The video is sent over a spread spectrum radio link to a windows 95 system. This program was originally used to graph utilization of wide area network links, but it is flexible enough to handle mundane things such as temperature. The weather data is extracted directly from the SnowCrest Weather Gateway using lynx and awk . The clocks on the webcam machine and the Unix machine are syncronized to world time using ntp . In the case of the webcam system the clock is probably accurate to within a second.
P ictures E xperts G roup.
Also, AVI decoders are not available for all platforms.