660 kHz — 0.66 MHz

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

MF / medium wave. 2 stations listed.

Stations listed on 660 kHz
Station	Country	Location	Power (kW)	Schedule (UTC)	Language
MW Station SP15	Spain	Regional Spain	92.600	0600-2400	Local
WFAN	United States	New York	50.000	24h	Local