diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/MainActivity.java b/codec2talkie/src/main/java/com/radio/codec2talkie/MainActivity.java
index d5b079e..e40611d 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/MainActivity.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/MainActivity.java
@@ -307,6 +307,10 @@ public class MainActivity extends AppCompatActivity {
             Toast.makeText(getBaseContext(), "Not implemented", Toast.LENGTH_SHORT).show();
             return true;
         }
+        else if (itemId == R.id.aprs_log) {
+            Toast.makeText(getBaseContext(), "Not implemented", Toast.LENGTH_SHORT).show();
+            return true;
+        }
         return super.onOptionsItemSelected(item);
     }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/audio/AudioProcessor.java b/codec2talkie/src/main/java/com/radio/codec2talkie/audio/AudioProcessor.java
index 89030e8..82fd614 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/audio/AudioProcessor.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/audio/AudioProcessor.java
@@ -21,6 +21,7 @@ import java.util.TimerTask;
 import com.radio.codec2talkie.protocol.Callback;
 import com.radio.codec2talkie.protocol.Protocol;
 import com.radio.codec2talkie.protocol.ProtocolFactory;
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.settings.PreferenceKeys;
 import com.radio.codec2talkie.tools.AudioTools;
 import com.radio.codec2talkie.transport.Transport;
@@ -207,7 +208,7 @@ public class AudioProcessor extends Thread {
 
     private final Callback _protocolCallback = new Callback() {
         @Override
-        protected void onReceivePosition(String src, double latitude, double longitude, double altitude, float bearing, String comment) {
+        protected void onReceivePosition(Position position) {
             throw new UnsupportedOperationException();
         }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Aprs.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Aprs.java
index 2cdcefe..8c11a8e 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Aprs.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Aprs.java
@@ -2,25 +2,38 @@ package com.radio.codec2talkie.protocol;
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.util.Log;
 
 import androidx.preference.PreferenceManager;
 
+import com.radio.codec2talkie.audio.AudioProcessor;
 import com.radio.codec2talkie.protocol.aprs.AprsCallsign;
+import com.radio.codec2talkie.protocol.aprs.AprsData;
+import com.radio.codec2talkie.protocol.aprs.AprsDataFactory;
+import com.radio.codec2talkie.protocol.aprs.AprsDataType;
+import com.radio.codec2talkie.protocol.position.Position;
+import com.radio.codec2talkie.protocol.ax25.AX25Callsign;
 import com.radio.codec2talkie.settings.PreferenceKeys;
 import com.radio.codec2talkie.transport.Transport;
 
 import java.io.IOException;
 
 public class Aprs implements Protocol {
+    private static final String TAG = Aprs.class.getSimpleName();
 
     private final Protocol _childProtocol;
 
-    private String _srcCallsign;
-    private String _dstCallsign;
-
     private Callback _parentCallback;
 
-    boolean _isVoax25Enabled;
+    private String _srcCallsign;
+    private String _dstCallsign;
+    private String _symbolCode;
+    private String _status;
+    private String _comment;
+    private boolean _isVoax25Enabled;
+    private boolean _isCompressed;
+
+    private AprsDataType _positionDataType;
 
     public Aprs(Protocol childProtocol) {
         _childProtocol = childProtocol;
@@ -33,9 +46,21 @@ public class Aprs implements Protocol {
 
         SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(context);
         _isVoax25Enabled = sharedPreferences.getBoolean(PreferenceKeys.APRS_VOAX25_ENABLE, false);
-        _srcCallsign = sharedPreferences.getString(PreferenceKeys.APRS_CALLSIGN, "NOCALL") + "-" +
-                sharedPreferences.getString(PreferenceKeys.APRS_SSID, "0");
+
+        _srcCallsign = AX25Callsign.formatCallsign(
+                sharedPreferences.getString(PreferenceKeys.APRS_CALLSIGN, "NOCALL"),
+                sharedPreferences.getString(PreferenceKeys.APRS_SSID, "0"));
         _dstCallsign = "APZMDM";
+
+        _symbolCode = sharedPreferences.getString(PreferenceKeys.APRS_SYMBOL, "/[");
+        String packetFormat = sharedPreferences.getString(PreferenceKeys.APRS_LOCATION_PACKET_FORMAT, "uncompressed");
+        _status = sharedPreferences.getString(PreferenceKeys.APRS_LOCATION_MIC_E_MESSAGE_TYPE, "off_duty");
+        _comment = sharedPreferences.getString(PreferenceKeys.APRS_COMMENT, "off_duty");
+        _isCompressed = packetFormat.equals("compressed");
+
+        AprsDataType.DataType dataType = packetFormat.equals("mic_e") ?
+                AprsDataType.DataType.MIC_E : AprsDataType.DataType.POSITION_WITHOUT_TIMESTAMP_MSG;
+        _positionDataType = new AprsDataType(dataType);
     }
 
