21125 kHz — 21.125 MHz

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

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

Stations listed on 21125 kHz
Station	Country	Location	Power (kW)	Schedule (UTC)	Language
KOSEN-1 Mode HF/U - Onboard SDR - Uplink	Japan	—	—	—	—