TQSL
Trusted QSL (TQSL) is a cross‑platform software tool used by amateur radio operators to prepare, sign, and submit QSO data to the Logbook of The World (LoTW) system. It also serves as a certificate management utility that creates and handles the digital certificates LoTW uses to authenticate submissions.
TQSL runs on Windows, macOS, and Linux. It supports common log formats such as ADIF and can
Usability and workflow: after installing TQSL, a user obtains a LoTW certificate and imports it into the
Purpose and scope: TQSL is specifically designed for interacting with LoTW and is not intended for producing