diff --git a/lib/api/GwApi.h b/lib/api/GwApi.h
index fce27af..340e738 100644
--- a/lib/api/GwApi.h
+++ b/lib/api/GwApi.h
@@ -10,11 +10,16 @@ class GwApi{
     public:
         virtual GwRequestQueue *getQueue()=0;
         virtual void sendN2kMessage(const tN2kMsg &msg, bool convert=true)=0;
+        /**
+         * deprecated - sourceId will be ignored
+         */
         virtual void sendNMEA0183Message(const tNMEA0183Msg &msg, int sourceId,bool convert=true)=0;
+        virtual void sendNMEA0183Message(const tNMEA0183Msg &msg, bool convert=true)=0;
         virtual int getSourceId()=0;
         virtual GwConfigHandler *getConfig()=0;
         virtual GwLog *getLogger()=0;
         virtual GwBoatData *getBoatData()=0;
+        virtual const char* getTalkerId()=0;
         virtual ~GwApi(){}
 };
 #ifndef DECLARE_USERTASK
diff --git a/lib/usercode/GwUserCode.cpp b/lib/usercode/GwUserCode.cpp
index b41a65b..3a96ed5 100644
--- a/lib/usercode/GwUserCode.cpp
+++ b/lib/usercode/GwUserCode.cpp
@@ -70,6 +70,11 @@ public:
         GWSYNCHRONIZED(mainLock);
         api->sendNMEA0183Message(msg, this->sourceId,convert);
     }
+    virtual void sendNMEA0183Message(const tNMEA0183Msg &msg, bool convert)
+    {
+        GWSYNCHRONIZED(mainLock);
+        api->sendNMEA0183Message(msg, this->sourceId,convert);
+    }
     virtual int getSourceId()
     {
         return sourceId;
@@ -86,6 +91,9 @@ public:
     {
         return api->getBoatData();
     }
+    virtual const char* getTalkerId(){
+        return api->getTalkerId();
+    }
     virtual ~TaskApi(){};
 };
 
diff --git a/src/main.cpp b/src/main.cpp
index 09e6160..669daf5 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -317,6 +317,10 @@ public:
   {
       SendNMEA0183Message(msg, sourceId,convert);
   }
+  virtual void sendNMEA0183Message(const tNMEA0183Msg &msg, bool convert)
+  {
+      SendNMEA0183Message(msg, sourceId,convert);
+  }
   virtual int getSourceId()
   {
     return sourceId;
@@ -331,6 +335,9 @@ public:
   virtual GwBoatData *getBoatData(){
     return &boatData;
   }
+  virtual const char* getTalkerId(){
+    return config.getString(config.talkerId,String("GP")).c_str();
+  }
   virtual ~ApiImpl(){}
 };