Digital modes are the topic of this week’s Amateur Extra exam question….  [E8C13] What is one advantage of using JT-65 coding? A. Uses only a 65 Hz bandwidth B. The…

What does it mean when a CW operator sends “KN” at the end of a transmission? A. Listening for novice stations B. Operating full break-in C. Listening only for a…

What part of a data packet contains the routing and handling information? A. Directory B. Preamble C. Header D. Footer The answer is C. Header.  When dealing with data “packets”,…

What is the maximum power level that an amateur radio station may use at VHF frequencies before an RF exposure evaluation is required? A. 1500 watts PEP transmitter output B….