Find the person(s) you would contact to coordinate the use of wireless mics in the last city in the US where you vacationed

See the hint - The Society of Broadcast Engineers maintains frequency cordinators - which reasons below are true

News departments at the TV stations in the market share a finite set of microwave and two way radio frequencies

The FCC requires that each market has a frequency coordinator

Wireless microphones are not licensed and can use many different frequencies, so there much be coordination on who uses what frequencies and when