diff --git a/droidstar.cpp b/droidstar.cpp
index edc82ea..369f43f 100644
--- a/droidstar.cpp
+++ b/droidstar.cpp
@@ -336,7 +336,8 @@ void DroidStar::process_connect()
 		m_mode->set_modem_params(m_modemBaud.toUInt(), rxfreq, txfreq, m_modemTxDelay.toInt(), m_modemRxLevel.toFloat(), m_modemRFLevel.toFloat(), ysfTXHang, m_modemCWIdTxLevel.toFloat(), m_modemDstarTxLevel.toFloat(), m_modemDMRTxLevel.toFloat(), m_modemYSFTxLevel.toFloat(), m_modemP25TxLevel.toFloat(), m_modemNXDNTxLevel.toFloat(), pocsagTXLevel, m17TXLevel);
 
 		connect(this, SIGNAL(module_changed(char)), m_mode, SLOT(module_changed(char)));
-		connect(m_mode, SIGNAL(update(Mode::MODEINFO)), this, SLOT(update_data(Mode::MODEINFO)));
+        connect(m_mode, SIGNAL(update(Mode::MODEINFO)), this, SLOT(update_data(Mode::MODEINFO)));
+        connect(m_mode, SIGNAL(update_log(QString)), this, SLOT(updatelog(QString)));
 		connect(m_mode, SIGNAL(update_output_level(unsigned short)), this, SLOT(update_output_level(unsigned short)));
         connect(m_modethread, SIGNAL(started()), m_mode, SLOT(begin_connect()));
 		connect(m_modethread, SIGNAL(finished()), m_mode, SLOT(deleteLater()));
@@ -1341,7 +1342,12 @@ void DroidStar::update_data(Mode::MODEINFO info)
 			emit update_log(t + " " + m_protocol + " RX lost id: " + QString::number(info.streamid, 16) + " src: " + info.src + " dst: " + info.gw2);
 		}
 	}
-	emit update_data();
+    emit update_data();
+}
+
+void DroidStar::updatelog(QString s)
+{
+    emit update_log(s);
 }
 
 void DroidStar::set_input_volume(qreal v)
diff --git a/droidstar.h b/droidstar.h
index 706eab4..7288a67 100644
--- a/droidstar.h
+++ b/droidstar.h
@@ -394,6 +394,7 @@ private slots:
 	void process_dmr_ids();
 	void process_nxdn_ids();
 	void update_data(Mode::MODEINFO);
+    void updatelog(QString);
 	void save_settings();
 	void update_output_level(unsigned short l){ m_outlevel = l;}
 	//void load_md380_fw();
diff --git a/main.qml b/main.qml
index 496b78b..f67398a 100644
--- a/main.qml
+++ b/main.qml
@@ -511,6 +511,7 @@ ApplicationWindow {
 				mainTab.buttonTX.enabled = true;
 				mainTab.btntxt.color = "black";
 				mainTab.agcBox.checked = true;
+                droidstar.set_debug(settingsTab.debugBox.checked);
 			}
 			if(c === 3){
 			}
diff --git a/mode.h b/mode.h
index 50965c8..f9d7416 100644
--- a/mode.h
+++ b/mode.h
@@ -98,6 +98,7 @@ public:
 		QString mmdvm;
 		QString host;
         QString module;
+        QString gps;
 		int port;
 		bool path;
 		char type;
@@ -131,6 +132,7 @@ public:
 	};
 signals:
 	void update(Mode::MODEINFO);
+    void update_log(QString);
 	void update_output_level(unsigned short);
 protected slots:
 	virtual void send_disconnect(){}
diff --git a/ref.cpp b/ref.cpp
index 1da1f28..ba5c3c7 100755
--- a/ref.cpp
+++ b/ref.cpp
@@ -44,10 +44,13 @@ void REF::process_udp()
 	quint16 senderPort;
 	static bool sd_sync = 0;
     static int sd_txt_seq = 0;
-    static int sd_gps_seq = 0;
     static int sd_gps_cnt = 0;
+    static int sd_hdr_cnt = 0;
+    static int sd_debug_cnt = 0;
 	static char user_data[21];
-    static char gps_data[100];
+    static QByteArray gps_data;
+    static uint8_t debug_data[64];
+
 	const uint8_t header[5] = {0x80,0x44,0x53,0x56,0x54};
 
 	buf.resize(m_udp->pendingDatagramSize());
@@ -177,6 +180,8 @@ void REF::process_udp()
 
 				qDebug() << "New stream from " << m_modeinfo.src << " to " << m_modeinfo.dst << " id == " << QString::number(m_modeinfo.streamid, 16);
 				emit update(m_modeinfo);
+                sd_gps_cnt = 0;
+                gps_data.clear();
 			}
 		}
 		else{
@@ -203,61 +208,82 @@ void REF::process_udp()
 		if((buf.data()[16] == 0) && (buf.data()[26] == 0x55) && (buf.data()[27] == 0x2d) && (buf.data()[28] == 0x16)){
 			sd_sync = 1;
             sd_txt_seq = 1;
+            //sd_debug_cnt = 0;
+            //for(int i = 0; i < 63; i++){
+            //    fprintf(stderr, "%02x ", debug_data[i]);
+            //}
+           // fprintf(stderr, "\n");
 		}
-        if( sd_sync && (buf.data()[26] & 0xf0) == 0x40){
-            sd_gps_cnt = (buf.data()[26] & 0x0f);
-            gps_data[sd_gps_seq] = buf.data()[27] ^ 0x4f;
+        //debug_data[sd_debug_cnt++] = buf.data()[26] ^ 0x70;
+        //debug_data[sd_debug_cnt++] = buf.data()[27] ^ 0x4f;
+        //debug_data[sd_debug_cnt++] = buf.data()[28] ^ 0x93;
+
+        char c = buf.data()[26] ^ 0x70;
 
