Height finder

A height finder is a ground based aircraft altitude measuring device.

Early height finder implementations were optical devices and later migrated to radar devices. Devices combining both optics and radar were deployed by the U.S. Military.

单词	Height finder
释义	Height finder 英语百科 Height finder A height finder is a ground based aircraft altitude measuring device. Early height finder implementations were optical devices and later migrated to radar devices. Devices combining both optics and radar were deployed by the U.S. Military.
随便看	primary pure red cell aplasia primary purification primary purification circuit primary purpose primary purpose test primary purpura primary pustule primary putrefaction primary pyruvate kinase deficiency primary qrenching Primary Qualities Primary quality primary quality casting primary quantity Primary Quantum Number primary quenching primary quill primary quills primary rabbit kidney primary rachis branch primary rack Primary radar primary radial primary radials primary radiation