홈 > Term: radioaltimeter
radioaltimeter
Equipment carried in survey aircraft to ensure constant height above ground (not sea) level of 300 ft or 500 ft (91.4 m or 152.4 m)--a critical factor in certain airborne geophysical prospecting and aerial mapping surveys.
- 품사: noun
- 분야/도메인: 광업
- 카테고리: 일반 광산; Mineral mining
- Government Agency: USBM
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- ed.young
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(Milwaukee, United States)