diff --git a/Network/MessageClient.cpp b/Network/MessageClient.cpp
index dae238b23..a71beee6e 100644
--- a/Network/MessageClient.cpp
+++ b/Network/MessageClient.cpp
@@ -568,7 +568,7 @@ void MessageClient::qso_logged (QDateTime time_off, QString const& dx_call, QStr
                                 , QString const& comments, QString const& name, QDateTime time_on
                                 , QString const& operator_call, QString const& my_call
                                 , QString const& my_grid, QString const& exchange_sent
-                                , QString const& exchange_rcvd)
+                                , QString const& exchange_rcvd, QString const& propmode)
 {
    if (m_->server_port_ && !m_->server_string_.isEmpty ())
     {
@@ -577,8 +577,8 @@ void MessageClient::qso_logged (QDateTime time_off, QString const& dx_call, QStr
       out << time_off << dx_call.toUtf8 () << dx_grid.toUtf8 () << dial_frequency << mode.toUtf8 ()
           << report_sent.toUtf8 () << report_received.toUtf8 () << tx_power.toUtf8 () << comments.toUtf8 ()
           << name.toUtf8 () << time_on << operator_call.toUtf8 () << my_call.toUtf8 () << my_grid.toUtf8 ()
-          << exchange_sent.toUtf8 () << exchange_rcvd.toUtf8 ();
-      TRACE_UDP ("time off:" << time_off << "DX:" << dx_call << "DX grid:" << dx_grid << "dial:" << dial_frequency << "mode:" << mode << "sent:" << report_sent << "rcvd:" << report_received << "pwr:" << tx_power << "comments:" << comments << "name:" << name << "time on:" << time_on << "op:" << operator_call << "DE:" << my_call << "DE grid:" << my_grid << "exch sent:" << exchange_sent << "exch rcvd:" << exchange_rcvd);
+          << exchange_sent.toUtf8 () << exchange_rcvd.toUtf8 () << propmode.toUtf8 ();
+      TRACE_UDP ("time off:" << time_off << "DX:" << dx_call << "DX grid:" << dx_grid << "dial:" << dial_frequency << "mode:" << mode << "sent:" << report_sent << "rcvd:" << report_received << "pwr:" << tx_power << "comments:" << comments << "name:" << name << "time on:" << time_on << "op:" << operator_call << "DE:" << my_call << "DE grid:" << my_grid << "exch sent:" << exchange_sent << "exch rcvd:" << exchange_rcvd  << "prop_mode:" << propmode);
       m_->send_message (out, message);
     }
 }
diff --git a/Network/MessageClient.hpp b/Network/MessageClient.hpp
index 20f39b019..797149fc6 100644
--- a/Network/MessageClient.hpp
+++ b/Network/MessageClient.hpp
@@ -69,7 +69,8 @@ public:
                           , QString const& report_received, QString const& tx_power, QString const& comments
                           , QString const& name, QDateTime time_on, QString const& operator_call
                           , QString const& my_call, QString const& my_grid
-                          , QString const& exchange_sent, QString const& exchange_rcvd);
+                          , QString const& exchange_sent, QString const& exchange_rcvd
+                          , QString const& propmode);
 
   // ADIF_record argument should be valid ADIF excluding any <EOR> end
   // of record marker
diff --git a/logbook/logbook.cpp b/logbook/logbook.cpp
index 316901f9d..327585110 100644
--- a/logbook/logbook.cpp
+++ b/logbook/logbook.cpp
@@ -74,7 +74,7 @@ QByteArray LogBook::QSOToADIF (QString const& hisCall, QString const& hisGrid, Q
                                QDateTime const& dateTimeOff, QString const& band, QString const& comments,
                                QString const& name, QString const& strDialFreq, QString const& myCall,
                                QString const& myGrid, QString const& txPower, QString const& operator_call,
-                               QString const& xSent, QString const& xRcvd)
+                               QString const& xSent, QString const& xRcvd, QString const& propmode)
 {
   QString t;
   t = "<call:" + QString::number(hisCall.size()) + ">" + hisCall;
@@ -101,6 +101,7 @@ QByteArray LogBook::QSOToADIF (QString const& hisCall, QString const& hisGrid, Q
   if(comments!="") t += " <comment:" + QString::number(comments.size()) + ">" + comments;
   if(name!="") t += " <name:" + QString::number(name.size()) + ">" + name;
   if(operator_call!="") t+=" <operator:" + QString::number(operator_call.size()) + ">" + operator_call;
+  if(propmode!="") t += " <prop_mode:" + QString::number(propmode.size()) + ">" + propmode;
   if (xSent.size ())
     {
       auto words = xSent.split (' '
diff --git a/logbook/logbook.h b/logbook/logbook.h
index 858bb64d8..de7ffae10 100644
--- a/logbook/logbook.h
+++ b/logbook/logbook.h
@@ -44,7 +44,7 @@ public:
                         QDateTime const& dateTimeOff, QString const& band, QString const& comments,
                         QString const& name, QString const& strDialFreq, QString const& myCall,
                         QString const& m_myGrid, QString const& m_txPower, QString const& operator_call,
-                        QString const& xSent, QString const& xRcvd);
+                        QString const& xSent, QString const& xRcvd, QString const& propmode);
 
