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\section{Visualization Tool Notes}  \section{Conversation notes}  \subsection{Engineering cost vs. Calibration cost}  Tricky because you can compensate antenna quality with software. So the equations must capture this trade off. \section{References}  Cost Equation for a Millimetre Wave Array  http://library.nrao.edu/public/memos/alma/memo006.pdf  Towards cost equation for a multi-element array  http://www.aoc.nrao.edu/evla/geninfo/memoseries/evlamemo29.ps.gz  Cost diameter curves  http://library.nrao.edu/public/memos/alma/memo022.pdf  Millimeter Array Cost Equation Correction  http://library.nrao.edu/public/memos/alma/memo055.pdf  Cost Benefit analysis for a number of MMA configurations for 30 10m antennas.  http://library.nrao.edu/public/memos/alma/memo199.pdf  Same as above, for 64 12m antennas  http://library.nrao.edu/public/memos/alma/memo265.pdf