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3 mm Continuum Receiver

This receiver, operating with a Millitech Schottky mixer, is installed in line with the 4th mirror, behind the polarization rotator. It can be used simultaneously with either the 2 mm (or 230G2) receiver or a guest receiver.

The Continuum receiver can only be used for pointing. Continuum sources of 0.8 Jy (at 86 GHz) can be used for pointing checks; there are approximately 120 continuum sources catalogued. The Continuum receiver is normally aligned within 2 of the other receivers.

Figure: Performance of the 2mm SIS receiver

Robert Lucas
Thu Mar 9 14:24:13 MET 1995