     @Override
@@ -70,7 +95,7 @@ public class Aprs implements Protocol {
 
     Callback _protocolCallback = new Callback() {
         @Override
-        protected void onReceivePosition(String src, double latitude, double longitude, double altitude, float bearing, String comment) {
+        protected void onReceivePosition(Position position) {
             throw new UnsupportedOperationException();
         }
 
@@ -134,8 +159,22 @@ public class Aprs implements Protocol {
     };
 
     @Override
-    public void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment) {
-        // TODO, implement
+    public void sendPosition(Position position) throws IOException {
+        position.dstCallsign = _dstCallsign;
+        position.srcCallsign = _srcCallsign;
+        position.symbolCode = _symbolCode;
+        position.comment = _comment;
+        position.status = _status;
+        position.isCompressed = _isCompressed;
+        AprsData aprsData = AprsDataFactory.create(_positionDataType);
+        if (aprsData != null) {
+            aprsData.fromPosition(position);
+            if (aprsData.isValid()) {
+                sendData(position.srcCallsign, position.dstCallsign, aprsData.toBinary());
+            } else {
+                Log.e(TAG, "Send position protocol error");
+            }
+        }
     }
 
     @Override
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AudioCodec2.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AudioCodec2.java
index cdf198f..335f97f 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AudioCodec2.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AudioCodec2.java
@@ -2,6 +2,7 @@ package com.radio.codec2talkie.protocol;
 
 import android.content.Context;
 
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.transport.Transport;
 import com.ustadmobile.codec2.Codec2;
 
@@ -68,7 +69,7 @@ public class AudioCodec2 implements Protocol {
 
     Callback _protocolCallback = new Callback() {
         @Override
-        protected void onReceivePosition(String src, double latitude, double longitude, double altitude, float bearing, String comment) {
+        protected void onReceivePosition(Position position) {
             throw new UnsupportedOperationException();
         }
 
@@ -130,7 +131,7 @@ public class AudioCodec2 implements Protocol {
     };
 
     @Override
-    public void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment) {
+    public void sendPosition(Position position) {
         throw new UnsupportedOperationException();
     }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AudioFrameAggregator.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AudioFrameAggregator.java
index 3a1fb40..e641ccd 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AudioFrameAggregator.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/AudioFrameAggregator.java
@@ -6,6 +6,7 @@ import android.util.Log;
 
 import androidx.preference.PreferenceManager;
 
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.settings.PreferenceKeys;
 import com.radio.codec2talkie.transport.Transport;
 import com.ustadmobile.codec2.Codec2;
@@ -90,7 +91,7 @@ public class AudioFrameAggregator implements Protocol {
 
     Callback _protocolCallback = new Callback() {
         @Override
-        protected void onReceivePosition(String src, double latitude, double longitude, double altitude, float bearing, String comment) {
+        protected void onReceivePosition(Position position) {
             throw new UnsupportedOperationException();
         }
 
@@ -163,7 +164,7 @@ public class AudioFrameAggregator implements Protocol {
     };
 
     @Override
-    public void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment) {
+    public void sendPosition(Position position) {
         throw new UnsupportedOperationException();
     }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Ax25.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Ax25.java
index aad2938..cea5bea 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Ax25.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Ax25.java
@@ -7,6 +7,7 @@ import android.util.Log;
 import androidx.preference.PreferenceManager;
 
 import com.radio.codec2talkie.protocol.ax25.AX25Packet;
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.settings.PreferenceKeys;
 import com.radio.codec2talkie.transport.Transport;
 
@@ -92,7 +93,7 @@ public class Ax25 implements Protocol {
 
     Callback _protocolCallback = new Callback() {
         @Override
-        protected void onReceivePosition(String src, double latitude, double longitude, double altitude, float bearing, String comment) {
+        protected void onReceivePosition(Position position) {
             throw new UnsupportedOperationException();
         }
 
@@ -164,7 +165,7 @@ public class Ax25 implements Protocol {
     };
 
