G2D09:Which of the following is required when participating in a contest on HF frequencies?
Direct answer summary (2023-2027 NCVEC pool)
The official correct answer for G2D09 is Identify your station according to normal FCC regulations.
The key fact is Identify your station according to normal FCC regulations. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.