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Bruce Elsmore coauthored the account of the Cambridge One-Mile radio telescope's operation. The instrument used separated antennas and Earth rotation to sample an extended effective aperture rather than constructing a single filled reflector of that diameter.

The measured correlations constrain spatial structure through aperture synthesis. Obtaining an image requires combining the samples with their baseline geometry and a consistent calibration. The operational paper records the practical link between this mathematical reconstruction and a functioning astronomical instrument.^[ref]