| skos:altLabel | - foil
- Wotan
- navigational aids
- radio navigation
- counter-measures
- radio beam
- Y-Gerät
- ''Knickebein''
- ''X-Gerät''
- ''Y-Gerät''
- Battle of the Beams#Knickebein
- Battle of the Beams#X-Gerät
- Battle of the Beams#Y-Gerät
- Battle_of_the_Beams#X-Ger.C3.A4t
- Battle_of_the_Beams#Y-Gerät
- Knickebein
- World War II night-navigation and radar systems
- X-Gerät
- bearings and cross-bearings
- distorted Luftwaffe radio guidance beams
- equipment devised to interrupt the homing beams
- jam radio navigation
- jamming German bombers' navigation systems
- jamming efforts
- proving otherwise
- radio beam systems
- radio navigation beam
- the beams
- series of increasingly-sophisticated radio navigation systems
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