For the rules, see - http://arsqrp.blogspot.com/2009/02/so-whats-spartan-sprint-and-how-do-i.html
The exchange is simple - RST / SPC / Power Out
This is a good one for us "giver of points" to build up the log tally, and to see how band conditions are doing.
72 de Larry W2LJ
QRP - When you care to send the very least!