The Cosmic Background Imager

1999 January 6


Left: 3-element system (receivers, correlator) undergoing lab tests.
Right: Calibration noise source and distributor.


Left: John Cartwright assembling downconverter modules.
Right: Hydraulic dome closure mechanism.


New elevation bearings.

Tim Pearson (tjp·astro.caltech.edu), 1999 January 6