diff --git a/examples/sky/ViewRSSI.java b/examples/sky/ViewRSSI.java
index 019dc2d18..d7703e1b1 100644
--- a/examples/sky/ViewRSSI.java
+++ b/examples/sky/ViewRSSI.java
@@ -13,77 +13,79 @@
 import javax.swing.*;
 import java.awt.*;
 import java.io.*;
+
+
 public class ViewRSSI extends JPanel {
-
-  private int[] rssi = new int[80];
-  private int[] rssiMax = new int[80];
-
-  /* this is the max value of the RSSI from the cc2420 */
-  private static final int RSSI_MAX_VALUE = 200;
-
-  public ViewRSSI() {
-  }
-
-  public void paint(Graphics g) {
-    int h = getHeight();
-    int w = getWidth();
-    double factor = (h - 20.0) / RSSI_MAX_VALUE;
-    double sSpacing = (w - 15 ) / 80.0;
-    int sWidth = (int) (sSpacing - 1);
-    if (sWidth == 0) sWidth = 1;
-
-    g.setColor(Color.white);
-    g.fillRect(0, 0, w, h);
-
-    g.setColor(Color.gray);
-    double xpos = 10;
-    for (int i = 0, n = rssi.length; i < n; i++) {
-      int rssi = (int) (rssiMax[i] * factor);
-      g.fillRect((int) xpos, h - 20 - rssi,
-		 sWidth, rssi + 1);
-      xpos += sSpacing;
-    }
-
-    g.setColor(Color.black);
-    xpos = 10;
-    for (int i = 0, n = rssi.length; i < n; i++) {
-      int rssiVal = (int) (rssi[i] * factor);
-      g.fillRect((int) xpos, h - 20 - rssiVal,
-		 sWidth, rssiVal + 1);
-      xpos += sSpacing;
-    }
-  }
-
-  private void handleInput() throws IOException {
-    BufferedReader reader =
-      new BufferedReader(new InputStreamReader(System.in));
-    while(true) {
-      String line = reader.readLine();
-      if (line.startsWith("RSSI:")) {
-	try {
-	  String[] parts = line.substring(5).split(" ");
-	  for (int i = 0, n = parts.length; i < n; i++) {
-	    rssi[i] = 3 * Integer.parseInt(parts[i]);
-	    if (rssi[i] > rssiMax[i]) rssiMax[i] = rssi[i];
-	    else if (rssiMax[i] > 0) rssiMax[i]--;
-	  }
-	} catch (Exception e) {
-	  /* report but do not fail... */
-	  e.printStackTrace();
+	
+	private int[] rssi = new int[80];
+	private int[] rssiMax = new int[80];
+	
+	/* this is the max value of the RSSI from the cc2420 */
+	private static final int RSSI_MAX_VALUE = 200;
+	
+	public ViewRSSI() {
+	}
+	
+	public void paint(Graphics g) {
+		int h = getHeight();
+		int w = getWidth();
+		double factor = (h - 20.0) / RSSI_MAX_VALUE;
+		double sSpacing = (w - 15) / 80.0;
+		int sWidth = (int) (sSpacing - 1);
+		if (sWidth == 0)
+			sWidth = 1;
+		
+		g.setColor(Color.white);
+		g.fillRect(0, 0, w, h);
+		
+		g.setColor(Color.gray);
+		double xpos = 10;
+		for (int i = 0, n = rssi.length; i < n; i++) {
+			int rssi = (int) (rssiMax[i] * factor);
+			g.fillRect((int) xpos, h - 20 - rssi, sWidth, rssi + 1);
+			xpos += sSpacing;
+		}
+		
+		g.setColor(Color.black);
+		xpos = 10;
+		for (int i = 0, n = rssi.length; i < n; i++) {
+			int rssiVal = (int) (rssi[i] * factor);
+			g.fillRect((int) xpos, h - 20 - rssiVal, sWidth, rssiVal + 1);
+			xpos += sSpacing;
+		}
+	}
+	
+	private void handleInput() throws IOException {
+		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
+		while (true) {
+			String line = reader.readLine();
+			if (line.startsWith("RSSI:")) {
+				try {
+					String[] parts = line.substring(5).split(" ");
+					for (int i = 0, n = parts.length; i < n; i++) {
+						rssi[i] = 3 * Integer.parseInt(parts[i]);
+						if (rssi[i] > rssiMax[i])
+							rssiMax[i] = rssi[i];
+						else if (rssiMax[i] > 0)
+							rssiMax[i]--;
+					}
+				} catch (Exception e) {
+					/* report but do not fail... */
+					e.printStackTrace();
+				}
+				repaint();
+			}
+		}
+	}
+	
+	public static void main(String[] args) throws IOException {
+		JFrame win = new JFrame("RSSI Viewer");
+		ViewRSSI panel;
+		win.setBounds(10, 10, 300, 300);
+		win.getContentPane().add(panel = new ViewRSSI());
+		win.setVisible(true);
+		win.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		
+		panel.handleInput();
 	}
-	repaint();
-      }
-    }
-  }
-
-  public static void main(String[] args) throws IOException {
-    JFrame win = new JFrame("RSSI Viewer");
-    ViewRSSI panel;
-    win.setBounds(10, 10, 300, 300);
-    win.getContentPane().add(panel = new ViewRSSI());
-    win.setVisible(true);
-    win.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-
-    panel.handleInput();
-  }
 }