GPO / POST OFFICE SERVICE
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| This may have been a field trail for certain
apparatus to be used in an early air attack warning system.
Click here for further information
Remote site equipment (Dated 1953)
Unit, Operating No. 200A (Dated 1954)
Unit, Control WB203A (Dated 1953)
Receiver, Carrier WB200A (Dated 1953)
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Last revised: August 08, 2025FM2 | ||||||||
