diff --git a/src/blackmisc/avaltitude.cpp b/src/blackmisc/avaltitude.cpp
index db4a7a9f5..3b20ad72d 100644
--- a/src/blackmisc/avaltitude.cpp
+++ b/src/blackmisc/avaltitude.cpp
@@ -16,9 +16,9 @@ namespace Aviation
 /*
  * Own implementation for streaming
  */
-QString CAltitude::stringForConverter(bool /** i18n **/) const
+QString CAltitude::convertToQString(bool /** i18n **/) const
 {
-    QString s = CLength::stringForConverter();
+    QString s = CLength::convertToQString();
     return s.append(this->m_msl ? " MSL" : " AGL");
 }
 
diff --git a/src/blackmisc/avaltitude.h b/src/blackmisc/avaltitude.h
index 4dec1c96f..3ddc1f8f3 100644
--- a/src/blackmisc/avaltitude.h
+++ b/src/blackmisc/avaltitude.h
@@ -27,7 +27,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n) const;
+    virtual QString convertToQString(bool i18n) const;
 
     /*!
      * \brief Stream to DBus <<
diff --git a/src/blackmisc/avheading.cpp b/src/blackmisc/avheading.cpp
index 985bf73ae..1116b13f8 100644
--- a/src/blackmisc/avheading.cpp
+++ b/src/blackmisc/avheading.cpp
@@ -16,9 +16,9 @@ namespace Aviation
 /*
  * Own implementation for streaming
  */
-QString CHeading::stringForConverter(bool i18n) const
+QString CHeading::convertToQString(bool i18n) const
 {
-    QString s = CAngle::stringForConverter(i18n);
+    QString s = CAngle::convertToQString(i18n);
     return s.append(this->m_magnetic ? " magnetic" : " true");
 }
 
diff --git a/src/blackmisc/avheading.h b/src/blackmisc/avheading.h
index 1a3897364..224edd116 100644
--- a/src/blackmisc/avheading.h
+++ b/src/blackmisc/avheading.h
@@ -26,7 +26,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const;
+    virtual QString convertToQString(bool i18n = false) const;
 
     /*!
      * \brief Stream to DBus <<
diff --git a/src/blackmisc/aviomodulator.h b/src/blackmisc/aviomodulator.h
index 00ae1e42e..4985a5822 100644
--- a/src/blackmisc/aviomodulator.h
+++ b/src/blackmisc/aviomodulator.h
@@ -83,7 +83,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const  {
+    virtual QString convertToQString(bool i18n = false) const  {
         QString s(this->getName());
         s.append(" Active: ").append(this->m_frequencyActive.unitValueRoundedWithUnit(3, i18n));
         s.append(" Standby: ").append(this->m_frequencyStandby.unitValueRoundedWithUnit(3, i18n));
diff --git a/src/blackmisc/aviotransponder.cpp b/src/blackmisc/aviotransponder.cpp
index d8ca230ee..431c393ff 100644
--- a/src/blackmisc/aviotransponder.cpp
+++ b/src/blackmisc/aviotransponder.cpp
@@ -45,7 +45,7 @@ bool CTransponder::validate(bool strict) const
 /**
  * String representation
  */
-QString CTransponder::stringForConverter(bool /** i18n **/) const
+QString CTransponder::convertToQString(bool /** i18n **/) const
 {
     QString s = this->getName();
     s = s.append(" ").append(this->getTransponderCodeFormatted()).append(" ").append(this->getModeAsString());
diff --git a/src/blackmisc/aviotransponder.h b/src/blackmisc/aviotransponder.h
index 477441f53..97621277a 100644
--- a/src/blackmisc/aviotransponder.h
+++ b/src/blackmisc/aviotransponder.h
@@ -95,7 +95,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const;
+    virtual QString convertToQString(bool i18n = false) const;
 
     /*!
      * \brief Stream to DBus <<
diff --git a/src/blackmisc/avtrack.cpp b/src/blackmisc/avtrack.cpp
index 4f9ed363f..341d93a32 100644
--- a/src/blackmisc/avtrack.cpp
+++ b/src/blackmisc/avtrack.cpp
@@ -16,9 +16,9 @@ namespace Aviation
 /*
  * Own implementation for streaming
  */
-QString CTrack::stringForConverter(bool i18n) const
+QString CTrack::convertToQString(bool i18n) const
 {
-    QString s = CAngle::stringForConverter(i18n);
+    QString s = CAngle::convertToQString(i18n);
     return s.append(this->m_magnetic ? " magnetic" : " true");
 }
 
diff --git a/src/blackmisc/avtrack.h b/src/blackmisc/avtrack.h
index e93cc280f..84c2ecffb 100644
--- a/src/blackmisc/avtrack.h
+++ b/src/blackmisc/avtrack.h
@@ -27,7 +27,7 @@ protected:
      * \brief Specific stream operation for Track
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const;
+    virtual QString convertToQString(bool i18n = false) const;
 
