TEMPORAL COVERAGE OF TYPE “satellite 1” IN THE UCSB SPOT CATALOG

There are 793,069 items of type “satellite 1” in the UCSB SPOT Catalog as of January 10, 2009.

The temporal coverage of the items is graphically shown by the histogram below. Each red spike represents a month; each green/yellow bar, a year. The height of a spike or bar reflects the number of items that overlap that time period.

(graphical display)

The following table shows the temporal coverage numerically. The cells in the “Overall” column represent years; the cells to the right of a year represent individual months within that year. The value in a cell is the number of items that overlap the year or month represented by that cell.

Overall Month in year
1 2 3 4 5 6 7 8 9 10 11 12
Year 1986 135590 0 0 2470 7969 15416 21063 19685 21007 14911 13843 10267 8959
1987 128594 9818 8981 9915 12558 11555 13038 14574 9489 13272 14644 5971 4779
1988 161973 4383 5331 10682 16436 19169 20108 20850 20248 17469 16416 5457 5424
1989 159482 6895 6104 11602 16346 16796 17795 19499 16947 18366 17444 5710 5978
1990 92340 5573 6152 13108 15778 13396 10937 5936 6889 4782 4435 2745 2609
1991 787 14 48 150 0 0 557 0 0 0 0 0 18
1992 53980 0 224 856 5136 8085 7326 8571 8973 8154 6249 406 0
1993 60299 62 141 1004 11708 14014 16140 17230 0 0 0 0 0
1994 0 0 0 0 0 0 0 0 0 0 0 0 0
1995 0 0 0 0 0 0 0 0 0 0 0 0 0
1996 0 0 0 0 0 0 0 0 0 0 0 0 0
1997 0 0 0 0 0 0 0 0 0 0 0 0 0
1998 23 0 0 0 2 2 1 8 10 0 0 0 0
1999 1 0 0 0 0 0 0 1 0 0 0 0 0