47 CFR 80.653 - Scope of communications.
(b) Maritime support stations are authorized to conduct the following operations:
(1) Training of personnel in maritime telecommunications;
(2) Transmissions necessary for the test and maintenance of maritime radio equipment at repair shops and at temporary unspecified locations;
(3) Transmissions necessary to test the technical performance of the licensee's public coast station(s) radiotelephone receiver(s); and
(4) Transmissions necessary for radar/racon equipment demonstration.