TrustedQSL: The Ultimate Tool for QSL Management

TrustedQSL by ARRL streamlines the process of verifying and managing QSL cards for amateur radio operators, making log submissions easier and more efficient.
TrustedQSL operates in conjunction with the Logbook of The World (LoTW), an online database maintained by ARRL that contain records of QSOs, or contacts, made between amateur radio operators. When an operator submits a log file to LoTW, they must digitally sign it using TrustedQSL. The signing process involves creating a digital signature that is unique to the file, ensuring that any subsequent changes to the log are detected.
TrustedQSL also allows operators to verify the digital signatures on logs received from other operators, ensuring that the logs have not been tampered with or falsified. This provides a level of trust and integrity for LoTW participants, who can be confident that their awards and rankings are based on valid and verifiable data.
TrustedQSL is an important tool for amateur radio operators who participate in contests or awards programs, as it enables them to securely and efficiently track their communications activities and achievements.
Overview
TrustedQSL is a Freeware software in the category Communications developed by ARRL.
The users of our client application UpdateStar have checked TrustedQSL for updates 126 times during the last month.
The latest version of TrustedQSL is 2.7.5, released on 01/03/2025. It was initially added to our database on 10/29/2007. The most prevalent version is 2.7.5, which is used by 50% of all installations.
TrustedQSL runs on the following operating systems: Windows. The download file has a size of 9.1MB.
TrustedQSL has not been rated by our users yet.
Pros
- TrustedQSL is open-source and free to use, making it accessible to all users.
- It provides a secure and efficient way to digitally sign and upload log files for amateur radio operators.
- The software integrates seamlessly with the Logbook of the World (LOTW) system, allowing users to easily submit their contacts for validation.
- TrustedQSL ensures data integrity and authenticity, giving users peace of mind when submitting QSOs (contacts).
Cons
- The interface of TrustedQSL may be considered daunting for some users, especially those unfamiliar with digital signing and certificates.
- Occasional software updates may be required to maintain compatibility with the LOTW system, which can disrupt workflow for users.
- Some users have reported issues with the installation process and initial setup of TrustedQSL, requiring troubleshooting to resolve.
FAQ
What is TQSL?
TQSL is a tool that enables Amateur Radio operators to digitally sign and encrypt their QSO records. Digital signing and encryption help ensure the authenticity and integrity of the records.
How do I download TQSL?
TQSL can be downloaded from the ARRL website.
Does TQSL work on all operating systems?
TQSL is available for Windows, macOS, and Linux operating systems.
Do I have to be an ARRL member to use TQSL?
No, you do not have to be an ARRL member to use TQSL.
How is TQSL used?
TQSL generates a unique digital signature for each QSO record and encrypts it using the operator's private key. The recipient uses the operator's public key to decrypt and verify the authenticity and integrity of the record.
Is TQSL compatible with other logging programs?
TQSL is compatible with many logging programs, including but not limited to, DXKeeper, Logger32, and N1MM+. Check with your logging program's documentation to see if it is compatible with TQSL.
Do I need an internet connection to use TQSL?
An internet connection is required if you wish to upload signed QSO records to the ARRL's Logbook of the World (LoTW) or download QSL information from LoTW. Otherwise, an internet connection is not required.
Is TQSL free?
Yes, TQSL is provided free of charge by the ARRL.
Can I use TQSL to sign other types of documents besides QSO records?
No, TQSL is specifically designed for signing and encrypting Amateur Radio QSO records.
How do I learn more about TQSL?
More information about TQSL can be found on the ARRL website or by contacting the ARRL directly.

Boris Weber
I am an editor at UpdateStar. I started as a support engineer, and am now specialized in writing about general software topics from a usability and performance angle among others. I telecommute from UpdateStar’s Berlin office, when I am not working remote as a digital nomad for UpdateStar. When I'm not analyzing the latest software updates, you can find me exploring new cities, immersing myself in local cultures, and discovering innovative tech trends across the globe.
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