Listen down the column.

Cairn is the console for instruments that observe more than they speak. Every reading stacks on one descending line — the surface loud, the deep in pings — and you read it like a core pulled from the ice.

STATION HOLLOW-7 · 78°27′S
SURFACE 0 mICE BASE −610 mSET DEPTH −880 m
SURFACE0 m

How Cairn reads

The interface is a descent, not a dashboard.

There is no grid of equal tiles. There is a line, and depth marked along it. Each stratum is a register; readings hang where they were taken; the deepest reading is read last. Importance is position on the column, never colour.

01 · SPINE

The depth spine

A continuous ruled axis runs the whole page, every reading pinned to its true depth.

02 · PLUMB

The plumb line

One luminous line descends through every stratum — the cast, made visible.

03 · STRATA

Stacked strata

Full-width bands, loud up top and dense below, read top to bottom.

FIRN−120 m

Built for the quiet instruments

Stations that watch the dark.

Sub-glacial lakes, drift buoys frozen into pack ice, ice-core rigs, under-ice hydrophone arrays. Cairn was made for the readings that arrive slowly and matter a great deal.

1.2km
deepest cast
12probes
on one line
−2.04°C
column temp
4,128
casts logged
ICE BASE−610 m

In the field

"We caught the meltwater tongue at six-hundred metres because Cairn drew it where it happened — on the line, at depth, not in a chart that forgot the column."

— Field log, Hollow-7 over-winter team

Start a station

Drop your first sounding.