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Major factors affecting satellite reconnaissance capabilities
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acreage aerial photography agencies agricultural surveys application areas application of remote applications of aerial area data areal scope ASCS cameras characteristics Colwell cover crops crop and livestock crop identification crop vigor analysis cropping practices delineated Detailed soils detection developed disease electromagnetic spectrum experiments f-number farm Field mapping Field film-filter combinations flood focal length ground resolution Identification of crop identified image interpretation capabilities infeasible infrared photography land capability limited livestock major land mapping Field mapping measured meters Multiband photography multispectral sensing nonphotographic sensors objects and conditions observations obtained panchromatic film Panchromatic photography photographic imagery photographic interpretation techniques photographic sensors photographs taken plant possibly feasible potential agricultural applications Purdue Universities radar range conditions recording medium remote sensing resolution capabilities resolution requirements resolving power scale sensing from space sensor types soil surveys soils classification space altitudes space platforms spectral differences tion U.S. Department vegetation Weslaco wide-area coverage yield