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ALMA Memo # 509


G/T at 243 GHz for the ALMA Telescope



G. A. Ediss

2004-11-23


Abstract: A (limited) student version of GRASP [1] was used to analyze the gain/system temperature (G/T) at 243 GHz for the ALMA telescope. It shows an optimum edge taper of between -12 dB and -14 dB at the secondary mirror, with the telescope pointing at the zenith, for the Band 6 receiver.

View a pdf version of ALMA Memo #509.


Last modified: 2005-01-27

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