[Code of Federal Regulations] [Title 47, Volume 5] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR80.87] [Page 32] TITLE 47--TELECOMMUNICATION COMMISSION (CONTINUED) PART 80--STATIONS IN THE MARITIME SERVICES--Table of Contents Subpart C--Operating Requirements and Procedures Sec. 80.87 Cooperative use of frequency assignments. Each radio channel is available for use on a shared basis only and is not available for the exclusive use of any one station or station licensee. Station licensees must cooperate in the use of their respective frequency assignments in order to minimize interference and obtain the most effective use of the authorized radio channels.