E3A09:Which of the following frequency ranges is most suited for meteor-scatter communications?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E3A09 is 28 MHz - 148 MHz.

The key fact is 28 MHz - 148 MHz. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.