Magnetic media
Computer tapes: Nine track with a density of 1 600 or 6 250 BPI and EBCDIC or ASCII coding, preferably unlabelled. If labelled, an end-of-file code should be included.
Floppy discs: MS-DOS-formatted 3,5 ″ 720 K or 1,4 Mbyte discs or 5,25 ″ 360 K or 1,2 Mbyte discs.
Record format
Byte Nos | Item | Remarks |
1 to 4 | Country (ISO 3-alpha code) | e.g. FRA = France |
5 to 6 | Year | e.g. 90 = 1990 |
7 to 8 | FAO major fishing area | 27 = North-east Atlantic |
9 to 15 | Division | e.g. IV a = ICES division IV a |
16 to 18 | Species | 3-alpha identifier |
19 to 26 | Catch | Metric tonnes |
Notes:
All numeric fields should be right justified with leading blanks. All alphanumeric fields should be left justified with trailing blanks.
The catch is to be recorded in the live weight equivalent of the landings to the nearest metric tonne.
Quantities (bytes 19 to 26) of less than half a unit should be recorded as ‘- 1’.
Unknown quantities (bytes 19 to 26) should be recorded as ‘- 2’.