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Low cost DCF77 receiver. DCF77 is a German longwave time signal and standard-frequency radio station. It started service as a standard-frequency station on 1 January 1959. In June 1973, date and time information was added.
The Kurzsignale code was intended to shorten transmission time to below the time required to get a directional fix. It was not primarily intended to hide signal contents; protection was intended to be achieved by encoding with the Enigma machine. A copy of the Kurzsignale code book was captured from German submarine U-110 on 9 May 1941. In ...
Speer, Germany's Reich Minister of Armaments and War Production, later claimed: [7] To this day, I am convinced that substantial deployment of Wasserfall from the spring of 1944 onward, together with an uncompromising use of the jet fighters as air defense interceptors, would have essentially stalled the Allied strategic bombing offensive ...
The message was sent at 07:35 on 7 May 1945 by a German radio operator in Cuxhaven and read: "British troops entered Cuxhaven at 14:00 on 6 May 1945 – all radio broadcast will cease with immediate effect – I wish you all again the best of luck". It was immediately followed by another message: "Closing down forever – all the best – goodbye".
A modern LF radio-controlled clock. A radio clock or radio-controlled clock (RCC), and often colloquially (and incorrectly [1]) referred to as an "atomic clock", is a type of quartz clock or watch that is automatically synchronized to a time code transmitted by a radio transmitter connected to a time standard such as an atomic clock.
A time bomb's timing mechanism may be professionally manufactured either separately or as part of the device, or it may be improvised from an ordinary household timer such as a wind-up alarm clock, wrist watch, digital kitchen timer, or notebook computer. The timer can be programmed to count up or count down (usually the latter; as the bomb ...
Peilgerät (PeilG) 6: Codenamed "Alex Sniatkowski", this was a long and medium range D/F set and homing device used mainly on bombers: Ar 234, Do 217, Ju 87, Ju 88A-4 on, Ju 188, Ju 290, Ju 388; the He 177A heavy bombers (Germany's only "heavy bomber" design in service), and both the He 219A and Ju 88G night fighter series are some of the aircraft types to be fitted.
Kurier was a burst transmission system for U-boat communications that was first sea trialed by the Kriegsmarine in 1943 [1] and subsequently fitted to the Type XXI submarine. [2]: 103–104 Having learned of the success of the UK's "huff-duff" systems in rapidly locating radio transmissions, Kurier was developed to dramatically reduce message transmission times from a typical 20 seconds to ...