KOEN
Geomado (거마도등대) in the middle, with the lights within 20 km, in their listed colours.
Geomado (거마도등대) — light characteristic, height, range
One white flash every 4 seconds
Count 4 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 4s 50m 7M
- Height
- 50 m
- Nominal range
- 7 nmi = 13 km
- Visible sector
- W 090°∼045°(315°)
- Type
- Landfall / major light
- Position
- 34.2291°N, 125.9909°E · West Sea coast

Lights nearby
- Gochiseo (고치서등표)6 quick white flashes + one long every 15 seconds · 4.3 km
- Saewol (세월등부표)One yellow flash every 5 seconds · 4.3 km
- Haesuseo (해수서등표)2 white flashes every 10 seconds · 5.2 km
- Donggeochado (동거차도등표)2 green flashes every 6 seconds · 5.8 km
- Yeonchulseo (연출서 남방등표)6 quick white flashes + one long every 15 seconds · 6.6 km
- Seogeochado (서거차도등대)One white flash every 6 seconds · 6.8 km
- Seogeocha Hang E Breakwater (서거차항 동방파제 등대)One red flash every 4 seconds · 7.2 km
- Seogeocha Hang (서거차항 돌제부두 등주)One yellow flash every 6 seconds · 7.2 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