ANCHORAGE, Alaska--(BUSINESS WIRE)--Alaska Communications System Group, Inc. (NASDAQ:ALSK) and General Communication, Inc. (GCI) (NASDAQ:GNCMA) have signed definitive agreements for Alaska Communications to sell its wireless subscriber base and its 33 percent interest in its partnership in the Alaska Wireless Network, LLC (AWN) to GCI for $300 million. Under the terms of the agreements and upon close: GCI will assume Alaska Communications’ wireless subscriber base. Services will be uninterrupte