Sight Reduction Tables H.O. 249, Vol. 3: Latitudes 39-89

by National Imagery and Mapping Agency

CAD $44.95

Volume 3 of a 3-volume set covering latitudes 39-89. Precomputed tables of altitude and azimuth designed for the rapid reduction of astonomical sights in the air. Commonly used by marine navigators where their greater convenience offsets the less precise positional data derived. Good forever.

ISBN 10: 0970801025
ISBN 13: 9780970801029
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