update the defualt altitude

README.md

@@ -135,7 +135,7 @@ See [README-Docker.md](README-Docker.md) for container deployment and [docs/](do
 
 * **Packet Analysis**: Detailed information on individual data packets transmitted within the network can be accessed, including payload content and transmission paths.
 
-* **Node Statistics**: Users can explore statistics related to network traffic, such as top contributors and message volumes. The highest-router map includes a minimum-altitude field (default 200 m above sea level) that immediately filters the top 50 routers shown.
+* **Node Statistics**: Users can explore statistics related to network traffic, such as top contributors and message volumes. The highest-router map includes a minimum-altitude field (default 500 m above sea level) that immediately filters the top 50 routers shown.
 
 Samples of currently running instances:
 

meshview/templates/stats.html

@@ -226,7 +226,7 @@
             <div class="altitude-map-controls">
                 <label class="altitude-map-filter" for="altitude-map-minimum">
                     <span data-translate-lang="minimum_altitude">{{ tr("Minimum altitude (m)") }}</span>
-                    <input id="altitude-map-minimum" type="number" value="200" step="1" required>
+                    <input id="altitude-map-minimum" type="number" value="500" step="1" required>
                 </label>
                 <button id="altitude-map-close" type="button" data-translate-aria-label="close_router_map" aria-label="Close router map">&times;</button>
             </div>