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سؤال 112

Which of the following is a common location for FT8?

  1. Anywhere in the voice portion of the band
  2. Anywhere in the CW portion of the band
  3. Approximately 14.074 MHz to 14.077 MHzپاسخ درست
  4. Approximately 14.110 MHz to 14.113 MHz

توضیح

The 20 meter FT8 dial frequency is 14.074 MHz USB, and the decoded signals spread across the audio passband above it, which puts them in roughly 14.074-14.077 MHz. FT8 lives in its own narrow slice of the digital segment, not spread through the CW or voice portions.

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شروع تمرین
سؤال 112: Which of the following is a common location for FT8? · FCC General Class (Element 3) · Questena