Decameter band corresponds to which frequency range?

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Prepare for the NTC Restricted Radiotelephone Operator’s Certificate (RROC) - Aircraft Test. Study with flashcards and multiple-choice questions, each with hints and explanations. Ensure success on your examination!

Multiple Choice

Decameter band corresponds to which frequency range?

Explanation:
Decameter refers to wavelengths around 10 meters. Use the relation f = c/λ (with c ≈ 3 × 10^8 m/s). A 10 m wavelength corresponds to about 30 MHz, and longer wavelengths (around 100 m) correspond to about 3 MHz. So the decameter band spans roughly 3–30 MHz. The other frequency ranges are either far below or well above this range, so they don’t match decameter wavelengths.

Decameter refers to wavelengths around 10 meters. Use the relation f = c/λ (with c ≈ 3 × 10^8 m/s). A 10 m wavelength corresponds to about 30 MHz, and longer wavelengths (around 100 m) correspond to about 3 MHz. So the decameter band spans roughly 3–30 MHz. The other frequency ranges are either far below or well above this range, so they don’t match decameter wavelengths.

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