United States of America As Represented by the Secretary of the Air Force

Robert I Suizu

Richard A Carreras

Morton B Jenks

Salvatore J Cusumano

A plurality of telescopes provide output return signals which are applied both directly and in sampled form to a photo-detector cell. The detected signals from the photo-detector will represent the constant and transient errors of the telescope system. A low pass filter insures that the tracker provides only the constant or D.C. component of the error, while a high pass filter insures that the existing measuring devices for each telescope beam provide only the transient or A.C. component of the error. The A.C. and D.C. error signals are summed together with the appropriate applied gains on each channel such that the sum reconstructs the original telescope position error with good fidelity.

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Albuquerque, NM, United States of America

Robert I Suizu