Answer:
The answer is "clear channel".
Step-by-step explanation:
It is also known as AM radio station, it is the radio station of the North American, that includes the best security for night-time, sky-wave propagation to disruption from other channels.
- Throughout North America and the Caribbean, where the definition developed, the word "clear-channel" is most commonly used.
- It moves around to North America and the Caribbean, where related to or residents of the Caribbean Sea and its islands.