CTR & CTM EXAM REVIEW A+
CTR & CTM EXAM REVIEW A+ ELF - ANS-3Hz-30Hz ONE WAY SUB COMS SLF - ANS-30Hz-300Hz Communications for subs ULF - ANS-300Hz-3kHz Communications in mines VLF - ANS-3kHz-30kHz LF - ANS-30kHz-300kHz 8 CHANNELS OF FREQUENCY DIVISION DIVISION MULTIPLEX TRAFFIC MF - ANS-300kHz-3MHz International distress frequencies HF - ANS-3MHz-30MHz AROUND SINCE WW1, long distance, AM RADIO AND COMMERCIAL DISTRESS VHF - ANS-30MHz-300MHz LOS, FM RADIO AND AIRCRAFT COMMUNICATIONS UHF - ANS-300MHz-3GHz LOS: TACTICAL VOICE SAT: TACTICAL VOICE/DATA SHF - ANS-3GHz-30GHz Radar and satellite communications EHF - ANS-30GHz-300GHz SATELLITE COMMUNICATIONS Multiplexing - ANS-Multiple analog message signals that are combined into one Modulation/Demodulation - ANS-Manipulating a waveform; putting info on or taking it off Keying - ANS-Inserting noise onto a frequency Sampling - ANS-Taking only what you need for better quality Ionosphere Layers - ANS-D,E,F1,F2 Radio Waves - ANS-Electromagnetic energy traveling from one antenna to another by GROUND WAVES or SKY WAVES Amplitude Modulation AM - ANS-Varying the power of a wave Frequency Modulation FM - ANS-...
Información del documento
- Subido en
- 8 de noviembre de 2024
- Número de páginas
- 10
- Escrito en
- 2024/2025
- Tipo
- Examen
- Contiene
- Preguntas y respuestas