wrote:

Related (but slightly off the wall), with a venue the size of Oshkosh
fellow hams might consider Tiny Tracker .

(For non-hams, this is a man-portable GPS unit that periodically
transmits its location which is then displayed on a map. Very handy
for locating the body :-)

A friend sent me a link to this today:
http://findu.com
http://www.ew.usna.edu/~bruninga/aprs.html

I like the weather addons, but it gets kinda pricey real quick...