From 7b15a0eb9ce5f576f85f31cdfe6ba4cc24d8cba9 Mon Sep 17 00:00:00 2001
From: Tanner Collin <git@tannercollin.com>
Date: Wed, 1 Apr 2026 12:32:21 -0600
Subject: [PATCH] feat: Add WSPR telemetry decoding and fix module paths

Co-authored-by: aider (gemini/gemini-2.5-pro) <aider@aider.chat>
---
 index.js         | 40 +++++++++++++++++++++++++++++++++++-----
 js/WsprSearch.js |  6 +++---
 2 files changed, 38 insertions(+), 8 deletions(-)

diff --git a/index.js b/index.js
index 7ddbf44..633950a 100644
--- a/index.js
+++ b/index.js
@@ -1,8 +1,9 @@
 import { QuerierWsprLive } from './js/QuerierWsprLive.js';
+import { WSPREncoded } from './js/WSPREncoded.js';
 
 // This function reuses your existing code to perform the same search
-// as the wspr.live URL you provided.
-async function fetchWsprData() {
+// as the wspr.live URL you provided, then decodes the telemetry.
+async function fetchAndDecodeWsprData() {
     const querier = new QuerierWsprLive();
 
     // Parameters from your query URL:
@@ -16,9 +17,38 @@ async function fetchWsprData() {
     const results = await querier.SearchRegularType1(band, min, callsign, timeStart, timeEnd);
     
     console.log(`Found ${results.length} records.`);
-    console.log(results);
     
-    return results;
+    const positions = [];
+    for (const record of results) {
+        // Decode telemetry from grid and power
+        const telemetry = WSPREncoded.DecodeU4BGridPower(record.grid4, record.powerDbm);
+        
+        if (telemetry.msgType === 'standard') {
+            // If it's standard telemetry, decode callsign for fine-grained location
+            const [grid56, altitudeMeters] = WSPREncoded.DecodeU4BCall(record.callsign);
+            
+            const fullGrid = record.grid4 + grid56;
+            
+            // Convert Maidenhead grid to latitude and longitude
+            const [lat, lng] = WSPREncoded.DecodeMaidenheadToDeg(fullGrid);
+            
+            positions.push({
+                time: record.time,
+                callsign: record.callsign,
+                grid: fullGrid,
+                lat: lat,
+                lng: lng,
+                altitude: altitudeMeters,
+                powerDbm: record.powerDbm,
+                rxBy: record.rxCallsign,
+            });
+        }
+    }
+    
+    console.log(`Decoded ${positions.length} positions.`);
+    console.log(positions);
+
+    return positions;
 }
 
-fetchWsprData();
+fetchAndDecodeWsprData();
diff --git a/js/WsprSearch.js b/js/WsprSearch.js
index 17c9fa8..938a60d 100644
--- a/js/WsprSearch.js
+++ b/js/WsprSearch.js
@@ -6,7 +6,7 @@ See the /faq/tos page for details.
 (If this generated header is stamped on a file which is a 3rd party file or under a different license or copyright, then ignore this copyright statement and use that file's terms.)
 */
 
-import * as utl from '/js/Utl.js';
+import * as utl from './Utl.js';
 
 import { Base } from './Base.js';
 import { CandidateFilterByBadTelemetry } from './CandidateFilterByBadTelemetry.js';
@@ -19,9 +19,9 @@ import { CodecHeartbeat } from './CodecHeartbeat.js';
 import { CodecExpandedBasicTelemetry } from './CodecExpandedBasicTelemetry.js';
 import { CodecHighResLocation } from './CodecHighResLocation.js';
 import { QuerierWsprLive } from './QuerierWsprLive.js';
-import { WSPR } from '/js/WSPR.js';
+import { WSPR } from './WSPR.js';
 import { WsprCodecMaker } from '/pro/codec/WsprCodec.js';
-import { WSPREncoded } from '/js/WSPREncoded.js';
+import { WSPREncoded } from './WSPREncoded.js';
 import { WsprMessageCandidate, NonRejectedOnlyFilter } from './WsprMessageCandidate.js';
 import { WsprSearchResultDataTableBuilder } from './WsprSearchResultDataTableBuilder.js';