TEMPORAL COVERAGE OF TYPE “satellite 4” IN THE UCSB SPOT CATALOG

There are 2,780,596 items of type “satellite 4” 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 1998 89835 0 0 321 7986 7864 11983 12993 10199 9487 9750 9468 9784
1999 112897 9496 8524 9259 9715 10285 10023 11132 10574 9283 8492 8181 7933
2000 142081 9628 9338 12496 10736 13438 13154 13817 14035 12253 9993 11306 11887
2001 198410 16562 15462 18129 17237 18736 18644 18888 19683 18972 15327 11023 9747
2002 160729 4252 3906 6392 15248 17146 22519 18187 13491 13957 14169 14067 17395
2003 262407 15901 15425 17284 18605 18970 20395 24393 29147 26242 23674 22705 29666
2004 352359 28111 28037 31564 30978 31252 29498 30884 31343 28996 26858 27772 27066
2005 390157 26106 24508 29356 30740 33076 33941 34856 36388 39084 37334 32796 31972
2006 384872 27608 23958 31619 30780 35107 38941 39773 39135 34445 30347 27414 25745
2007 375162 29409 29779 33118 28798 33771 32800 34665 33768 32846 34753 26015 25440
2008 306924 20572 22204 23444 23235 24757 25218 29972 28472 28944 29552 25738 24816
2009 4763 4763 0 0 0 0 0 0 0 0 0 0 0