diff --git a/src/main/java/io/github/dsheirer/map/PlottableEntityHistory.java b/src/main/java/io/github/dsheirer/map/PlottableEntityHistory.java
index c25e4f68f..5f43074c0 100644
--- a/src/main/java/io/github/dsheirer/map/PlottableEntityHistory.java
+++ b/src/main/java/io/github/dsheirer/map/PlottableEntityHistory.java
@@ -87,20 +87,17 @@ public IdentifierCollection getIdentifierCollection()
      */
     public void add(PlottableDecodeEvent event)
     {
-        if(event.isValidLocation())
+        TimestampedGeoPosition mostRecentPosition = getLatestPosition();
+        TimestampedGeoPosition latest = new TimestampedGeoPosition(event.getLocation(), event.getTimeStart());
+
+        if(isUnique(latest, mostRecentPosition))
         {
-            TimestampedGeoPosition mostRecentPosition = getLatestPosition();
-            TimestampedGeoPosition latest = new TimestampedGeoPosition(event.getLocation(), event.getTimeStart());
+            mCurrentEvent = event;
+            mLocationHistory.add(0, latest);
 
-            if(isUnique(latest, mostRecentPosition))
+            while(mLocationHistory.size() > MAX_LOCATION_HISTORY)
             {
-                mCurrentEvent = event;
-                mLocationHistory.add(0, latest);
-
-                while(mLocationHistory.size() > MAX_LOCATION_HISTORY)
-                {
-                    mLocationHistory.remove(mLocationHistory.size() - 1);
-                }
+                mLocationHistory.remove(mLocationHistory.size() - 1);
             }
         }
     }
diff --git a/src/main/java/io/github/dsheirer/map/PlottableEntityModel.java b/src/main/java/io/github/dsheirer/map/PlottableEntityModel.java
index 1d9e44035..50722888e 100644
--- a/src/main/java/io/github/dsheirer/map/PlottableEntityModel.java
+++ b/src/main/java/io/github/dsheirer/map/PlottableEntityModel.java
@@ -101,45 +101,42 @@ public void delete(List<PlottableEntityHistory> tracksToDelete)
     @Override
     public void receive(PlottableDecodeEvent plottableDecodeEvent)
     {
-        if(plottableDecodeEvent.isValidLocation())
-        {
-            //Add or update the event on the swing event thread
-            EventQueue.invokeLater(() -> {
-                Identifier from = plottableDecodeEvent.getIdentifierCollection().getFromIdentifier();
+        //Add or update the event on the swing event thread
+        EventQueue.invokeLater(() -> {
+            Identifier from = plottableDecodeEvent.getIdentifierCollection().getFromIdentifier();
 
-                if(from != null && from.getForm() != Form.LOCATION)
-                {
-                    AliasListConfigurationIdentifier aliasList = plottableDecodeEvent.getIdentifierCollection().getAliasListConfiguration();
-                    String key = (aliasList != null ? aliasList.toString() : KEY_NO_ALIAS_LIST) + from;
+            if(from != null && from.getForm() != Form.LOCATION)
+            {
+                AliasListConfigurationIdentifier aliasList = plottableDecodeEvent.getIdentifierCollection().getAliasListConfiguration();
+                String key = (aliasList != null ? aliasList.toString() : KEY_NO_ALIAS_LIST) + from;
 
-                    PlottableEntityHistory entityHistory = mEntityHistoryMap.get(key);
+                PlottableEntityHistory entityHistory = mEntityHistoryMap.get(key);
 
-                    if(entityHistory == null)
-                    {
-                        entityHistory = new PlottableEntityHistory(from, plottableDecodeEvent);
-                        mEntityHistories.add(entityHistory);
-                        mEntityHistoryMap.put(key, entityHistory);
-                        int index = mEntityHistories.indexOf(entityHistory);
-                        fireTableRowsInserted(index, index);
-                    }
-                    else
-                    {
-                        entityHistory.add(plottableDecodeEvent);
-                        int index = mEntityHistories.indexOf(entityHistory);
-                        fireTableRowsUpdated(index, index);
-                    }
-
-                    for(IPlottableUpdateListener listener : mPlottableUpdateListeners)
-                    {
-                        listener.addPlottableEntity(entityHistory);
-                    }
+                if(entityHistory == null)
+                {
+                    entityHistory = new PlottableEntityHistory(from, plottableDecodeEvent);
+                    mEntityHistories.add(entityHistory);
+                    mEntityHistoryMap.put(key, entityHistory);
+                    int index = mEntityHistories.indexOf(entityHistory);
+                    fireTableRowsInserted(index, index);
                 }
                 else
                 {
-                    LOGGER.warn("Received plottable decode event that does not contain a FROM identifier - cannot plot");
+                    entityHistory.add(plottableDecodeEvent);
+                    int index = mEntityHistories.indexOf(entityHistory);
+                    fireTableRowsUpdated(index, index);
                 }
-            });
-        }
+
+                for(IPlottableUpdateListener listener : mPlottableUpdateListeners)
+                {
+                    listener.addPlottableEntity(entityHistory);
+                }
+            }
+            else
+            {
+                LOGGER.warn("Received plottable decode event that does not contain a FROM identifier - cannot plot");
+            }
+        });
     }
 
     @Override
diff --git a/src/main/java/io/github/dsheirer/module/decode/event/PlottableDecodeEvent.java b/src/main/java/io/github/dsheirer/module/decode/event/PlottableDecodeEvent.java
index aae77a7f1..719cf3b7c 100644
--- a/src/main/java/io/github/dsheirer/module/decode/event/PlottableDecodeEvent.java
+++ b/src/main/java/io/github/dsheirer/module/decode/event/PlottableDecodeEvent.java
@@ -62,16 +62,6 @@ public GeoPosition getLocation()
         return mGeoPosition;
     }
 
-    /**
-     * Indicates if the location is non-null and either latitude or longitude is not at the zero axis.  If the location
-     * coordinates are zero or both are very small values close to zero, then the location is flagged as invalid.
-     */
-    public boolean isValidLocation()
-    {
-        return mGeoPosition != null &&
-                ((Math.abs(mGeoPosition.getLatitude()) > 0.01) || (Math.abs(mGeoPosition.getLongitude()) > 0.01));
-    }
-
     /**
      * Sets the heading for the mobile plottable event
      * @param heading