kuba/fm-dx-webserver
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some changes

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kuba
2026-03-21 15:18:46 +01:00
parent 2a1cf2b3f5
commit f17e845c1d
14 changed files with 54 additions and 34 deletions
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server/tx_search.js
+6 -4
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@@ -26,7 +26,6 @@ const WebSocket = require('ws');
// Get weighting values based on algorithm setting.
// Defaults = algorithm 1
let weightedErp = 10;
let weightedDist = 400;
const algorithms = [
[10, 400],
[30, 500],
@@ -268,7 +267,11 @@ async function fetchTx(freq, piCode, rdsPs) {
if (filteredLocations.length > 1) {
const extraFilteredLocations = filteredLocations.map(locData => ({
...locData,
stations: locData.stations.filter(station => (station.ps?.toLowerCase() === rdsPs.replace(/ /g, '_').toLowerCase()))
stations: locData.stations.filter(station =>
station.ps?.toLowerCase().includes(
rdsPs.replace(/ /g, '_').toLowerCase()
) ?? false
)
})).filter(locData => locData.stations.length > 0);
if (extraFilteredLocations.length > 0) filteredLocations = extraFilteredLocations;
@@ -370,8 +373,7 @@ function haversine(lat1, lon1, lat2, lon2) {
const y = Math.sin(dLon) * Math.cos(deg2rad(lat2));
const x = Math.cos(deg2rad(lat1)) * Math.sin(deg2rad(lat2)) - Math.sin(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * Math.cos(dLon);
const azimuth = Math.atan2(y, x);
const azimuthDegrees = (azimuth * 180 / Math.PI + 360) % 360;
const azimuthDegrees = (Math.atan2(y, x) * 180 / Math.PI + 360) % 360;
return {
distanceKm: distance,