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 6 seconds
Count 6 seconds.Flash white, once.Begin again.
- Characteristic
- Fl W 6s 36m 10M
- Height
- 36 m
- Nominal range
- 10 nmi = 19 km
- Type
- Landfall / major light
- Position
- 38.1981°N, 128.6134°E · East Sea coast

Lights nearby
- Jodo (조도 남서방등표)2 green flashes every 6 seconds · 651 m
- Jodo (조도 동방등표)6 quick white flashes + one long every 15 seconds · 836 m
- Sokcho (속초 조도 북방 등표)Continuous quick white flashes · 860 m
- Sokcho (속초 해변 수중방파제 E호 등표)4 yellow flashes every 8 seconds · 936 m
- Sokcho (속초 해수욕장 해양관측 등부표)5 yellow flashes every 20 seconds · 1.0 km
- Sokcho No D (속초해변 수중방파제 D호 등표)4 yellow flashes every 8 seconds · 1.0 km
- Sokcho Hang (속초항 북방파제 등대)One red flash every 4 seconds · 1.1 km
- Sokcho No C (속초해변 수중방파제 C호 등표)4 yellow flashes every 8 seconds · 1.2 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