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230 G2 Receiver

In the last issue of the Newsletter it was announced that the G2 receiver covers the frequency band from 202 to 245 GHz. Through changes in the local oscillator system we have been able to extend the frequency coverage up to 268 GHz (there is an astrophysically interesting line at 267.5 GHz). The receiver noise temperature at this frequency is on the order of 400 K (SSB). One should take into account that the newly installed G2 mixer was not designed to work at such high frequencies.



Robert Lucas
Thu Mar 9 14:36:33 MET 1995