omnibearing indicator

[′äm·nə‚ber·iŋ ′in·də‚kād·ər] (engineering) An instrument providing automatic and continuous indication of omnibearing.

omnibearing indicator (OBI)

An indicator that gives bearing information by a pointer rotating over a fixed compass card or a rotating card against a fixed datum. VOR (very high frequency omnidirectional radio-range) bearings are magnetic bearings on an OBI, whereas the radio compass bearings appear as a relative bearing. Note: In the Northern Domestic Airspace in Canada and at high latitudes in other countries, VOR stations are oriented to true north rather than magnetic north.

单词	omnibearing indicator
释义	omnibearing indicator omnibearing indicator [′äm·nə‚ber·iŋ ′in·də‚kād·ər] (engineering) An instrument providing automatic and continuous indication of omnibearing. omnibearing indicator (OBI) An indicator that gives bearing information by a pointer rotating over a fixed compass card or a rotating card against a fixed datum. VOR (very high frequency omnidirectional radio-range) bearings are magnetic bearings on an OBI, whereas the radio compass bearings appear as a relative bearing. Note: In the Northern Domestic Airspace in Canada and at high latitudes in other countries, VOR stations are oriented to true north rather than magnetic north.
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