T8C09:Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?
Direct answer summary (2026-2030 NCVEC pool)
The official correct answer for T8C09 is EchoLink.
The key fact is EchoLink. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.