To support amateur self-training in radiocommunications, including improving amateur operating skills, conducting technical investigations, and intercommunicating with other amateurs. Stations in the United States and Canada (including territories and possessions) exchange information with as many other US and Canadian stations as possible on the 160, 80, 40, 20, 15 and 10 meter bands.
Begins 2100 UTC Saturday and runs through 0259 UTC Monday.
Serial No. + Precedence (Q/A/B/U/M/S) + [your call sign] + Check + ARRL/RAC Section
Where the Precedence options are:
· “Q” for Single Operator, QRP
· “A” for Single Operator, Low Power
· “B” for Single Operator, High Power
· “U” for Any Single Operator Unlimited Power Category (High, Low, or QRP)
· “M” for Multioperator, High Power or Multioperator, Low Power
· “S” for School Club
The last two digits of the year the operator or the station was first licensed. The same Check must be sent throughout the contest.
More details at: http://www.arrl.org/sweepstakes