T1B10:Where may SSB phone be used in amateur bands above 50 MHz?
Direct answer summary (2026-2030 NCVEC pool)
The official correct answer for T1B10 is In at least some segment of all these bands.
The key fact is In at least some segment of all these bands. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.