21540 kHz — 21.54 MHz

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

HF / shortwave, 14 m band. 1 station listed.

Stations listed on 21540 kHz
Station	Country	Location	Power (kW)	Schedule (UTC)	Language
BBC DRM E1C238	United Kingdom	Woofferton	100.000	1458-1600	English(Digital)