feat(sdr): local receivers — browser RTL-SDR, Local ADS-B layer and decoder feeds (#732)

Adds a Local ADS-B layer fed by your own receivers: a browser WebUSB
RTL-SDR (with FM listening) and local 1090/978 MHz decoder feeds
(LOCAL_RECEIVER_FEEDS, local and private addresses only). Local aircraft
draw in magenta with class, silhouettes, 3D models, trails and a position
sanity filter; the click card names the band and input that heard them.

Builds on Sameh Khamis's SDR prototype and the initial GEV port by
Mazeyar Moeini Feizabadi (#134); the decoder-feed design follows the
notes on #57. Closes #57.

Co-authored-by: Sameh Khamis <[email protected]>
Co-authored-by: Mazeyar Moeini Feizabadi <[email protected]>
This commit is contained in:
authored and GitHub committed 2026-09-23 16:00:53 -05:00
1 parent 143cffd7ca
commit 1fc795577a
78 files changed
+12267 -108

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@@ -8,6 +8,7 @@ import {
trailAnchorForModel,
} from '../../data/modelVisualAnchor.js';
import * as Cesium from 'cesium';
import { selectModelEligible } from '../../data/modelEligibility.js';
import { cockpitContactDotImage } from '../../data/cockpitContactDot.js';
import { aircraftIcon, TRACKED_ICON_PX } from '../../data/aircraftIcons.js';
import {
@@ -892,25 +893,11 @@ export function createRendering({
);
flightState._lastModelCapWarnMs = nowMs;
}
modelEligible = new Set();
for (const [icao, , inF] of cand) {
if (modelEligible.size >= cap) break;
if (inF && flightState._models.has(icao)) modelEligible.add(icao);
} // 1. KEEP on-screen
for (const [icao, d2, inF] of cand) {
if (modelEligible.size >= cap) break;
if (inF && d2 <= addDistSq && !modelEligible.has(icao))
modelEligible.add(icao);
} // 2. ADD on-screen
for (const [icao, , inF] of cand) {
if (modelEligible.size >= cap) break;
if (!inF && flightState._models.has(icao)) modelEligible.add(icao);
} // 3. KEEP off-screen (can't starve visible)
for (const [icao, d2, inF] of cand) {
if (modelEligible.size >= cap) break;
if (!inF && d2 <= addDistSq && !modelEligible.has(icao))
modelEligible.add(icao);
} // 4. ADD off-screen leftover
modelEligible = selectModelEligible(cand, {
cap,
addDistSq,
isModeled: (icao) => flightState._models.has(icao),
});
const toRelease = [];
for (const icao of flightState._models.keys()) {
if (icao !== flightState._trackedIcao && !modelEligible.has(icao))