Evolution of Small Aperture CMB Polarization Telescopes


BICEP1 -> BICEP2 -> SPUD (aka Keck)
(BICEP2 and SPUD running concurrently in 2011/12 winters)

BICEP1/BICEP2 at DSL

SPUD at MAPO on mount (platform) originally built for DASI (and then used for QUaD)