Proceedings of the Particle Physics and Early Universe Conference (PPEUC).
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7 Conclusions 

CMB experiments using amplifiers in the 15-90 GHz frequency range have provided significat results on all angular scales using both beam-switching and interferometric techniques. Interferometers, which so far have given results on smaller angular scales ( to ), are poised to move into the crucial regime of where the detail of the Doppler peaks is expected to resolve many astrophysical problems. However, foregrounds remain a problem. The relatively small frequency range available to HEMTs exacts a heavy price in signal-to-noise of subtraction of diffuse foregrounds, and point sources demand simultaneous, high-resolution observations to complement the CMB data.

PPEUC Proceedings
Fri Jul 4 11:20:15 BST 1997