The club is composed of amateur radio operators and their families.
Members of these clubs are still active, and have also become amateur radio operators.
He was one of the first amateur radio operators in Australia.
This mode is still in common use by amateur radio operators.
Several hundred contacts were made with amateur radio operators around the world.
This tube is still in demand by amateur radio operators.
By age 11, he became a licensed amateur radio operator.
By 1980, the number of amateur radio operators had risen to 1,500.
"The town is gone," an unidentified amateur radio operator said.
It is no longer necessary for an American amateur radio operator to change his/her call sign when moving to a new district.
