47 U.S.C. § 322 : US Code - Section 322: Exchanging radio communications between land and ship stations and from ship to ship

Search 47 U.S.C. § 322 : US Code - Section 322: Exchanging radio communications between land and ship stations and from ship to ship

Every land station open to general public service between the
coast and vessels or aircraft at sea shall, within the scope of its
normal operations, be bound to exchange radio communications or
signals with any ship or aircraft station at sea; and each station
on shipboard or aircraft at sea shall, within the scope of its
normal operations, be bound to exchange radio communications or
signals with any other station on shipboard or aircraft at sea or
with any land station open to general public service between the
coast and vessels or aircraft at sea: Provided, That such exchange
of radio communication shall be without distinction as to radio
systems or instruments adopted by each station.