Sec.  23.27   Experimental research.

   

   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.