MOD/A
Lamp
Every lantern carries a main LED tier and a standby array that takes over inside half a second. A dead diode is a ticket, never a dark night.
Changeover0.4 s
SYS/01 — NETWORK CONSOLE
Fourteen lights.
One night watch.
We keep the automated lighthouses of the Saltmark coast burning, inspected and answering — every night, sunset to sunrise, since the keepers came ashore in 1996.
LIVE / COAST CHARTRECEIVING
CHOOSE A LIGHT · ARROW KEYS STEP
01 / Lights in care
14
14 / 14 answering
02 / Coast watched
212nm
Gannet Head → Dunmere
03 / Lamp-hours, Sept
5,412
+ 41 h on August
04 / Dark nights since 2019
0
Last outage: 11 Feb 2019
SYS/02 — STATION ANATOMY
What keeps a light lit when nobody lives there.
MOD/B
Fog signal
Nine stations still sound in poor visibility. Sensors read the air every minute, and the horns answer when it drops below two nautical miles.
Visibility trigger< 2 nm
MOD/C
Power
Solar panels and sealed cells on the rocks, mains and cell on the headlands. Each station reports its charge to the watch room twice an hour.
Reserve on full cells9 nights
SYS/03 — WATCH ROOM
The lamps burn sunset to sunrise. October asks for 13.7 hours a night.
HOURS OF DARKNESS · 56°NOCT · 13.7 H
ANNUAL LAMP-HOURS / LIGHT4,383 H
NIGHT LOG · 01–02 OCT5 ENTRIES
- 02:14LT-09
Tarn Skerry main tier fault. Standby array took over in 0.4 s. Boat booked for Thursday.
- 00:52LT-05
Fog signal sounded for 38 min. Visibility 1.4 nm, clearing from the west.
- 23:30NET
Half-hourly check: 14 of 14 lights answering, all characters on time.
- 19:07NET
Sunset at Brannock. All lanterns lit within 90 s of each other.
- 16:40LT-12
Hagstone volunteers cleared gull nesting from the gallery rail.
SYS/04 — KEEPERS
The keepers went ashore. The upkeep didn't. Members pay for every lamp-hour.
TIER/01
Watch
£4/ month
Keeps one light lit for roughly two nights each month.
- Monthly watch-room letter
- Live network status
- Open-day invitations
TIER/02MOST CHOSEN
Keeper
£12/ month
Pays for the standby cells on one rock station each year.
- Everything in Watch
- Your name in the station log
- One boat visit a season
TIER/03
Station
£480/ year
Adopt a whole light: its lamp, its power and its upkeep.
- A named light on the network
- Quarterly inspection reports
- A night in the watch room