     @Override
-    public void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment) {
+    public void sendPosition(Position position) {
         throw new UnsupportedOperationException();
     }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Callback.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Callback.java
index 3e11c6c..1db96b3 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Callback.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Callback.java
@@ -1,8 +1,10 @@
 package com.radio.codec2talkie.protocol;
 
+import com.radio.codec2talkie.protocol.position.Position;
+
 public abstract class Callback {
     // receive
-    abstract protected void onReceivePosition(String src, double latitude, double longitude, double altitude, float bearing, String comment);
+    abstract protected void onReceivePosition(Position position);
     abstract protected void onReceivePcmAudio(String src, String dst, int codec, short[] pcmFrame);
     abstract protected void onReceiveCompressedAudio(String src, String dst, int codec, byte[] frame);
     abstract protected void onReceiveData(String src, String dst, byte[] data);
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Kiss.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Kiss.java
index b2fb264..c6a1a2e 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Kiss.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Kiss.java
@@ -11,6 +11,7 @@ import android.widget.Toast;
 import androidx.preference.PreferenceManager;
 
 import com.radio.codec2talkie.R;
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.settings.PreferenceKeys;
 import com.radio.codec2talkie.transport.Transport;
 
@@ -228,7 +229,7 @@ public class Kiss implements Protocol {
     }
 
     @Override
-    public void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment) {
+    public void sendPosition(Position position) {
         throw new UnsupportedOperationException();
     }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Protocol.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Protocol.java
index ab6239e..74b4b46 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Protocol.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Protocol.java
@@ -2,6 +2,7 @@ package com.radio.codec2talkie.protocol;
 
 import android.content.Context;
 
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.transport.Transport;
 
 import java.io.IOException;
@@ -18,7 +19,7 @@ public interface Protocol {
     // callback
     boolean receive() throws IOException;
     // gps
-    void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment);
+    void sendPosition(Position position) throws IOException;
     // control
     void flush() throws IOException;
     void close();
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Raw.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Raw.java
index d8a6a58..279b995 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Raw.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Raw.java
@@ -2,6 +2,7 @@ package com.radio.codec2talkie.protocol;
 
 import android.content.Context;
 
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.transport.Transport;
 
 import java.io.IOException;
@@ -57,7 +58,7 @@ public class Raw implements Protocol {
     }
 
     @Override
-    public void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment) {
+    public void sendPosition(Position position) {
         throw new UnsupportedOperationException();
     }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Recorder.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Recorder.java
index eb2ae46..0a970f1 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Recorder.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Recorder.java
@@ -5,6 +5,7 @@ import android.text.TextUtils;
 import android.util.Log;
 
 import com.radio.codec2talkie.MainActivity;
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.tools.StorageTools;
 import com.radio.codec2talkie.transport.Transport;
 
@@ -80,7 +81,7 @@ public class Recorder implements Protocol {
 
     Callback _protocolCallback = new Callback() {
         @Override
-        protected void onReceivePosition(String src, double latitude, double longitude, double altitude, float bearing, String comment) {
+        protected void onReceivePosition(Position position) {
             throw new UnsupportedOperationException();
         }
 
@@ -143,7 +144,7 @@ public class Recorder implements Protocol {
     };
 
     @Override
-    public void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment) {
+    public void sendPosition(Position position) {
         throw new UnsupportedOperationException();
     }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Scrambler.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Scrambler.java
index 036a720..a17e76f 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Scrambler.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/Scrambler.java
@@ -6,6 +6,7 @@ import android.util.Log;
 
 import androidx.preference.PreferenceManager;
 
+import com.radio.codec2talkie.protocol.position.Position;
 import com.radio.codec2talkie.settings.PreferenceKeys;
 import com.radio.codec2talkie.tools.ScramblingTools;
 import com.radio.codec2talkie.transport.Transport;
@@ -80,7 +81,7 @@ public class Scrambler implements Protocol {
 
     Callback _protocolCallback = new Callback() {
         @Override
-        protected void onReceivePosition(String src, double latitude, double longitude, double altitude, float bearing, String comment) {
+        protected void onReceivePosition(Position position) {
             throw new UnsupportedOperationException();
         }
 
@@ -152,7 +153,7 @@ public class Scrambler implements Protocol {
     };
 
     @Override
-    public void sendPosition(double latitude, double longitude, double altitude, float bearing, String comment) {
+    public void sendPosition(Position position) {
         throw new UnsupportedOperationException();
     }
 
