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Title: RADIO ALTIMETERS

A radio ranging device is described which utilizes a superregenerative oscillator having alternate sending and receiving phases with an intervening ranging interval between said phases, means for varying said ranging interval, means responsive to an on-range noise reduction condition for stopping said means for varying the ranging interval and indicating means coupled to the ranging interval varying means and calibrated in accordance with one-half the product of the ranging interval times the velocity of light whereby the range is indicated.
Authors:
Publication Date:
OSTI Identifier:
4112611
Report Number(s):
US 2961652
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-61
Research Org:
Originating Research Org. not identified
Country of Publication:
United States
Language:
English
Subject:
ENGINEERING AND EQUIPMENT; ATMOSPHERE; LEVELS; MEASURED VALUES; OSCILLATORS; RADIO WAVES