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Вопрос 82

When sending CW, what does a “C” mean when added to the RST report?

  1. Chirpy or unstable signalПравильный ответ
  2. Report was read from an S meter rather than estimated
  3. 100 percent copy
  4. Key clicks

Объяснение

Letters appended to the RST report describe defects in the signal, and C reports a chirp: the transmitter frequency shifting as the key is closed, usually a power supply or oscillator problem. K is the separate letter used for key clicks.

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Вопрос 82: When sending CW, what does a “C” mean when added to the RST… · FCC General Class (Element 3) · Questena