OVERVIEW: The Hughes Air Defense Radar (HADR), is a fixed, 3-D Longe-Range, phased-array, Air Surveillance radar operating in the F band (NATO) or S Band (IEEE). 

DETAILS: 

Specifications:

Frequency: 		 		3-4 GHz (F Band (NATO), S Band (IEEE)))  
Power output: 		 		32 kW(average); 1.5 MW (peak) 
PRF:			 		60-1430 Hz (approx)	
Range Resolution:	 		137 m (range), unknown degree azimuth 					
On/Off time:		 		unknown seconds
Deploy/Stow Time	 		unknown min / unknown min
Maximum Range:		 		444 Km (instrumented range)
Effective Range, (1 m2 target): 	320 km


NOTES: The Secondary Surveillance Radar (SSR) subsystem was the version D14 of the German “Siemens 1990” until December 2006. Now the radar has been updated to the new MSSR 2000 I using the ICAO standard Mark XII. In Germany there are four devices at the locations Brockzetel , heritage head , Marie Baum and Meßstetten in use. Norway has three devices, Malaysia one. One of the HR 3000 version under the name RSRP (Radars for the Southern Region and Portugal) in the Mediterranean spreads (Turkey, Greece, Italy and Portugal). The devices used in Portugal in Fóia, Montejunto and Pilar. 

SOURCES: Radartutorial "HADR". Accessed December 2. 2013. http://www.radartutorial.eu/19.kartei/karte106.en.html ; Saab "Royal Norwegian Air Force Sindre-I HADR upgrade". Accessed December 2. 2013. http://www.saabsensis.com/wp-content/uploads/2012/09/HADR-Norway-CS-HR-1-12.pdf ; "Radar Basics." Grundlagen Der Radartechnik. Accessed August 28, 2015. http://www.radartutorial.eu/19.kartei/karte106.en.html ; http://www.radartutorial.eu/19.kartei/karte106.en.html ; http://de.wikipedia.org/wiki/HADR_(Radar)