diff --git a/meshview/templates/map.html b/meshview/templates/map.html
index 146fc8c..1810041 100644
--- a/meshview/templates/map.html
+++ b/meshview/templates/map.html
@@ -199,6 +199,19 @@ loadTranslations().then(async () => {
         return 'Unknown';
     }
 
+    async function fetchAdditionalChannels() {
+        try {
+            const res = await fetch('/api/channels?period_type=day&length=30');
+            if (!res.ok) return [];
+            const data = await res.json();
+            if (!data || !Array.isArray(data.channels)) return [];
+            return data.channels.filter(ch => typeof ch === 'string' && ch.trim().length > 0);
+        } catch (err) {
+            console.error('Channel list fetch failed:', err);
+            return [];
+        }
+    }
+
     const nodeMap = new Map();
     nodes.forEach(n => nodeMap.set(n.id, n));
     function isInvalidCoord(node) { return !node || !node.lat || !node.long || node.lat===0 || node.long===0 || Number.isNaN(node.lat) || Number.isNaN(node.long); }