary record | size: 12 |
ENVISAT binary datetime
id | field name | definition |
0 | days |
binary int32 | size: 4 |
days since January 1st, 2000 (may be negative)
unit: "days since 2000-01-01"
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1 | seconds |
binary uint32 | size: 4 |
seconds since start of day
unit: "s"
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2 | microseconds |
binary uint32 | size: 4 |
microseconds since start of second
unit: "1e-6 s"
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1 | uso_corr |
binary int32 (double) | size: 4 |
USO correction factor
converted unit: "" (multiply by 1/1000000000000000)
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2 | mode_id |
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3 | src_seq_count |
binary uint16 | size: 2 |
Source sequence counter
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4 | instr_conf_flags |
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5 | burst_count |
binary uint32 | size: 4 |
Burst counter (always starts from 1 and incremented at group rate)
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6 | lat |
binary int32 (double) | size: 4 |
Latitude of measurement
unit: "1e-7 degrees_north"
converted unit: "degrees_north" (multiply by 1/10000000)
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7 | lon |
binary int32 (double) | size: 4 |
Longitude of measurement
unit: "1e-7 degrees_east"
converted unit: "degrees_east" (multiply by 1/10000000)
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8 | alt_cog_ref_ellip |
binary int32 | size: 4 |
Altitude of CoG above reference ellipsoid (interpolated value)
unit: "mm"
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9 | inst_alt_rate |
binary int32 | size: 4 |
Instantaneous altitude rate derived from orbit
unit: "mm/s"
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10 | sat_vel_vec |
binary array[3] | size: 12 |
Satellite velocity vector[3] described in the international terrestial reference frame in the international earth fixed system. Note that this is not a unit vector, because the velocity magnitude is needed as well.
binary int32 | size: 4 |
Velocity vector component
unit: "mm/s"
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11 | beam_dir_vec |
binary array[3] | size: 12 |
Real beam direction vector[3] described in the CRYOSAT reference frame
binary int32 (double) | size: 4 |
Beam direction vector component
unit: "1e-6 m"
converted unit: "m" (multiply by 1/1000000)
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12 | ifm_basel_vec |
binary array[3] | size: 12 |
Interferometer baseline vector[3] described in the CRYOSAT reference frame
binary int32 (double) | size: 4 |
Baseline vector component
unit: "1e-6 m"
converted unit: "m" (multiply by 1/1000000)
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13 | meas_conf_flags |
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