21660 kHz — 21.66 MHz

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

HF / shortwave, 14 m band. 3 stations listed.

Stations listed on 21660 kHz
Station	Country	Location	Power (kW)	Schedule (UTC)	Language
BBC	Saint Helena	Ascension	250.000	1200-1230	French
BBC	Madagascar	Talata-Volonondry	250.000	1300-1330	Swahili
BBC	Madagascar	Talata-Volonondry	250.000	1400-1430	Swahili