21300 kHz — 21.3 MHz

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

HF / shortwave, 14 m band. 2 stations listed.

Stations listed on 21300 kHz
Station	Country	Location	Power (kW)	Schedule (UTC)	Language
Amateur Radio Phone	International	Worldwide	—	24h	Various
Hua Hin Airport ATIS	Thailand	Hua Hin	—	—	—