General exam question G2E07
Subelement G2, OPERATING PROCEDURES· Group G2E
G2E07
Which of the following is required when using FT8?
- A.A special hardware modem
- B.Computer time accurate to within approximately 1 second (correct answer)
- C.Receiver attenuator set to -12 dB
- D.A vertically polarized antenna
WhyFT8 requires computer clock time accurate to within about one second. FT8 depends on precise timing to know which 15-second slot a transmission belongs to, so it needs computer clock accuracy to within about a second, usually kept correct via internet time sync, answer B. It doesn't need any special hardware modem, a specific attenuator setting, or a particular antenna polarization to function.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2023-2027 NCVEC Element 3 pool (public domain); the explanation above is original writing, see our methodology.
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