Answer:
Radio act of 1912
Step-by-step explanation:
Radio Act 1912, gave the government the control to sieze the broadcast spectrum and take responsibility for its allocation among various uses and users.
The act, which is a provision give the radio operators the license for a separate frequency for distress calls, absolute priority for distress calls, and twenty-four-hour radio service for ships at sea.
The act also ensured that all amateur radio broadcasters must be licensed, and it stopped them legally from broadcasting over the main commercial and military wavelengths.
It was preceded by the Wireless Ship Act of 1910, and succeeded by Radio Act of 1927