Extra exam question E1F05
Subelement E1, COMMISSION RULES· Group E1F · 47 CFR §97.303
Amateur stations may not transmit in which of the following frequency segments if they are located in the contiguous 48 states and north of Line A?
- A.440 MHz - 450 MHz
- B.53 MHz - 54 MHz
- C.222 MHz - 223 MHz
- D.420 MHz - 430 MHz (correct answer)
WhyAmateur stations in the contiguous 48 states north of Line A may not transmit in the 420 to 430 MHz segment. §97.303 prohibits amateur stations in the contiguous 48 states north of Line A from transmitting in the 420-430 MHz segment, protecting Canadian aeronautical radionavigation systems operating nearby, answer D. The other listed segments, 440-450 MHz, 53-54 MHz, and 222-223 MHz, aren't restricted by the Line A rule.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2024-2028 NCVEC Element 4 pool (public domain); the explanation above is original writing, see our methodology.
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