SCR-784 Radar

The SCR-784 was a radar set used by the U.S. Army designed to be an amphibious version of the SCR-584, to control the fire of anti-aircraft batteries, and mounted on a searchlight trailer called a K-84. The set was used to guide the flare plane over the target.
Statistics.
Frequency: 2,800 MHz
Pulse Width: 0.8 µs
Pulse Repetition Rate: 1707 pps 
Vertical Coverage: 
Indicator Type: display 7 inch PPI and, two 3 inch CRT's for range determination
Surviving examples.
There are no known surviving examples of this array.