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsData.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsData.java
index 5723ea4..230c708 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsData.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsData.java
@@ -1,7 +1,10 @@
 package com.radio.codec2talkie.protocol.aprs;
 
+import com.radio.codec2talkie.protocol.position.Position;
+
 public interface AprsData {
-    void fromPosition(AprsPosition position);
+    void fromPosition(Position position);
+    Position toPosition();
     void fromBinary(byte[] infoData);
     byte[] toBinary();
     boolean isValid();
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataFactory.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataFactory.java
index 1b84e2d..de10692 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataFactory.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataFactory.java
@@ -7,12 +7,12 @@ public class AprsDataFactory {
         switch (aprsDataType.getDataType()) {
             case UNKNOWN:
             case MESSAGE:
-                break;
             case MIC_E:
             case POSITION_WITH_TIMESTAMP_MSG:
             case POSITION_WITH_TIMESTAMP_NO_MSG:
-            case POSITION_WITHOUT_TIMESTAMP_MSG:
             case POSITION_WITHOUT_TIMESTAMP_NO_MSG:
+                break;
+            case POSITION_WITHOUT_TIMESTAMP_MSG:
                 return new AprsDataPositionReport();
         }
         return null;
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataPositionReport.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataPositionReport.java
index dff63dd..0b50f37 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataPositionReport.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataPositionReport.java
@@ -1,8 +1,16 @@
 package com.radio.codec2talkie.protocol.aprs;
 
+import com.radio.codec2talkie.protocol.position.Position;
+
 public class AprsDataPositionReport implements AprsData {
+
     @Override
-    public void fromPosition(AprsPosition position) {
+    public void fromPosition(Position position) {
+    }
+
+    @Override
+    public Position toPosition() {
+        return null;
     }
 
     @Override
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/ax25/AX25Callsign.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/ax25/AX25Callsign.java
index 5ad7786..df087e1 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/ax25/AX25Callsign.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/ax25/AX25Callsign.java
@@ -12,6 +12,10 @@ public class AX25Callsign {
     public boolean isValid;
     public boolean isLast = false;
 
+    public static String formatCallsign(String callsign, String ssid) {
+        return String.format("%s-%s", callsign, ssid);
+    }
+
     public void fromString(String callsignWithSsid) {
         isValid = false;
         // ABCDEF-XX
diff --git a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsPosition.java b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/position/Position.java
similarity index 51%
rename from codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsPosition.java
rename to codec2talkie/src/main/java/com/radio/codec2talkie/protocol/position/Position.java
index 7824eb4..96e655a 100644
--- a/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsPosition.java
+++ b/codec2talkie/src/main/java/com/radio/codec2talkie/protocol/position/Position.java
@@ -1,11 +1,15 @@
-package com.radio.codec2talkie.protocol.aprs;
+package com.radio.codec2talkie.protocol.position;
 
-public class AprsPosition {
+public class Position {
+    public String timestamp;
+    public String srcCallsign;
+    public String dstCallsign;
     public double latitude;
     public double longitude;
     public double altitude;
     public float bearing;
+    public String status;
     public String comment;
-    public String timestamp;
+    public String symbolCode;
     public boolean isCompressed;
 }
diff --git a/codec2talkie/src/main/res/menu/main_menu.xml b/codec2talkie/src/main/res/menu/main_menu.xml
index e4fe0a7..7a46715 100644
--- a/codec2talkie/src/main/res/menu/main_menu.xml
+++ b/codec2talkie/src/main/res/menu/main_menu.xml
@@ -10,6 +10,9 @@
         <item
             android:id="@+id/messages"
             android:title="@string/menu_messages" />
+        <item
+            android:id="@+id/aprs_log"
+            android:title="@string/menu_aprs_log" />
     </group>
     <group android:id="@+id/group_main">
         <item
diff --git a/codec2talkie/src/main/res/values/strings.xml b/codec2talkie/src/main/res/values/strings.xml
index 541c37d..ae9c13e 100644
--- a/codec2talkie/src/main/res/values/strings.xml
+++ b/codec2talkie/src/main/res/values/strings.xml
@@ -224,5 +224,6 @@
     <string name="menu_start_tracking">Start tracking</string>
     <string name="menu_send_position">Send position</string>
     <string name="voax25_label">&#9742;</string>
+    <string name="menu_aprs_log">View log</string>
 
 </resources>
\ No newline at end of file