Satellite intelligence for the places records miss
Every community has a signal.
We built the receiver.
Delos measures flooding, forest loss, construction and crop stress anywhere on Earth from open satellite radar — then puts the evidence, the confidence, and the method in one place you can send to a funder.
What Delos measures
Every measurement runs on the same free radar archive, over whatever region you put on the globe, across whatever dates you choose.
Flooding
Standing water that was not there last week, mapped through storm cloud.
Forest loss
Canopy cleared since last year, against a rolling 12-month baseline.
New construction
Settlement growth and new built surface no register has captured yet.
Crop health
How vigorous the vegetation is, field by field, even under cloud.
Anything that changed
A general sweep for ground that shifted sharply between two dates.
The coverage gap
Where the official broadband, health and hazard record disagrees with the ground.
Why radar, and not photographs?
Cloud
It sees through weather
Optical satellites go blind at exactly the wrong moment: floods arrive with storms, fires arrive with smoke. Radar microwaves pass straight through both.
Darkness
It works at night
A radar satellite brings its own illumination. It sends a pulse and measures the echo, so midnight looks the same as noon.
Everywhere
It is free, and it is global
Sentinel-1 covers the whole planet every 6 to 12 days, and the data is open. Delos makes it usable without a remote-sensing degree.
The physics in one paragraph: the satellite pings the ground with microwaves from 700 km up and records how much energy bounces back. Smooth open water reflects the pulse away, so floods read as sudden dark patches. Buildings and machinery bounce it straight back, so they read bright. Every Delos measurement is a different way of asking what changed in that echo — and every result comes paired with an ordinary colour photograph so you never have to take the radar’s word for it.
How a place becomes an answer
- 1
You name a place
Any place on Earth — a district, a city, a country, an address, or a pair of coordinates. The globe flies there at a distance that matches what you asked for.
- 2
Delos shows what data covers it
The satellite instruments are global. The US federal datasets are not. Delos states which layers apply to your region before you read a single number, and greys out the rest rather than filling the gap with a guess.
- 3
You run a measurement
Pick what to look for and a date range. Delos filters the Sentinel-1 archive over your view, builds a baseline from the period before it, and measures the difference.
- 4
You get an answer you can defend
An area in km², a confidence score, one plain sentence about what changed, matching before-and-after photographs, and the full method and citation attached to it.
What we will not do
Delos never invents data for your region
Global, everywhere
Sentinel-1 radar, Sentinel-2 photographs, NASA GRACE-FO groundwater, NASA FIRMS fire detections and the USGS earthquake catalogue cover the whole planet. Every measurement Delos runs is built on these.
United States only
Census ACS, CDC PLACES, FCC broadband, EPA EJScreen and FEMA declarations are published by US federal agencies and stop at the US border. Outside the US, Delos greys those layers out and tells you why — it does not estimate them, and it does not quietly leave a panel blank.
The globe resolves the country under your camera and shows you the coverage list for that region before you read a number. It is the first thing the walkthrough teaches, because trusting a tool means knowing where it stops.
Who this is for
Program leads and grant writers
Evidence for a proposal, with the instrument, dates and resolution already written out. Copy the result and its methodology in one click.
Field and response teams
A measurement of what happened, days after it happened, anywhere — including places with no ground reporting and no working network.
Funders and evaluators
An independent read on a region, from public data, that does not depend on the self-reporting it is meant to check.
Every view in Delos has a link. Fly to a region, run a measurement, copy the link, and whoever opens it lands on exactly that region with exactly that analysis loaded. No account, no setup, no walkthrough required on their end.
The globe is waiting.
A short walkthrough is built in, and it ends by flying you to the region you actually work in.
Open Delos