Experiment Summary Resolution/Frequencies: 5.5/3.5 arcmin @ 100/150GHz Sky Coverage: 60 sq deg centered on RA 5.5h, Dec -50 Telescope: Cassegrain (on axis reflector) Polarization Modulations: boresight rot., linear scan Detector type: PSB pairs Location: South Pole (ground) NEQ/U: NEQ 510/450 uK/sqrt(s) per pair at 100/150GHz 9/18 good pairs so divide by sqrt(4.5)/sqrt(9) for intrument NEQ/U of 240/150 uK/sqrt(s) Status: ran three seasons, decomissioned fall 2007 Results out: Instrument paper Hinderks et al arXiv:0805.1990, Results papers Pryke et al arXiv:0805.1944 and Brown et al arXiv:0906.1003