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Determining When a Callsign Certificate Will Expire

Callsign Certificates are valid for 3 years. To determine when a Callsign Certificate will expire,

1. Start TQSL and select the Callsign Certificates tab, which lists your Callsign Certificates.
2. Click on the Callsign Certificate in question, and then click the Display the callsign certificate properties button; a Certificate Properties window will display the Certificate's expiration date:

A Callsign Certificate that has already expired is shown on the Callsign Certificates tab with an expired icon:  .

Once a day on startup, TQSL will inform you if a Callsign Certificate will expire within 60 days, and you will typically receive an email notification from the ARRL a few weeks before a certificate expires.