HAM - Radio Extra Class Test Practice Test
HAM - Radio Extra Class Test FREE HAM Radio Extra Class Test FCC Rules and Regulations Questions and Answers
Under what specific condition is an amateur station authorized to transmit messages encoded to obscure their meaning?
Select your answer
A
During a declared national emergency.
B
When transmitting control commands to a space station.
C
For communications supporting public safety officials.
D
When using digital modes on frequencies above 450 MHz.
Hint