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Royal Air Force Henlow Signals Museum

Ground Radar Displays

In order to get our Console 60 fully working we are looking for a Selsyn used to drive the scan coils and the Height Finder cursor (both the same as the Selsyns on the Height finders which drive them). We have 3 and are looking for a 4th so that we can drive the scan coils and the cursor at the same time. If you know where there is one, please contact the RAF Signals museum on:

01462 851515 Extension 7997
(Dial the extension as soon as the recorded voice is heard).

At the museum we have 3 radar display consoles: types 60, 61 and 64. The 60 and 64 were used for PPI (Plan Position Indicator) displays, and the 61 for "A" scan and height finder displays. We have all 3 working, currently (June 2017)

A short description of consoles 60 and 61 is given below (see link at top of page for Console 64).

See also the Air Publications (A.P.s) for more details:

Additionally the following APs are associated with the consoles, being part of the Radar Office equipment:

Console 60.

is a PPI display console primarily for use in radio vehicle Type 5104.1, powered by internal mains driven power supplies with a glass cursor used to indicate the azication position of the relevant height finder. It is a moving coil display (i.e. the coils rotate around the neck of the CRT)

Its inputs are:


Power inputs:

Main components:

Console 61.

It's inputs are (among others):


Main Components:

This console is by far the worst Radar equipment to work on that I have ever met!

Console 61 re-furbishment

Console 64.

A PPI or height finder display powered by external power supplies. It is a Fixed Coil display and there are two main types:

Console 64 description

Console 64 re-furbishment


Page last updated 25th February 2018 by Colin Hinson.