Frequency coordination is provided as a service to TV and Radio production companies to assure non-interfering signals during productions.
From coordinating football, basketball, baseball, hockey, and auto racing coverage, to coordinating coverage of local and national news events, the local spectrum can get pretty busy.

Chapter 53 runs a repeater to facilitate coordination with other companies:

Repeater output frequency is: 450.0375 MHz
Repeater input frequency is:
455.0375 MHz
Encode/Decode frequency is:
131.8 MHz

South Florida Frequency Coordination Committee:

Bill Murdoch
Lou Libin
Jim Leifer - Game Day Coordinator
Ernesto Diaz - Game Day Coordinator

If you need more info on this service,
contact Jim Leifer