CCSD3ZF0000100000001NJPL3IF0PDSX00000001 PDS_VERSION_ID = PDS3 OBJECT = COLUMN NAME = NJPL_LABEL START_BYTE = 1 DATA_TYPE = CHARACTER BYTES = 20 UNIT = 'N/A' DESCRIPTION = "An NJPL logical record label. The first 12 bytes contain the registered SFDU identifier 'NJPL1I000111', indicating that this is a Magellan C-BIDR imaging record. Bytes 13-20 contain the number of bytes in the remainder of this logical record, starting with the 21st byte, coded as an ASCII integer with leading zeroes, e.g. '00001234'. The value varies from record to record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SECONDARY_LABEL_TYPE START_BYTE = 21 DATA_TYPE = LSB_INTEGER BYTES = 2 UNIT = 'N/A' DESCRIPTION = "Indicates the type of record. Its value is always '2' for image data records." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SECONDARY_LABEL_LENGTH START_BYTE = 23 DATA_TYPE = LSB_INTEGER BYTES = 2 UNIT = 'N/A' DESCRIPTION = "Number of bytes in the secondary header of this record. Its value is always '68' for image data records." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ORBIT_NUMBER START_BYTE = 25 DATA_TYPE = LSB_INTEGER BYTES = 2 UNIT = 'N/A' DESCRIPTION = "The orbit during which the data used to create this record was collected. For test C-BIDRs, this field will contain the test number 999." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_CLASS START_BYTE = 27 DATA_TYPE = LSB_UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' DESCRIPTION = "An indication of the type of data in this logical record. The value is '2' for image data, sinusoidal projection, multi-look, and '66' for image data, oblique sinusoidal projection, multi-look." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ANNOTATION_LABEL_LENGTH START_BYTE = 28 DATA_TYPE = LSB_UNSIGNED_INTEGER BYTES = 1 UNIT = 'N/A' DESCRIPTION = "The number of bytes in the data annotation label of this record, starting with the third byte. The value is always '64' for image data records." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_IMAGE_LINES START_BYTE = 29 DATA_TYPE = LSB_UNSIGNED_INTEGER BYTES = 2 UNIT = 'N/A' DESCRIPTION = "The number of image lines in the record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NUMBER_OF_BYTES_PER_LINE START_BYTE = 31 DATA_TYPE = LSB_UNSIGNED_INTEGER BYTES = 2 UNIT = 'N/A' DESCRIPTION = "The number of bytes in each image line in data portion of record, including the offset to the first valid pixel, the pointer to the last valid pixel, and all of the data pixels, in bytes." END_OBJECT = COLUMN OBJECT = COLUMN NAME = REFERENCE_ORIGIN_LATITUDE START_BYTE = 33 DATA_TYPE = VAX_REAL BYTES = 4 UNIT = DEGREES DESCRIPTION = "The latitude (in degrees N) of the origin of the projection system used. For sinusoidal data, this is always 0 degrees. For oblique sinusoidal data, this is the latitude of the origin of the oblique sinusoidal system, and will vary with each orbit." END_OBJECT = COLUMN OBJECT = COLUMN NAME = REFERENCE_ORIGIN_LONGITUDE START_BYTE = 37 DATA_TYPE = VAX_REAL BYTES = 4 UNIT = DEGREES DESCRIPTION = "The longitude (in degrees E from 0 to 360) of the origin of the projection system used. For sinusoidal data, this is the longitude at which the sub-satellite point intersects the planet equator, adjusted to the nearest multiple of 225 meters with respect to a pixel centered at 0 degrees longitude. For oblique sinusoidal data, this is the longitude of the origin of the oblique sinusoidal system, and will vary with each orbit." END_OBJECT = COLUMN OBJECT = COLUMN NAME = REFERENCE_LATITUDE START_BYTE = 41 DATA_TYPE = VAX_REAL BYTES = 4 UNIT = DEGREES DESCRIPTION = "The latitude (in degrees N) corresponding to the center of the first pixel in the first image line of the record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = REFERENCE_LONGITUDE START_BYTE = 45 DATA_TYPE = VAX_REAL BYTES = 4 UNIT = DEGREES DESCRIPTION = "The longitude (in degrees E from 0 to 360) corresponding to the center of the first pixel in the first image line of the record." END_OBJECT = COLUMN OBJECT = COLUMN NAME = REFERENCE_OFFSET_LINES START_BYTE = 49 DATA_TYPE = LSB_INTEGER BYTES = 4 UNIT = 'N/A' DESCRIPTION = "The Coordinate-1 value of the reference point. For the sinusoidal projection, this is the number of 225-meter lines from the projection origin latitude to the first image line in this record; for oblique sinusoidal projection, the number of 225-meter lines from the great circle passing through the oblique sinusoidal origin and the pole to the first image line. See [LEUNG1993] for a definition of the coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = REFERENCE_OFFSET_SAMPLES START_BYTE = 53 DATA_TYPE = LSB_INTEGER BYTES = 4 UNIT = 'N/A' DESCRIPTION = "The Coordinate-2 value of the reference point. For the sinusoidal projection, this is the number of 225-meter pixels from the projection origin longitude to the first pixel of the first image line in this record; for oblique sinusoidal projection, the number of 225-meter pixels from the nadir track to the first pixel of the first image line. See [LEUNG1993] for a definition of the coordinate system." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BURST_COUNTER START_BYTE = 57 DATA_TYPE = LSB_UNSIGNED_INTEGER BYTES = 4 UNIT = 'N/A' DESCRIPTION = "The burst count of the burst associated with this image record. Note that the burst count depends on the number of bursts on the EDR, and is not absolute. If an EDR is regenerated, its BIDR burst numbering may differ from that used in the original BIDR." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NAV_UNIQUE_ID START_BYTE = 61 DATA_TYPE = CHARACTER BYTES = 32 UNIT = 'N/A' DESCRIPTION = "A string copied from the Catalog and History Data portion of the Spacecraft Ephemeris file SFDU. A 32-byte ASCII character string used to identify the NAV solution used to produce the Ephemeris file on the EDR." END_OBJECT = COLUMN END