Evolution of Small Aperture CMB Polarization Telescopes


BICEP1 -> BICEP2 -> SPUD (aka Keck aka SPICE)
BICEP1 2006-2008, BICEP2 2010-2012, SPUD 2011-2015

BICEP1/BICEP2 at DSL

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