diff --git a/CourseExamples/src/DisExamples/EspduSender.java b/CourseExamples/src/DisExamples/EspduSender.java
index 4f9a2e2c72c3567fbc204391b9b9375ff46a75d5..0e559495edae5040c362d25a368de56d20a6f5af 100644
--- a/CourseExamples/src/DisExamples/EspduSender.java
+++ b/CourseExamples/src/DisExamples/EspduSender.java
@@ -45,7 +45,7 @@ public class EspduSender {
 	 */
 	public static void main(String args[])
 	{
-		System.out.println("DisExamples.EspduSender started...");
+		System.out.println("DisExamples.EspduSender started... send " + NUMBER_TO_SEND + " ESPDUs, initial index=0");
 		/**
 		 * an entity state pdu
 		 */
@@ -159,8 +159,9 @@ public class EspduSender {
 		try
 		{
 			System.out.println("Sending " + NUMBER_TO_SEND + " ESPDU packets to " + destinationIp.toString());
-			for (int idx = 0; idx < NUMBER_TO_SEND; idx++) {
-				// DIS time is a pain in the ass. DIS time units are 2^31-1 units per
+			
+			for (int index = 0; index < NUMBER_TO_SEND; index++) {
+				// DIS time is a pain in the uh, neck. DIS time units are 2^31-1 units per
 				// hour, and time is set to DIS time units from the top of the hour. 
 				// This means that if you start sending just before the top of the hour
 				// the time units can roll over to zero as you are sending. The receivers
@@ -200,7 +201,7 @@ public class EspduSender {
 				// The x and y values will change, but the z value should not.
 				//lon = lon + (double)((double)idx / 100000.0);
 				//System.out.println("lla=" + lat + "," + lon + ", 0.0");
-				double direction = Math.pow((double) (-1.0), (double) (idx));
+				double direction = Math.pow((double) (-1.0), (double) (index));
 				lon = lon + (direction * 0.00006);
 				System.out.println(lon);
 
@@ -253,7 +254,7 @@ public class EspduSender {
 
 				location = espdu.getEntityLocation();
 
-				System.out.println("Espdu #" + idx + " EID=[" + entityID.getSite() + "," + entityID.getApplication() + "," + entityID.getEntity() + "]");
+				System.out.println("Espdu #" + index + " EID=[" + entityID.getSite() + "," + entityID.getApplication() + "," + entityID.getEntity() + "]");
 				System.out.println(" DIS coordinates location=[" + location.getX() + "," + location.getY() + "," + location.getZ() + "]");
 				double c[] = {location.getX(), location.getY(), location.getZ()};
 				double lla[] = CoordinateConversions.xyzToLatLonDegrees(c);