File Descriptor Record
TABLE 2.1 VOLUME DESCRIPTOR RECORD
FIELD BYTES FORMAT DESCRIPTION CONTENT
1 1-4 B4 Record sequence number (1)
2 5 Bl 1-st record subtype code (192)
3 6 Bl Record type code (192)
4 7 Bl 2-nd subtype code (18)
5 8 Bl 3-rd subtype code (18)
6 9-12 B4 Length of this record (360)
7 13-14 A2 ASCII/EBCDIC flag A$
8 15-16 A2 blanks $$
9 17-28 A12 format control document CCB-CCT-0002
10 29-30 A2 Superstructure format control document A$
11 31-32 A2 Superstructure record format revision A$
12 33-44 A12 Logical volume generating facility software release <.....>
and revision level
13 45-60 A16 ID of physical volume containing this volume descriptor <.....>
14 61-76 A16 Logical volume identifier <.....>
( center frame latitude and longitude , deg/1000)
15 77-92 A16 Volume set identifier ( product generation date) <.....>
(YYYYMMDDhhmmssdd, dd=deci-secs)
16 93-94 I2 Total number of physical volumes in the logical vo1ume $1
17 95-96 I2 Physical volume sequence number of the first tape within the $1
logical volume
18 97-98 I2 Physical volume sequence number of the last tape within the $1
logical vo1ume
19 99-100 I2 Physical volume sequence number of the current tape within $1
the logical vo1ume
20 101-101 I4 First referenced file number in this physical volume $$$1
whithin the logical volume.
21 105-108 I4 Logical volume within a volume set $$$1
22 109-112 I4 Logical volume number within physical volume $$$1
23 113-120 A8 Logical volume creation date (YYYYMMDD) <.....>
24 121-128 A8 Logical volume creation time (hhmmssdd, dd=deci-seconds) <.....>
25 129-140 A12 Logical volume generation country <.....>
26 141-148 A8 Logical volume generating agency ESA$$$$$
27 149-160 A12 Logical volume generating facility <.....>
28 161-164 I4 Number of file pointer records in volume directory $$$2
29 165-168 I4 Number of records in volume directory $$$4
30 169-260 A92 Volume descriptor spare segment (always blank filled) <$...$>
31 261-360 AlOO Local use segment <$...$>.
Leader File Pointer Record
TABLE 2.2 LEADER FILE POINTER RECORD
FIELD BYTES FORMAT DESCRIPTION CONTENT
1 1-4 B4 Record number (2)
2 5 Bl 1-st record subtype code (219)
3 6 Bl record type code (192)
4 7 Bl 2-nd subtype code (18)
5 8 Bl 3-rd subtype code (18)
6 9-12 B4 Length of this record (360)
7 13-14 A2 ASCII/EBCDIC flag for referenced file A$
8 15-16 A2 blank $$
9 17-20 I4 Referenced file number $$$1
10 21-36 A16 Referenced file name ERS1.SAR.FDCLEAD
11 37-64 A28 Referenced file class SARLEADER$FILE$$$$$$
12 65-68 A4 Referenced file class code SARL
13 69-96 A28 Referenced file data type MIXED$BINARY$AND$ASC
14 97-100 A4 Referenced file data type code MBAA
15 101-108 I8 Number of records in referenced file <.....>
16 109-116 I8 Referenced file 1-st record length <.....>
17 117-124 I8 Referenced file maximum record length <.....>
18 125-136 A12 Referenced file record length type VARIABLE$LEN
19 137-140 A4 Referenced file record length type code VARE
20 141-142 I2 Referenced file physical volume start number <.....>
21 143-144 I2 Referenced file physical volume end number <.....>
22 145-152 I8 Referenced file portion start, 1-st record number <.....>
for this physical volume
23 153-160 I8 Referenced file portion end, last record number <.....>
for this physical volume
24 161-260 AlOO File pointer spare segment <$...$>.
25 261-360 AlOO Local use segment <$...$>
Data File Pointer Record
TABLE 2.3 DATA FILE POINTER RECORD
FIELD BYTES FORMAT DESCRIPTION CONTENT
1 1-4 B4 Record number (3)
2 5 Bl 1-st record subtype code (219)
3 6 Bl record type code (192)
4 7 Bl 2-nd subtype code (18)
5 8 Bl 3-rd subtype code (18)
6 9-12 B4 Length of this record (360)
7 13-14 A2 ASCII/EBCDIC flag for referenced file A$
8 15-16 A2 blank $$
9 17-20 I4 Referenced file number $$$2
10 21-36 A16 Referenced file name ERS1.SAR.FDCIMGY
11 37-64 A28 Referenced file class IMAGERY$0PTI0NS$FILE
12 65-68 A4 Referenced file class code IMOP
13 69-96 A28 Referenced file data type MIXED$BINARY$AND$ASC
14 97-100 A4 Referenced file data type code MBAA
15 101-108 I8 Number of records in referenced file <.....>
16 109-116 I8 Referenced file 1-st record length <.....>
17 117-124 I8 Referenced file maximum record length <.....>
18 125-136 A12 Referenced file record length type FIXED$LENGTH
19 137-140 A4 Referenced file record length type code FIXD
20 141-142 I2 Referenced file physical volume start number $1
21 143-144 I2 Referenced file physical volume end number $1
22 145-152 I8 Referenced file portion start, 1-st record number $$$$$$$1
for this physical volume
23 153-160 I8 Referenced file portion end, last record number <.....>
for this physical volume
24 161-260 AlOO File pointer spare segment <$...$>.
25 261-360 AlOO Local use segment <$...$>
Text Record
TABLE 2.3 TEXT RECORD
FIELD BYTES FORMAT DESCRIPTION CONTENT
1 1-4 B4 Record number (4)
2 5 Bl 1-st record sub-type code (18)
3 6 Bl Record type code (63)
4 7 Bl 2-nd record sub-type code (18)
5 8 Bl 3-rd record sub-type code (18)
6 9-12 B4 Length of this record
7 13-14 A2 ASCII/EBCDIC flag A$
8 15-16 A2 Continuation flag $$
9 17-56 A40 Product type specifier <.....>
10 57-116 A60 Location and date/time of product creation <.....>
11 117-156 A40 Physical volumes identification <.....>
12 157-196 A40 Scene identification <.....>
13 197-236 A40 Scene location <.....>
14 237-256 A20 spares <$...$>
15 257-360 A104 spares <$...$>.