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R.A.F. Henlow Signals Museum Exhibits

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Indicator Unit
Type
208
Indicator Unit
Type
230
Indicator Unit
Type
277
Indicator Unit
Type
30
Indicator Unit
Type
73

Indicator Unit Type 277

This unit was part of the H2S Mk4A airborne radar system and was the local monitor used for setting up the receiver in the aircraft.
The A-scan (horizontal trace) timebase, of 8-mile rang, showed received signals and markers as vertical deflections of the trace.

Sec/Ref: 10QB/6429

Indicator Unit<br>Type<br>277

Indicator Unit Type 277 (Photograph Number 0136)

Click on the image to get the full size image.


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