diff --git a/examples/sky-shell/src/se/sics/contiki/collect/CollectServer.java b/examples/sky-shell/src/se/sics/contiki/collect/CollectServer.java
index 4ce44b647..435ed1aa5 100644
--- a/examples/sky-shell/src/se/sics/contiki/collect/CollectServer.java
+++ b/examples/sky-shell/src/se/sics/contiki/collect/CollectServer.java
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: CollectServer.java,v 1.25 2010/10/10 22:39:09 nifi Exp $
+ * $Id: CollectServer.java,v 1.26 2010/10/12 11:38:34 adamdunkels Exp $
  *
  * -----------------------------------------------------------------
  *
@@ -34,8 +34,8 @@
  *
  * Authors : Joakim Eriksson, Niclas Finne
  * Created : 3 jul 2008
- * Updated : $Date: 2010/10/10 22:39:09 $
- *           $Revision: 1.25 $
+ * Updated : $Date: 2010/10/12 11:38:34 $
+ *           $Revision: 1.26 $
  */
 
 package se.sics.contiki.collect;
@@ -312,7 +312,7 @@ public class CollectServer implements SerialConnectionListener {
             return data.getLight2();
           }
         },
-        new TimeChartPanel(this, NETWORK, "Neighbors (Over Time)", "Neighbor Count", "Time", "Neighbors") {
+        new TimeChartPanel(this, NETWORK, "Neighbors", "Neighbor Count", "Time", "Neighbors") {
           {
             ValueAxis axis = chart.getXYPlot().getRangeAxis();
             ((NumberAxis)axis).setAutoRangeIncludesZero(true);
@@ -323,6 +323,17 @@ public class CollectServer implements SerialConnectionListener {
             return data.getValue(SensorData.NUM_NEIGHBORS);
           }
         },
+        new TimeChartPanel(this, NETWORK, "Beacon Interval", "Beacon interval", "Time", "Interval (s)") {
+          {
+            ValueAxis axis = chart.getXYPlot().getRangeAxis();
+            ((NumberAxis)axis).setAutoRangeIncludesZero(true);
+            axis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
+            setMaxItemCount(defaultMaxItemCount);
+          }
+          protected double getSensorDataValue(SensorData data) {
+            return data.getValue(SensorData.BEACON_INTERVAL);
+          }
+        },
         new TimeChartPanel(this, NETWORK, "Network Hops (Over Time)", "Network Hops", "Time", "Hops") {
           {
             ValueAxis axis = chart.getXYPlot().getRangeAxis();