Bandwidth of HF transmission is
- 1 khz
- 1.5 khz
- 3 khz
Explanation
Aeronautical HF voice uses single-sideband transmission occupying a channel bandwidth of about 3 kHz, which is sufficient for intelligible speech while conserving the crowded HF spectrum. The narrower 1 to 1.5 kHz figures would not pass the full speech band.
Jordi asking:
The correct answer is 2Khz-29.92Khz and spacing 1Khz
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