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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 Lorenz beam and its two lobes. The "equisignal" area in the centre grows narrower, and more accurate, as the aircraft approaches the runway. Before the start of the war on 1 September 1939, Lufthansa and the German aircraft industry invested heavily in the development of commercial aviation, and in systems and methods that would improve safety and reliability.
Stations without the ability to acquire a time signal accurate to at least one second should request a time check at the start of every shift, or once a day minimum. Stations may ask the NCS for a time check by waiting for an appropriate pause, keying up and stating your call sign, and then using the prowords "REQUEST TIME CHECK, OVER" when the ...
A time bomb (or a timebomb, time ... Bremerhaven, Germany Alexander Keith, Jr. 80 or 83 ... Bombing of two 747 flights with alarm clock and dynamite hidden in radio tuner
Goliath transmitter was a very low frequency (VLF) transmitter for communicating with submarines, built by Nazi Germany's Kriegsmarine navy near Kalbe an der Milde in Saxony-Anhalt, Germany, which was in service from 1943 to 1945. It was capable of transmission power of between 100 and 1000 kW and was the most powerful transmitter of its time ...
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.
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The Henschel Hs 293 was a World War II German radio-guided glide bomb. It is the first operational anti-shipping missile, first used unsuccessfully on 25 August 1943 and then with increasing success over the next year, damaging or sinking at least 25 ships. Allied efforts to jam the radio control link were increasingly successful despite German ...