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单词 Middle marker
释义

Middle marker

英语百科

Marker beacon

(重定向自Middle marker)
Locator outer marker (LOM), a low frequency radio beacon, colocated with an
Middle marker antenna at KONT

A marker beacon is a particular type of VHF radio beacon used in aviation, usually in conjunction with an instrument landing system (ILS), to give pilots a means to determine position along an established route to a destination such as a runway.

According to Article 1.107 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR) a marker beacon is defined as A transmitter in the aeronautical radionavigation service which radiates vertically a distinctive pattern for providing position information to aircraft.

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