-            if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
-                gps_data[sd_gps_seq] = '\0';
-                sd_gps_seq = 0;
+        if( sd_sync && !sd_gps_cnt && ((c & 0xf0) == 0x50)){
+            sd_hdr_cnt = (c & 0x0f);
+        }
+        else if(sd_hdr_cnt){
+            c = 0;
+            sd_hdr_cnt = 0;
+        }
+        if( sd_sync && !sd_gps_cnt && ((c & 0xf0) == 0x30)){
+            sd_gps_cnt = (c & 0x0f);
+            c = buf.data()[27] ^ 0x4f;
+            if( (c == 0x0a) || (c == 0x0d) ){
+                gps_data.append('\0');
                 sd_gps_cnt = 0;
-                qDebug() << "GPS string: " << QString(gps_data);
+                QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
+                if(gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
+                gps_data.clear();
             }
             else{
-                sd_gps_seq++;
                 sd_gps_cnt--;
-                gps_data[sd_gps_seq] = buf.data()[28] ^ 0x93;
-                if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
-                    gps_data[sd_gps_seq] = '\0';
-                    sd_gps_seq = 0;
+                gps_data.append(c);
+                c = buf.data()[28] ^ 0x93;
+                if( (c == 0x0a) || (c == 0x0d) ){
+                    gps_data.append('\0');
                     sd_gps_cnt = 0;
-                    qDebug() << "GPS string: " << QString(gps_data);
+                    QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
+                    if(gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
+                    gps_data.clear();
                 }
                 else{
-                    sd_gps_seq++;
                     sd_gps_cnt--;
+                    gps_data.append(c);
                 }
             }
         }
-        else if(sd_gps_cnt){
-            gps_data[sd_gps_seq] = buf.data()[26] ^ 0x70;
-            if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
-                gps_data[sd_gps_seq] = '\0';
-                sd_gps_seq = 0;
+        else if(sd_gps_cnt && (buf.data()[16] != 0)){
+            if( (c == 0x0a) || (c == 0x0d) ){
+                gps_data.append('\0');
                 sd_gps_cnt = 0;
-                qDebug() << "GPS string: " << QString(gps_data);
+                QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
+                if(gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
+                gps_data.clear();
             }
             else{
-                sd_gps_seq++;
-                gps_data[sd_gps_seq] = buf.data()[27] ^ 0x4f;
-                if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
-                    gps_data[sd_gps_seq] = '\0';
-                    sd_gps_seq = 0;
+                gps_data.append(c);
+                c = buf.data()[27] ^ 0x4f;
+                if( (c == 0x0a) || (c == 0x0d) ){
+                    gps_data.append('\0');
                     sd_gps_cnt = 0;
-                    qDebug() << "GPS string: " << QString(gps_data);
+                    QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
+                    if(gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
+                    gps_data.clear();
                 }
                 else{
-                    sd_gps_seq++;
-                    gps_data[sd_gps_seq] = buf.data()[28] ^ 0x93;
-                    if( (gps_data[sd_gps_seq] == 0x0a) || (gps_data[sd_gps_seq] == 0x0d) ){
-                        gps_data[sd_gps_seq] = '\0';
-                        sd_gps_seq = 0;
+                    gps_data.append(c);
+                    c = buf.data()[28] ^ 0x93;
+                    if( (c == 0x0a) || (c == 0x0d) ){
+                        gps_data.append('\0');
                         sd_gps_cnt = 0;
-                        qDebug() << "GPS string: " << QString(gps_data);
+                        QTextStream(stderr) << "GPS: " << QString(gps_data) << Qt::endl;
+                        if(gps_data[0] == '$') emit update_log("GPS: " + QString(gps_data));
+                        gps_data.clear();
                     }
                     else{
-                        sd_gps_seq++;
+                        gps_data.append(c);
                     }
                 }
             }
@@ -306,7 +332,6 @@ void REF::process_udp()
 		   user_data[18] = buf.data()[27] ^ 0x4f;
 		   user_data[19] = buf.data()[28] ^ 0x93;
            user_data[20] = '\0';
-           //if(sd_gps_seq == 0) sd_sync = 0;
            sd_txt_seq = 0;
 		   m_modeinfo.usertxt = QString(user_data);
 		}
@@ -331,6 +356,7 @@ void REF::process_udp()
 			emit update(m_modeinfo);
 			m_modeinfo.streamid = 0;
             sd_sync = 0;
+            sd_gps_cnt = 0;
 		}
 	}
 	//emit update(m_modeinfo);