GUARDIAN (Type 1193A)  Receiver
 
The Marconi Guardian receiver was part of a DF system but the goniometer that it was used with remains unidentified at this time

Frequency range (from dial): 150 KHz to 4.5 MHz
 

guardian_1.jpg
Guardian receiver. (Photo courtesy John Wise, HMS Collingwood Museum)


Contributors and Credits:

1) John Wise <jaceywise(at)apple15.freeserve.co.uk>

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