Log on to Logbook of The World -- LoTW Note: You must have been issued a certificate before you can log on to the LoTW site.

Getting Started with LoTW Before you can submit QSOs to Logbook of the World (LoTW), you must install the free TQSL application on your computer. TQSL will enable you to obtain a Callsign …

Logging In to Your LoTW Account To log in to your LoTW account, 1. Using your web browser, navigate to https://lotw.arrl.org/lotwuser/defau

You can: Upload a certificate request (.TQ5) file. Enter the validation code you received on a postcard. [USA licensees only.] Find out what documentation is required for non-US certificates. Log onto the …