OSI VOR/DME: Woodside, CA · 113.90

The Woodside VOR/DME (OSI) transmits on 113.90 MHz, TACAN/DME channel 86X, from 2,270 ft MSL in Woodside, California. From the FAA’s NASR data (cycle 2026-09-03); check the current Chart Supplement and NOTAMs before you rely on it.

Station

Frequency113.90 MHz

TACAN/DME Channel86X

TypeVOR/DME

StatusRestrictedSee FAA Remarks

Elevation2,270 ft MSL

Magnetic Variation17°E1975 Epoch

Hours24 Hours

ARTCCOakland

Service Volume: VOR Low (VL)

Where the FAA protects this VOR’s signal off published routes (AIM 1-1-8). Heights are above the transmitter, not MSL. Published routes and procedures can use a VOR beyond these limits, and the remarks below can narrow them.

1,000 ft to 5,000 ft ATH40 NM

5,000 ft to 18,000 ft ATH70 NM

FAA Remarks

VOR UNUSBL 030-050 BYD 15 NM; 055-067 BYD 40 NM BLW 14500 FT; 076-081 BYD 40 NM; 111-123 BYD 40 NM BLW 18000 FT; 141-156 BYD 40 NM; 215-231 BYD 40 NM; 225-305 BYD 20 NM BLW 9000 FT; 232-243 BYD 40 NM BLW 18000 FT; 257-279 BYD 40 NM; 280-290 BYD 40 NM BLW 18000 FT; 291-309 BYD 40 NM; 315-320 BYD 40 NM; 330-350 BLW 11000 FT; 351-354 BYD 40 NM.
DME UNUSBL 160-350 BLW 11000 FT; 190-230 BYD 20 NM BLW 13000 FT; 230-350 BYD 20 NM.

Verbatim from NASR. Radials are magnetic, from the station. UNUSBL = Unusable · BYD = Beyond · BLW = Below.

VOR Receiver Checkpoints

For the 30-day VOR check under 14 CFR 91.171: within 4° at a ground checkpoint, 6° at an airborne one.

Ground · R-009HWD17.7 NM ON RUNUP AREA RWY 28L.

Public Airports Within 40 NM

Each field’s radial and distance from OSI, using the station’s own 17°E alignment.

KSQL San Carlos AirportSan CarlosR-354 · 7.4 NM KPAO Palo Alto AirportPalo AltoR-046 · 8.9 NM KHAF Half Moon Bay AirportHalf Moon BayR-288 · 13 NM KSFO San Francisco International AirportSan FranciscoR-325 · 14 NM KSJC Norman Y. Mineta San Jose International AirportSan JoseR-079 · 17 NM KHWD Hayward Executive AirportHaywardR-008 · 18 NM KOAK San Francisco Bay Oakland International AirportOaklandR-351 · 20 NM KRHV Reid-Hillview Airport of Santa Clara CountySan JoseR-082 · 22 NM

Nearby VORs

SFO San FranciscoVOR/DME · 115.80 · R-325 · 14 NM SJC San JoseVOR/DME · 114.10 · R-077 · 16 NM OAK OaklandVOR/DME · 116.80 · R-351 · 20 NM SAU SausalitoVOR/DME · 116.20 · R-321 · 30 NM CCR ConcordVOR/DME · 117.00 · R-359 · 41 NM SGD Scaggs IslandVORTAC · 112.10 · R-338 · 47 NM

More VORs in California, or plan a route through OSI in the Route Planner.

OSI VOR/DME · Woodside