tqsl ☆
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Description:
Sign and upload QSO records to Logbook of The World (LoTW)
Type: Cask  |  Latest Version: 2.8.4@0  |  Tracked Since: Dec 28, 2025
Links: Homepage  |  @ARRL  |  formulae.brew.sh
Category: Other
Tags: amateur-radio ham-radio lotw logging arrl
Install: brew install --cask tqsl
About:
Trusted QSL (tqsl) is the official client application for ARRL's Logbook of The World (LoTW) system. It securely manages your amateur radio station and operator certificates, digitally signing QSO (contact) records before uploading them to the LoTW server. This ensures authenticated and tamper-proof log submissions for confirming contacts and earning awards.
Key Features:
  • Digital signing of QSO records using ARRL-issued certificates
  • Secure upload of logs to the Logbook of The World (LoTW) database
  • Station and operator certificate management
  • Command-line interface (tqslcmd) for automation and scripting
Use Cases:
  • Uploading post-contest logs to LoTW for immediate score confirmation
  • Batch processing and signing of historical QSO records
  • Automating log uploads from logging software via command-line scripts
Alternatives:
  • eqsl – eQSL.cc is a separate service for digital QSL cards; tqsl is specifically for the ARRL LoTW confirmation system.
Version History
Detected Version Rev Change Commit
Jan 27, 2026 7:57pm 2.8.4 0 VERSION_BUMP 5920ed36
Jan 22, 2026 10:49pm 2.8.3 0 VERSION_BUMP eb1baabf
Sep 16, 2025 8:11pm 2.8.2 0 VERSION_BUMP 9b78dcd4
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