47 C.F.R. § 23.27 Experimental research.
Title 47 - Telecommunication
The licensee of a station may be authorized to use a transmitter which is licensed for fixed public or fixed public press service for experimental research in accordance with the rules and regulations governing the experimental service upon the condition that no interference will be caused to the public service. Experimental (Research) and Experimental (Developmental) Stations authorized to operate as point-to-point telegraph or telephone stations shall comply with the rules governing fixed public radio services in addition to the rules and regulations governing experimental radio services.
Title 47: Telecommunication
PART 23—INTERNATIONAL FIXED PUBLIC RADIOCOMMUNICATION SERVICES
Fixed Public Services
§ 23.27 Experimental research.