The ninth annual 13 Colonies Special Event will take place July 1-7, with activity starting at 1300 UTC on July 1 and continuing until 0400 on July 7 (the evening of July 6 in US time zones).

Participating stations try to contact all 13 Colony Stations plus two Bonus Stations — a clean sweep, a la ARRL November Sweepstakes. Stations in each of the original 13 colonies will be on the air using 1 × 2 special event call signs. The bonus stations will be WM3PEN in Philadelphia and GB13COL in Durham, England.

Call signs and their respective states are K2A, New York; K2B, Virginia; K2C, Rhode Island; K2D, Connecticut; K2E, Delaware; K2F, Maryland; K2G, Georgia; K2H, Massachusetts; K2I, New Jersey; K2J, North Carolina; K2K, New Hampshire; K2L, South Carolina, and K2M, Pennsylvania. Additional information is on the 13 Colonies website.