Ontwerp-voorschrift voor het radio zend- en ontvangtoestel No. 18 (model III) Deel 1 - Koninklijke Landmacht Voorschrift no. 938 Communist propaganda "Yankee go Home" Fundamentals of radio-troubleshooting, Part II, Troubleshooting a radio receiver Fundamentals of radio-troubleshooting, Part I, Principal techniques Fundamentals of radio-troubleshooting, Part III, Troubleshooting a radio transmitter Radio trouble-shooting, part 4, Additional devices and techniques Aerial Navigation radio aids Koninklijke Nederlandse Brigade "Prinses Irene", deel 3, H.Q Company 1opdeMiddag Radio 1 7 mrt 2005 - Repo Wilhelmina International meeting on radio aids tot marine navigation May 1946 Volume II; Radio navigation, radar and position fixing systems for use in marine navigation Radio en Luchtvaart Radio aids to air navigation
