NCRA CTR Exam Practice Test 2023 Questions and Complete solutions
CTR & CTM ELF Answer:- 3Hz-30Hz ONE WAY SUB COMS SLF Answer:- 30Hz-300Hz Communications for subs ULF Answer:- 300Hz-3kHz Communications in mines VLF Answer:- 3kHz-30kHz LF Answer:- 30kHz-300kHz 8 CHANNELS OF FREQUENCY DIVISION DIVISION MULTIPLEX TRAFFIC MF Answer:- 300kHz-3MHz International distress frequencies HF Answer:- 3MHz-30MHz AROUND SINCE WW1, long distance, AM RADIO AND COMMERCIAL DISTRESS
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ncra ctr exam practice test 2023 questions and com