CCSD3ZF0000100000001NJPL3IF0PDSX00000001 PDS_VERSION_ID = PDS3 OBJECT = COLUMN NAME = SFDU_AGGREGATE_HEADER START_BYTE = 1 DATA_TYPE = CHARACTER BYTES = 20 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_SFDU USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "'NJPL1I00000500000052', the number '0005' is registered with the NJPL SFDU authority as the 'Altimetry Inversion Header Record'." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ORBIT_NUMBER START_BYTE = 21 DATA_TYPE = MSB_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_ORB USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The Magellan orbit number for the data represented in these data records." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ORBIT_VERSION START_BYTE = 25 DATA_TYPE = MSB_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_VER USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The version of the altimetry data file used for these results. Obtained from the VERSION_ID keyword of the corresponding ALT-EDR Orbit Header File (Note: This turns out not to be a good indicator of the version of the data file; the Orbit Header File itself is rarely updated)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALTINV_MAJOR_VERSION_NUMBER START_BYTE = 29 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_ALTINV_MAJOR USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The major software version number of the Stanford program ALTINV used to obtain the scattering function solution." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALTINV_MINOR_VERSION_NUMBER START_BYTE = 31 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_ALTINV_MINOR USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The minor software version number of the Stanford program ALTINV used to obtain the scattering function solution." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALT_MAJOR_VERSION_NUMBER START_BYTE = 33 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_ALT_MAJOR USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The major software version number of the Stanford program ALT used to compute the range-Doppler array from the raw altimetry data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALT_MINOR_VERSION_NUMBER START_BYTE = 35 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_ALT_MINOR USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The minor software version number of the Stanford program ALT used to compute the range-Doppler array from the raw altimetry data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COVARIANCE_MATRIX_FLAG START_BYTE = 37 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_CVMF USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "If set (1) the upper triangular portion (in row-major order) of the covariance matrix is saved in COVARIANCE_MATRIX; if not set (0), only the diagonal is saved." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INVERSION_METHOD_ID START_BYTE = 38 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_METH_INV USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The code number for the specific method of overdetermined least squares used to compute the inversions (see Section 5.4.1 of the SCVDR SIS)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = VARIANCE_ESTIMATION_METHOD_ID START_BYTE = 39 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_METH_SIG USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The code number for the method used to estimate the statistical uncertainty in the input data. The resulting variance is used in a weighted least squares fit and propagated to form an estimate of the inverted uncertainty in the solution." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CONSTRAINT_VARIANCE_METHOD_ID START_BYTE = 40 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_METH_GAMSIG USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The code number for the method used to assign weight to the smoothing constraint that controls the shape of the inversion. Determines the scale of smoothing parameter SMOOTHING_FACTOR (see Section 5.4.1 of the SCVDR SIS)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = THERMAL_NOISE_METHOD_ID START_BYTE = 41 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_METH_THERMAL USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The code number for the method used to account for the effects of thermal noise on the observations." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NON_DELTA_SPECTRAL_FILTER_FLAG START_BYTE = 42 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_SPECF USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "If set (1), the Doppler spectrum has been convolved with an FIR filter before the inversion process. The nominal filter is [0.25 0.50 0.25] but is not saved in the SCVDR. If not set (0), no filter has been used (preferred)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DOPPLER_ROTATION_METHOD_ID START_BYTE = 43 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_METH_FROT USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The code number for the method used to account for unexpected Doppler shifts in the observed echo spectrum (see Section 5.4.1 of the SCVDR SIS)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 44 BYTES = 1 END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_DATA_RECORDS START_BYTE = 45 DATA_TYPE = MSB_INTEGER BYTES = 4 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_NREC USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The number of altimetry inversion records that follow this header." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RANGE_ECHO_PROCESSING_ID START_BYTE = 49 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_METH_ECHO USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The code number for the method used to process the range echo before the inversion (see Section 5.4.1 of the SCVDR SIS)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MAXIMUM_ANGLE_METHOD_ID START_BYTE = 50 DATA_TYPE = UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_METH_BMAX USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The code number for the method used to determine the maximum solution angle in the inversion (see Section 5.4.1 of the SCVDR SIS)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PULSE_COMPRESSION_ID START_BYTE = 51 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_HID USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The code number for the correlation kernel used in the radar pulse compression stage, before the range-Doppler array is computed (see Section 5.4.1 of the SCVDR SIS)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMP_MAJOR_VERSION_ID START_BYTE = 53 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_COMP_MAJOR USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The major version number of the Stanford calibration software COMP used to compensate the input data for amplitude and timing effects." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMP_MINOR_VERSION_ID START_BYTE = 55 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_COMP_MINOR USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The minor version number of the Stanford calibration software COMP used to compensate the input data for amplitude and timing effects." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MAX_NUMBER_OF_SOLUTION_ANGLES START_BYTE = 57 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_MAXB USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The largest number of elements that will appear in any scattering function (SCATTERING_FUNCTION) in this orbit, equal to the largest value of NUMBER_OF_ANGLES_IN_SOLUTION. The maximum size in bytes is thus 4 * MAX_NUMBER_OF_SOLUTION_ANGLES." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MAX_NUMBER_OF_ELEMENTS_IN_CVM START_BYTE = 59 DATA_TYPE = MSB_INTEGER BYTES = 2 UNIT = 'N/A' OBJECT = ALIAS ALIAS_NAME = NH_MAXN USAGE_NOTE = 'MAGELLAN STANFORD SCVDR SIS' END_OBJECT = ALIAS DESCRIPTION = "The largest number of elements that will appear in any covariance matrix (COVARIANCE_MATRIX) in this orbit, equal to the largest value of NUMBER_OF_ELEMENTS_SAVED_IN_CVM. The maximum size in bytes is thus 4 * MAX_NUMBER_OF_ELEMENTS_IN_CVM." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPARE START_BYTE = 61 BYTES = 12 END_OBJECT = COLUMN END