 On May 10, 1975, DZEM once again moved at the third floor of the Iglesia ni Cristo Development Center Building at Carlos Palanca St., Quiapo, Manila.After a month, it also altered its frequency to 1360 kHz.Then in November 1978, as a result of band adjustments, DZEM had again changed its frequency to 1422 kHz due to the switch of the Philippine AM dial from the NARBA-mandated 10 kHz spacing to the 9 kHz rule implemented by the Geneva Frequency Plan of 1975.