663 kHz — 0.663 MHz

Name: FreqBuddy radio frequency database
License: https://freqbuddy.com/

MF / medium wave. 1 station listed.

Stations listed on 663 kHz
Station	Country	Location	Power (kW)	Schedule (UTC)	Language
MW Station GE15	Germany	Regional Germany	317.300	0600-2400	Local