PNR - Panama Republic :

		Canal Radio (HPN60)	PNR-32
		MARS Howard AFB (AGA0HO)	PNR-44
		NDB Chitre - Alonso Valderrama *CHE	PNR-51
		Panama Aero	PNR-20
		Panama Intelmar Radio (HPP)	PNR-37
		TRTC Panama City	PNR-25
		USAF Albrook (AHF)	PNR-43
		USNy Balboa (NBA)	PNR-41

 

See also for the Panama Canal Zone (PNZ), which became part of the Republic of Panama on October 1, 1979

The HAM-Radio-QSL from HP1XHI (see below) gives a fine map of the Canal Zone Area: