Invercargill VOR-DME (ID: NV)

 DME - distance measuring equipment, VOR - VHF omni-directional radio range

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Note: image is misaligned (Sep 2008), pointing at beacon on current image. Coordinates below are valid.

Coordinates: -46.411561 168.317608
Elevation (feet): 5
Frequency (MHz): 116.80
Range(nm): 50
Slaved Variation: 24
Name: Invercargill VOR-DME (ID: NV)

This beacon is a VOR combined with DME transmitter used in aviation navigation.

VOR, short for VHF Omni-directional Radio Range, is a type of radio navigation system for aircraft. VORs broadcast a VHF radio composite signal including the station's morse code identifier and data that allows the airborne receiving equipment to derive a magnetic bearing from the station to the aircraft.

Distance Measuring Equipment (DME) is a transponder-based radio navigation technology that measures distance by timing the propagation delay of VHF or UHF radio signals.