     /*!
      * \brief Stream to DBus <<
diff --git a/src/blackmisc/avverticalpositions.cpp b/src/blackmisc/avverticalpositions.cpp
index cdb93f60e..6b6c4d38d 100644
--- a/src/blackmisc/avverticalpositions.cpp
+++ b/src/blackmisc/avverticalpositions.cpp
@@ -76,7 +76,7 @@ bool CAviationVerticalPositions::operator !=(const CAviationVerticalPositions &o
 /*
  * String representation for converter
  */
-QString CAviationVerticalPositions::stringForConverter(bool /** i18n **/) const
+QString CAviationVerticalPositions::convertToQString(bool /** i18n **/) const
 {
     QString s = QString("Altitude: ").
                 append(this->m_altitude.unitValueRoundedWithUnit()).
diff --git a/src/blackmisc/avverticalpositions.h b/src/blackmisc/avverticalpositions.h
index 0250d2598..ead990609 100644
--- a/src/blackmisc/avverticalpositions.h
+++ b/src/blackmisc/avverticalpositions.h
@@ -31,7 +31,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const;
+    virtual QString convertToQString(bool i18n = false) const;
 
     /*!
      * \brief Unmarshall from Dbus
diff --git a/src/blackmisc/basestreamstringifier.h b/src/blackmisc/basestreamstringifier.h
index 14e6c8c06..1246b2cee 100644
--- a/src/blackmisc/basestreamstringifier.h
+++ b/src/blackmisc/basestreamstringifier.h
@@ -133,7 +133,7 @@ public:
      */
     QString toQString(bool i18n = false) const
     {
-        return this->stringForConverter(i18n);
+        return this->convertToQString(i18n);
     }
 
 protected:
@@ -149,7 +149,7 @@ protected:
     virtual QString stringForStreaming() const
     {
         // simplest default implementation requires only one method
-        return this->stringForConverter();
+        return this->convertToQString();
     }
 
     /*!
@@ -157,19 +157,19 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const = 0;
+    virtual QString convertToQString(bool i18n = false) const = 0;
 
     /*!
      * \brief Stream to DBus
      * \param argument
      */
-    virtual void marshallToDbus(QDBusArgument &) const {}
+    virtual void marshallToDbus(QDBusArgument &) const = 0;
 
     /*!
      * \brief Stream from DBus
      * \param argument
      */
-    virtual void unmarshallFromDbus(const QDBusArgument &) {}
+    virtual void unmarshallFromDbus(const QDBusArgument &) = 0;
 
     /*!
      * \brief Copy assignment operator.
diff --git a/src/blackmisc/coordinateecef.h b/src/blackmisc/coordinateecef.h
index 0e21b8e20..42695a483 100644
--- a/src/blackmisc/coordinateecef.h
+++ b/src/blackmisc/coordinateecef.h
@@ -104,7 +104,7 @@ protected:
      * \brief String for converter
      * \return
      */
-    virtual QString stringForConverter() const
+    virtual QString convertToQString() const
     {
         QString s = "ECEF: {x %1, y %2, z %3}";
         s = s.arg(QString::number(this->x(), 'f', 6)).
diff --git a/src/blackmisc/coordinategeodetic.cpp b/src/blackmisc/coordinategeodetic.cpp
index cc6c503e2..363dd370d 100644
--- a/src/blackmisc/coordinategeodetic.cpp
+++ b/src/blackmisc/coordinategeodetic.cpp
@@ -13,7 +13,7 @@ namespace Geo
 /*
  * String for converter
  */
-QString CCoordinateGeodetic::stringForConverter(bool i18n) const
+QString CCoordinateGeodetic::convertToQString(bool i18n) const
 {
     QString s = "Geodetic: {%1, %2, %3}";
     return s.arg(this->m_latitude.unitValueRoundedWithUnit(6, i18n)).arg(this->m_longitude.unitValueRoundedWithUnit(6, i18n)).arg(this->m_height.unitValueRoundedWithUnit(i18n));
diff --git a/src/blackmisc/coordinategeodetic.h b/src/blackmisc/coordinategeodetic.h
index 5f11bb2b3..7af0596c1 100644
--- a/src/blackmisc/coordinategeodetic.h
+++ b/src/blackmisc/coordinategeodetic.h
@@ -52,7 +52,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const;
+    virtual QString convertToQString(bool i18n = false) const;
 
     /*!
      * \brief Stream to DBus
diff --git a/src/blackmisc/coordinatened.h b/src/blackmisc/coordinatened.h
index c620aa83c..00972ec7c 100644
--- a/src/blackmisc/coordinatened.h
+++ b/src/blackmisc/coordinatened.h
@@ -28,7 +28,7 @@ protected:
      * \brief String for converter
      * \return
      */
-    virtual QString stringForConverter() const
+    virtual QString convertToQString() const
     {
         QString s = "NED: {N %1, E %2, D %3}";
         s = s.arg(QString::number(this->north(), 'f', 6)).
diff --git a/src/blackmisc/geoearthangle.h b/src/blackmisc/geoearthangle.h
index 7d1b2fc4f..29e93cd1e 100644
--- a/src/blackmisc/geoearthangle.h
+++ b/src/blackmisc/geoearthangle.h
@@ -72,7 +72,7 @@ protected:
      * \brief String for converter and streaming
      * \return
      */
-    virtual QString stringForConverter() const
+    virtual QString convertToQString() const
     {
         return this->unitValueRoundedWithUnit(6);
     }
diff --git a/src/blackmisc/geolatitude.h b/src/blackmisc/geolatitude.h
index a7187a60f..d4f7ac644 100644
--- a/src/blackmisc/geolatitude.h
+++ b/src/blackmisc/geolatitude.h
@@ -19,10 +19,10 @@ protected:
     /*!
      * \brief Specific string representation
      */
-    virtual QString stringForConverter() const
+    virtual QString convertToQString() const
     {
         QString s = "latitude ";
-        return s.append(CEarthAngle::stringForConverter());
+        return s.append(CEarthAngle::convertToQString());
     }
 
