LoTW (Logbook of The World)

Logbook of The World (LoTW) is an online system operated by the American Radio Relay League (ARRL) that securely records and verifies amateur radio communications. When radio operators make contact, they can upload digital confirmation data to LoTW, which then confirms the contact’s authenticity. This helps operators efficiently track their contacts, earn awards, and build a verified digital log. LoTW enhances accuracy and reduces paperwork, making the process of validating radio achievements faster and more reliable, all while maintaining privacy and security of user information.