Yes, you can listen to ham radio transmissions without a license.
Listening to radio frequencies, including those used by amateur (ham) radio operators, does not require a license in most countries. Amateur radio bands are open to public listening, and you can use any receiver capable of tuning to the appropriate frequencies to enjoy ham radio broadcasts.
Here are a few hardware options to allow you to listen to Ham Radio:
A Baofeng radio like the one below
A Software-defined radio dongle with the appropriate software application
All the above can be used to listen to Ham Radio.
While you can listen freely, transmitting on ham radio frequencies does require a license.
The licensing process typically involves passing an exam that covers technical knowledge, operating practices, and legal regulations to ensure that all operators understand how to use the radio spectrum responsibly and safely.
If you’re interested in getting more involved in ham radio beyond listening, consider studying for and obtaining an amateur radio license. This not only allows you to transmit but also helps you become part of the global community of amateur radio enthusiasts, participating in communications, contests, and emergency services.