Every aircraft.
Every second.
One clean signal.

# Every aircraft over the Bay Area, right now
curl https://api.radixwave.com/v1/aircraft \
  -G -d bbox=-122.6,37.2,-121.7,38.0 \
  -H "Authorization: Bearer $RADIXWAVE_KEY"

{
  "now": 1793750400.0,
  "aircraft": [{
    "hex": "a1b2c3",
    "flight": "SWA1234",
    "lat": 37.6189, "lon": -122.3750,
    "alt_baro": 4200, "gs": 212.4, "track": 281.0
  }]
}

// Subscribe to a region and apply deltas as they land
const ws = new WebSocket("wss://api.radixwave.com/v1/stream");

ws.onopen = () => ws.send(JSON.stringify({
  auth: process.env.RADIXWAVE_KEY,
  subscribe: { bbox: [-122.6, 37.2, -121.7, 38.0] },
  ack: true
}));

ws.onmessage = ({ data }) => {
  const frame = JSON.parse(data);
  applyDelta(frame);                 // upserts + removals
  ws.send(JSON.stringify({ ack: frame.seq }));
};