Insights & Research
Explore the questions behind airspace understanding.
Short, careful notes on method, uncertainty and architecture, each stating what it does not establish.
The library.
Short, dated articles that explain how we reason. Each one shows its type, its evidence level, the status of its data and the date of its last review.
Unknown Is Not Zero: Reading Airspace Without False Reassurance
Why an empty display must never be read as an empty sky, and how a state can say what it does not know.
Known Then, Known Now: Why a Replay Must Not Rewrite the Past
A replay is useful only if it shows what was known at the time, not what we learned afterwards.
Passive Radar as One Layer Among Many
Passive coherent location earns its place by joining other sources, not by standing alone.
Corrections policy.
When we get something wrong we correct it in the article and add a dated note to its update history. We do not quietly rewrite. If you find an error, tell us.