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Fig. 6.2 The day-night interruptions of solar oscillations introduce a forest of spurious oscillation peaks. The bottom panel shows the spectrum that one year of observations from a single site might produce the top panel shows the spectrum produced from an unbroken series of observations over one year. The comparison speaks for itself. a list of candidate sites would have to be tested for several years to make an informed choice. The amount of data such a network would produce was staggering....