 That association gave RMN at the forefront of broadcast journalism and public service.Other "Sound of the City" stations soon followed in Iloilo in 1962 (DYRI), Cebu in 1963 (DYHP), DZHB in Baguio and DXHP in Cagayan de Oro in 1968.In 1968, RMN made a "first" in Philippine radio history by initiating the national newscasts via microwave.