antennas to provide much greater accuracy at long range, named Knickebein and X-Gerät. These were used during the early stages of "The Blitz" with great effect...

centimetre kurze Marinekanone 14 L/12 (short naval cannon), or Minenwerfer-Gerät (M-Gerät), popularly known by the nickname Big Bertha, was a German siege howitzer...

devices and relied on three systems: Knickebein (Crooked Leg), X-Gerät (X-Device), and Y-Gerät (Y-Device). This led the British to develop countermeasures...

the 1980s Wotan I, also known as X-Gerät, a German World War II radio navigation project Wotan II, also known as Y-Gerät, another German radio navigation...

modified Heinkel He 111 aircraft of Kampfgruppe 100, which were equipped with X-Gerät navigational devices, accurately dropped marker flares at 19:20. The British...

guide the bombers on missions over Britain, under the name Knickebein and X-Gerät. Beam navigation provides a single line in space, making it useful for...

X-Gerät: The Knickebein system was even for its time very crude. As soon as it had proved itself development of an improved system called X-Gerät was...

eventually jammed by the British. It was replaced by the higher frequency X-Gerät system, which used transmitter stations located on the channel coast of...

daylight bombing and electronic navigational aids like the Knickebein, X-Gerät and Y-Gerät for nocturnal bombing, there were some very fundamental limitations...

into service in 1940; over 3,000 of all variants were built. X-Gerät – "X-device" or "X-equipment"; radio navigation equipment used on German aircraft...