DWDD (1134 kHz Metro Manila) “Katropa AM Radio” is an AM radio station, with studio and transmitter located at Camp Aguinaldo Quezon City. This is ... See more the official radio station of the Armed Forces of the Philippines (AFP) and a dependable medium during emergencies like natural disasters. It airs from 4:00 am until 11:00 pm, except Holy Week of each year where it signs-off at midnight of Maundy Thursday and until 4:00 am of Easter Sunday. DWDD supports national goals and helps accomplish DND and AFP missions by serving as an effective medium of information for its military and civilian personnel and the general public.