Once you've passed the exams, the qualification remains with you for life.
My station licence lapsed many years ago, but my certificate of proficiency remains valid.
Held an Amateur Radio license for over 45 years and never knew that! Live and learn........
.....even if your Amateur radio gear is able to transmit on frequencies allocated to those services.
Naughty!
What Amateur would ever modify an amateur HF transceiver so it will operate across the entire 3 Mhz to 30 MHz HF Band, so it will work Marine and other HF frequencies?
