A type 22 surface search radar, a Type 13 air search radar, and a Type 2 infrared identification friend-or-foe system were installed as well.

Type 13 air search and Type 22 surface search radar fits were also added.

Two new Type 22 surface-search radars and a Type 13 air-search radar were also fitted.

The mobile three-coordinate meter radar station JY-27A was created on the basis of the two-coordinate standby radar JY-27.

Sea Giraffe 180 is a medium-range air and surface search radar.

The WV-2/EC-121D was initially fitted with a dorsal AN/APS-45 height finder radar and a ventral AN/APS-20 air search radar.

1 DRBV-50 low altitude or surface sentry radar (later replaced by a DRBV-15)

1 DRBV-50 low altitude or surface sentry radar (later replaced by a DRBV-15)

1 DRBV-50 low altitude or surface sentry radar (later replaced by a DRBV-15)

DRBV-50 low-altitude or surface sentry radar (later replaced by a DRBV-15)

DRBV-50 low-altitude or surface sentry radar (later replaced by a DRBV-15)

DRBV-50 low-altitude or surface sentry radar (later replaced by a DRBV-15)

1 DRBV-50 low altitude or surface sentry radar (later replaced by a DRBV-15)

DRBV-50 low-altitude or surface sentry radar (later replaced by a DRBV-15)

The only early warning system of the sort to see action was the AN/CPS-1, which was available in late 1944.