OVERVIEW: The PRV-10M radar (NATO name: SPONGE CAKE) is a nodding height finding radar operating in the "E" Band.
DETAILS: The SPONGE CAKE is a fixed version of the PRV-10M PATTY CAKE mobile radar. Weapon systems associated with the PRV-9 include the SA-2 GUIDELINE. The PRV-10M radar is also associated with GCI systems.
Specifications:
Frequency: 2 Ghz (E-Band)
Power output: 2 MW (peak)
PRF:
Range Resolution: 3 km, 500 m height
On/Off time: unknown
Detection Ranges
Fighter size aircraft
500 m altitude: unknown
10000m alt.: 300 km
NOTES: IOC 1960-61 (approx).
SOURCES: Jane's Radar and Electronic Warfare Systems, 1998-99 "Cake series height-finder radars", 22 October
2004; Radar Basics. (n.d.). "Radar Basics." Grundlagen Der Radartechnik. Accessed March 8, 2015. http://www.radartutorial.eu/19.kartei/karte914.en.html.