Lexington MA: Massachusetts Institute of Technology, 1993. Magazine. 227p., printed on coated paperstock with profuse color and b&w diagrammatic and photographic illustrations, charts with spot-color highlights, mathematical formulae in the text. Softbound magazine, 11x8.5 inches, entirely sound and clean, a near-fine copy. Radar interpretation, mostly air to ground. No mention of satellite platforms. Doubtless obsolete, but a signpost on the way to licenseplate reading at 200 miles up, and to current fascination with facial recognition and self-driving autos.