WS19 ws19 19 set wireless set 19 wireless set no19
WS19, WIRELESS SET NO 19, 19 SET, WS18, 18 SET, WS22, 22 SET, WS38, 38 SET

The Wireless-Set-No19 Group
Royal Signals
www.royalsignals.org.uk

1793 Air Publication AP1234E - Radio Navigation Aids
This large document (376 pages) covers Radio and Radar theory, plus many of the systems used in World War 2:

  • D/F Systems
  • Radio Compasses
  • CONSOL
  • Standard Beam Approach
  • Radio Altimeters
  • Ground Controlled Approach
  • LORAN
  • GEE
  • H2S and ASV
  • Rebecca and Eureka
  • BABS

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