diff --git a/public/hop-resolver.js b/public/hop-resolver.js
index 8cad87f0..8be5ee91 100644
--- a/public/hop-resolver.js
+++ b/public/hop-resolver.js
@@ -81,8 +81,11 @@ window.HopResolver = (function() {
   function resolve(hops, originLat, originLon, observerLat, observerLon, observerId) {
     if (!hops || !hops.length) return {};
 
+    console.log('[HopResolver] resolve:', { hops, originLat, originLon, observerId, iataCoords: Object.keys(iataCoords).length, observers: Object.keys(observerIataMap).length });
+
     // Determine observer's IATA for regional filtering
     const packetIata = observerId ? observerIataMap[observerId] : null;
+    if (observerId) console.log('[HopResolver] observer:', observerId.slice(0,12), '→ IATA:', packetIata);
 
     const resolved = {};
     const hopPositions = {};
diff --git a/public/index.html b/public/index.html
index 0577d1f3..c250cd22 100644
--- a/public/index.html
+++ b/public/index.html
@@ -82,7 +82,7 @@
   <script src="vendor/qrcode.js"></script>
   <script src="roles.js?v=1774325000"></script>
   <script src="region-filter.js?v=1774325000"></script>
-  <script src="hop-resolver.js?v=1774221120"></script>
+  <script src="hop-resolver.js?v=1774223093"></script>
   <script src="hop-display.js?v=1774221932"></script>
   <script src="app.js?v=1774126708"></script>
   <script src="home.js?v=1774042199"></script>