645 kHz — 0.645 MHz

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

MF / medium wave. 2 stations listed.

Stations listed on 645 kHz
Station	Country	Location	Power (kW)	Schedule (UTC)	Language
MW Station CA13	Canada	Regional Canada	46.900	0600-2400	Local
MW Station UN13	United Kingdom	Regional United Kingdom	47.900	0600-2400	Local