E2A03:How is an upload signal processed by an inverting linear transponder?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E2A03 is The signal is mixed with a local oscillator signal and the difference product is transmitted.
Use this action or method: The signal is mixed with a local oscillator signal and the difference product is transmitted. It is the choice that directly completes the job described in the question.