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.
Famous quotes containing the word height:
“The most stupendous scenery ceases to be sublime when it becomes distinct, or in other words limited, and the imagination is no longer encouraged to exaggerate it. The actual height and breadth of a mountain or a waterfall are always ridiculously small; they are the imagined only that content us.”
—Henry David Thoreau (1817–1862)
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