 Having trouble receiving Kello at 107.9? If you're in the Sioux Falls metro, try us at FM 105.1. Kello, News Talk 1320, and now at 105.1. Washington Crossing is an independent living community for seniors located in northeast Sioux Falls across from Washington High School. It includes 90 beautiful one- and two-bedroom apartments ranging in size from 700 to 1,300 square feet.