The CLASSIC BULLSEYE program operates a half dozen circular antenna arrays to eavesdrop on radio signals. This is the array at the Naval Radio Station in San Diego.
Picture from the ground
Classic Bullseye listening antenna array
By romulusnr @ 2005-05-06 13:30:30
Anonymous
@ 2005-05-08 11:30:29
GPS has made this system obsolete...... this radio post has been abandodned for years.
kjfitz
@ 2005-07-17 21:25:01
Actually it was a HF-DF site. Used for direction finding. This site is still active. Used for intel work.
Anonymous
@ 2006-01-21 17:02:14
Radio amateurs have created a collection of large arrays spotted at Google Earth, please refer to http://www.df5ai.net/ArticlesDL/SatImages/ArrayImages.html
romulusnr
@ 2006-05-19 13:39:29
Classic Bullseye == HFDF.
romulusnr
@ 2006-05-19 17:03:58
This is an AN/FRD-10. http://www.fas.org/irp/program/collect/classic_bullseye.htm