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Published online by Cambridge University Press: 31 January 2003
In this second lecture I review some of the practical considerations associated with developing and implementing ground-based interferometry at optical and near-infrared wavelengths. Familiarity with these logistical concerns is relevant not only for understanding how arrays such as the VLTI actually operate but also for identifying the most important questions that need to addressed when planning a campaign of interferometric observations. I outline some of the strategies that have been adopted to address these issues and point to some areas ripe for future development.