Question

What is communication black out?

Answer 1

Answer:

in telecommunications communication blackout are a cessation of communication caused by lack of power to a communication facility

Answer 2

Answer:

In telecommunications, communications blackouts are

1. a cessation of communications or communications capability, caused by a lack of power to a communications facility or to communications equipment.
2. a total lack of radio communications capability, caused by ionospheric anomalies, e.g., during strong auroral activity or during re-entry of a spacecraft into the Earth's atmosphere.