High Quality Content by WIKIPEDIA articles! Radio Mindanao Network Inc. or RMN Networks is one of the largest radio networks in the Philippines. The network's first radio station is DXCC, established in Cagayan de Oro on the island of Mindanao in August 28, 1952. The callsign meant the radio partnership of Canoy and Cui. It was changed later to a neutral meaning Cagayan de Oro Community, as the founder would soon write it in his memoir. The Network studios and office in Metro Manila are located at the 4/F Guadalupe Commercial Complex Bldg., EDSA Guadalupe, Makati City.