KOEN
Bido (비도등대) in the middle, with the lights within 20 km, in their listed colours.
Bido (비도등대) — light characteristic, height, range
2 white flashes every 6 seconds
Count 6 seconds.Flash white, 2 times.Begin again.
- Characteristic
- Fl(2) W 6s 29m 10M
- Height
- 29 m
- Nominal range
- 10 nmi = 19 km
- Type
- Landfall / major light
- Position
- 34.5676°N, 125.9123°E · West Sea coast

Lights nearby
- Uido No G (우이도 신안풍력 G호 등부표)4 yellow flashes every 8 seconds · 2.6 km
- Uido No H (우이도 신안풍력 H호 등부표)4 yellow flashes every 8 seconds · 3.9 km
- Uido No F (우이도 신안풍력 F호 등부표)4 yellow flashes every 8 seconds · 4.0 km
- Uido No K (우이도 신안풍력 K호 등부표)4 yellow flashes every 8 seconds · 4.9 km
- Sindo (신도등대)One white flash every 5 seconds · 5.2 km
- Uido No J (우이도 신안풍력 J호 등부표)4 yellow flashes every 8 seconds · 5.3 km
- Uido No E (우이도 신안풍력 E호 등부표)4 yellow flashes every 8 seconds · 5.6 km
- Uido No L (우이도 신안풍력 L호 등부표)4 yellow flashes every 8 seconds · 6.9 km
Not for navigation. Use official NOAA charts and USCG Local Notices to Mariners.
Real periods; the phase is reconstructed from a fixed clock (real lights don't keep time with each other).
Sources: KHOA light list (국립해양조사원 등대표) (opens in a new tab) · Checked