OSI Woodside VORTAC (navigation beacon)

 antenna, radio beacon

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Woodside VORTAC is an aviation navigation beacon 14 nm south east of San Francisco International Airport.

OSI
WOODSIDE VORTAC
WOODSIDE, CA

Location
Lat/Long: 37-23-32.998N / 122-16-52.678W (37.3924994/-122.2812994)
Elevation: 2270 ft.
Variation: 17E (1965)

Operational Characteristics
Type: VORTAC
Class: L-VORTACW
Frequency: 113.90
TACAN channel: 086X
Altitude code: L (low)
Use at high altitude: yes
Hours of operation: 24
Voice: no
Morse ID: --- ... ..
NOTAM facility: OAK
FSS:
FSS hours of operation: 24

Technical Characteristics

Accuracy: NOS
Monitoring: Internal monitoring plus status indicator
at control point
Owner: FEDERAL AVIATION ADMIN
Operator: FEDERAL AVIATION ADMIN
Common system usage: yes
For public use: yes

See also: airnav.com/cgi-bin/navaid-info?id=OSI&type=VORTAC&name=...

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 sometimes a voice identifier), and data that allows the airborne receiving equipment to derive a magnetic bearing from the station to the aircraft (direction from the VOR station in relation to the Earth's magnetic North at the time of installation).

TACtical Air Navigation, or TACAN, is a navigation system used by military aircraft. It provides the user with a distance and bearing from a ground station. It is a more accurate version of the VHF omnidirectional range / Distance Measuring Equipment (VOR/DME) system that provides range and bearing information for civil aviation. At VORTAC facilities, the DME portion of the TACAN system is available for civil use.