Observations at a wavelength of 3 mm (86–102 GHz) started in October 2006, and the detections of six clusters by the Sunyaev-Zel'dovich effect were announced in 2008.
Observationer av 3 millimeters våglängder (86-102 GHz) inleddes i oktober 2006 och upptäckten av sex kluster med Sunyaev-Zeldovich-effekten aviserades under 2008.