KOEN
Jodo (조도등대) in the middle, with the lights within 20 km, in their listed colours.
Jodo (조도등대) — light characteristic, height, range
One white flash every 4 seconds
Count 4 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 4s 55m 10M
- Height
- 55 m
- Nominal range
- 10 nmi = 19 km
- Visible sector
- W 066°∼331°(265°)
- Type
- Landfall / major light
- Position
- 34.7554°N, 128.4244°E · South Sea coast

Lights nearby
- Hangnimdo (학림도 동방등표)6 quick white flashes + one long every 15 seconds · 1.2 km
- Mulgaemaeul (물개마을 삼정 B호 등부표)4 yellow flashes every 8 seconds · 1.5 km
- Hangnim Hang (학림항 방파제 등대)One green flash every 4 seconds · 1.6 km
- Mulgaemaeul (물개마을 삼정 A호 등부표)4 yellow flashes every 8 seconds · 1.6 km
- Jeodo (저도등표)2 white flashes every 5 seconds · 3.1 km
- Gaksuseo (각수서등표)2 white flashes every 5 seconds · 3.2 km
- Yeondae Hang (연대항 방파제 등대)One red flash every 4 seconds · 3.3 km
- Tongyeong (통영 부소파제 동단 등주)One green flash every 4 seconds · 3.6 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