 public:
diff --git a/src/blackmisc/geolongitude.h b/src/blackmisc/geolongitude.h
index 9099d10de..884e3913c 100644
--- a/src/blackmisc/geolongitude.h
+++ b/src/blackmisc/geolongitude.h
@@ -16,10 +16,10 @@ protected:
     /*!
      * \brief Specific string representation
      */
-    virtual QString stringForConverter() const
+    virtual QString convertToQString() const
     {
         QString s = "longitude ";
-        return s.append(CEarthAngle::stringForConverter());
+        return s.append(CEarthAngle::convertToQString());
     }
 
 public:
diff --git a/src/blackmisc/mathmatrixbase.cpp b/src/blackmisc/mathmatrixbase.cpp
index 17412a656..b00c1f9de 100644
--- a/src/blackmisc/mathmatrixbase.cpp
+++ b/src/blackmisc/mathmatrixbase.cpp
@@ -149,7 +149,7 @@ template<class ImplMatrix, int Rows, int Columns> void CMatrixBase<ImplMatrix, R
 /*
  * Convert to string
  */
-template <class ImplMatrix, int Rows, int Columns> QString CMatrixBase<ImplMatrix, Rows, Columns>::stringForConverter(bool /** i18n **/) const
+template <class ImplMatrix, int Rows, int Columns> QString CMatrixBase<ImplMatrix, Rows, Columns>::convertToQString(bool /** i18n **/) const
 {
     QString s = "{";
     for (int r = 0; r < Rows; r++)
diff --git a/src/blackmisc/mathmatrixbase.h b/src/blackmisc/mathmatrixbase.h
index 1463e4566..a2090e5c0 100644
--- a/src/blackmisc/mathmatrixbase.h
+++ b/src/blackmisc/mathmatrixbase.h
@@ -49,7 +49,7 @@ protected:
      * \param i18n
      * \return
      */
-    QString stringForConverter(bool i18n = false) const;
+    QString convertToQString(bool i18n = false) const;
 
     /*!
      * \brief Stream to DBus
diff --git a/src/blackmisc/mathvector3dbase.cpp b/src/blackmisc/mathvector3dbase.cpp
index fb2a0d8c2..8c07decb3 100644
--- a/src/blackmisc/mathvector3dbase.cpp
+++ b/src/blackmisc/mathvector3dbase.cpp
@@ -16,7 +16,7 @@ namespace Math
 /*
  * Convert to string
  */
-template <class ImplVector> QString CVector3DBase<ImplVector>::stringForConverter(bool /** i18n **/) const
+template <class ImplVector> QString CVector3DBase<ImplVector>::convertToQString(bool /** i18n **/) const
 {
     QString s = ("{%1, %2, %3}");
     s = s.arg(QString::number(this->m_i, 'f')).
diff --git a/src/blackmisc/mathvector3dbase.h b/src/blackmisc/mathvector3dbase.h
index 90a9ed036..aae74f5f4 100644
--- a/src/blackmisc/mathvector3dbase.h
+++ b/src/blackmisc/mathvector3dbase.h
@@ -107,7 +107,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const;
+    virtual QString convertToQString(bool i18n = false) const;
 
     /*!
      * \brief Unmarshall from Dbus
diff --git a/src/blackmisc/pqbase.h b/src/blackmisc/pqbase.h
index e3aefaf9c..ff1bb2cd5 100644
--- a/src/blackmisc/pqbase.h
+++ b/src/blackmisc/pqbase.h
@@ -47,7 +47,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool /* i18n  */ = false) const
+    virtual QString convertToQString(bool /* i18n  */ = false) const
     {
         return this->m_name;
     }
@@ -355,7 +355,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const
+    virtual QString convertToQString(bool i18n = false) const
     {
         return this->getUnitName(i18n);
     }
diff --git a/src/blackmisc/pqphysicalquantity.h b/src/blackmisc/pqphysicalquantity.h
index 14d72e494..b09eab05e 100644
--- a/src/blackmisc/pqphysicalquantity.h
+++ b/src/blackmisc/pqphysicalquantity.h
@@ -75,7 +75,7 @@ protected:
      * \param i18n
      * \return
      */
-    virtual QString stringForConverter(bool i18n = false) const
+    virtual QString convertToQString(bool i18n = false) const
     {
         return this->unitValueRoundedWithUnit(-1, i18n);
     }