 The specific computers used in the weather map display system are two Macintosh IIvx computers built in 1992, a Macintosh LC III from 1993, a Macintosh Centris 610 from 1994 and two Power Macintosh 8500 computers built in 1995 that display animated weather maps.Software includes Okey Dokey Pro, Cron, JPEGView, and Applescript.QuickTime Pro is used for the animated weather map display.