If we were able to detect radio signals from an intelligent civilization, we would hope they are doing all of the following things, EXCEPT ONE. What is the EXCEPTION?

Question

Quizplus · Accepted Answer

Using a broadband of radiation to target more receivers would not be a desirable trait for an intelligent civilization to exhibit as it would suggest a lack of efficiency and direction in their communication efforts. The other choices, sweeping the skies with a focused beam of radio waves, using a frequency near the "water hole," and using a repeating signal unlike a natural source like a pulsar, all suggest deliberate and intentional communication efforts.

If We Were Able to Detect Radio Signals from an Intelligent