[[File:NSGA Galeta Island Site.jpg|thumb|Direction-finding system [[Galeta Island (Panama)|Galeta Island]], [[Panama]] ]]
TheA '''Wullenweber''' ({{note|the original name introduced by Dr. Hans Rindfleisch was Wullenwe'''v'''er)}} is a type of '''Circularly Disposed Antenna Array (CDAA)''' sometimes referred to as a '''Circularly Disposed Dipole Array (CDDA)'''. It is a large circular [[antenna (radio)|antenna]] array used for [[radio direction finding]]. ItThey wasare used by the military and government agencies to [[Triangulation|triangulate]] radio signals for radio navigation, intelligence gathering and, search and rescue, and enforcement of broadcasting laws. Because itstheir huge circular reflecting screenscreens looks like a circular fencefences, thesome antennaantennas hashave been colloquially referred to as the "''elephant cage.cages''". The term ''wullenwever'' was the World War II German [[Code name|cover term]] used to identify their secret CDAA research and development program; its name is unrelated to any person involved in the program.
Many such CDAA systems are used by many nations, such as the former [[Soviet Union]] and modern day [[Russia]], [[Germany]], the [[United Kingdom]], and the [[United States]], are still referred to as Wullenwebers.
