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1

Saturday, July 11th 2009, 6:37pm

Electronics

Overview, to be completed.

2

Saturday, July 11th 2009, 6:40pm

Electronic equipment Abreiviations

B = For capital ships and cruisers
C = Centimetric
D = For Destroyers
F = Fire-control radar (gun-laying)
L = For coastal (littoral) craft
M = Metric
N = Millimetric
P = Shipborne
Q = Airborne
U = For submarines
V = Carrier Beacon
W = Wireless warning
X = Experimental
Y = Wireless Ranging (Y-ranging)

YPBM-X
Type: Prototype surface-search Y-range for capital ships and cruisers
Set Range: *Censored*
Date in Service: 1935
Notes: Eventually produced as YPBM.

YPBM
Type: Production surface-search Y-range for capital ships and cruisers
Set Range: *Censored*
Date in Service: 1936
Notes: Versatile enough to detect aircraft at fifty miles or more in certain conditions. Similar to US CXAM.

YPBV
Type: Carrier direction-finding beacon
Set Range: *Censored*
Date in Service: 1936
Notes: Helps carrier guide back returning aircraft.

YPDM
Type: Metric Y-range set for destroyers
Set Range: *Censored*
Date in Service: 1936
Notes: Limited production.

YQAM
Type: Airborne Y-range set for airships and aircraft
Set Range: *Censored*
Date in Service: 1937
Notes: N/A

YQAC
Type: Airborne Y-range set for airships and aircraft, centimetric
Set Range: *Censored*
Date in Service: 1939
Notes: N/A

YPBC-F
Type: Gun-laying centimetric Y-range for capital ships and cruisers.
Set Range: *Censored*
Date in Service: 1939
Notes: Equivalent of SG radar.

YPDC-F
Type: Gun-laying centimetric Y-range for destroyers, surface search.
Set Range: *Censored*
Date in Service: 1939
Notes: Equivalent of SF or SU radars.

YPUC
Type: Centimetric Y-range for submarines, surface search only.
Set Range: *Censored*
Date in Service: 1940
Notes: Equivalent of SJ radars.