   Q_SIGNAL void finished_loading (int worked_before_record_count, QString const& error) const;
 
diff --git a/widgets/logqso.cpp b/widgets/logqso.cpp
index 187d2618c..58dcd04f4 100644
--- a/widgets/logqso.cpp
+++ b/widgets/logqso.cpp
@@ -39,8 +39,10 @@ void LogQSO::loadSettings ()
   restoreGeometry (m_settings->value ("geometry", saveGeometry ()).toByteArray ());
   ui->cbTxPower->setChecked (m_settings->value ("SaveTxPower", false).toBool ());
   ui->cbComments->setChecked (m_settings->value ("SaveComments", false).toBool ());
+  ui->cbPropMode->setChecked (m_settings->value ("SavePropMode", false).toBool ());
   m_txPower = m_settings->value ("TxPower", "").toString ();
   m_comments = m_settings->value ("LogComments", "").toString();
+  m_propmode = m_settings->value ("PropMode", "").toString();
   m_settings->endGroup ();
 }
 
@@ -50,8 +52,68 @@ void LogQSO::storeSettings () const
   m_settings->setValue ("geometry", saveGeometry ());
   m_settings->setValue ("SaveTxPower", ui->cbTxPower->isChecked ());
   m_settings->setValue ("SaveComments", ui->cbComments->isChecked ());
+  m_settings->setValue ("SavePropMode", ui->cbPropMode->isChecked ());
   m_settings->setValue ("TxPower", m_txPower);
   m_settings->setValue ("LogComments", m_comments);
+  switch (ui->comboBoxPropMode->currentIndex()) {
+     case 0:
+        m_settings->setValue ("PropMode", "");
+        break;
+     case 1:
+        m_settings->setValue ("PropMode", "AS");
+        break;
+     case 2:
+        m_settings->setValue ("PropMode", "AUE");
+        break;
+     case 3:
+        m_settings->setValue ("PropMode", "AUR");
+        break;
+     case 4:
+        m_settings->setValue ("PropMode", "BS");
+        break;
+     case 5:
+        m_settings->setValue ("PropMode", "ECH");
+        break;
+     case 6:
+        m_settings->setValue ("PropMode", "EME");
+        break;
+     case 7:
+        m_settings->setValue ("PropMode", "ES");
+        break;
+     case 8:
+        m_settings->setValue ("PropMode", "F2");
+        break;
+     case 9:
+        m_settings->setValue ("PropMode", "FAI");
+        break;
+     case 10:
+        m_settings->setValue ("PropMode", "INTERNET");
+        break;
+     case 11:
+        m_settings->setValue ("PropMode", "ION");
+        break;
+     case 12:
+        m_settings->setValue ("PropMode", "IRL");
+        break;
+     case 13:
+        m_settings->setValue ("PropMode", "MS");
+        break;
+     case 14:
+        m_settings->setValue ("PropMode", "RPT");
+        break;
+     case 15:
+        m_settings->setValue ("PropMode", "RS");
+        break;
+     case 16:
+        m_settings->setValue ("PropMode", "SAT");
+        break;
+     case 17:
+        m_settings->setValue ("PropMode", "TEP");
+        break;
+     case 18:
+        m_settings->setValue ("PropMode", "TR");
+        break;
+  }
   m_settings->endGroup ();
 }
 
@@ -80,6 +142,51 @@ void LogQSO::initLogQSO(QString const& hisCall, QString const& hisGrid, QString
     {
       ui->comments->clear ();
     }
+  if (ui->cbPropMode->isChecked ())
+    {
+       if (m_propmode == "")
+          ui->comboBoxPropMode->setCurrentIndex(0);
+       if (m_propmode == "AS")
+          ui->comboBoxPropMode->setCurrentIndex(1);
+       if (m_propmode == "AUE")
+          ui->comboBoxPropMode->setCurrentIndex(2);
+       if (m_propmode == "AUR")
+          ui->comboBoxPropMode->setCurrentIndex(3);
+       if (m_propmode == "BS")
+          ui->comboBoxPropMode->setCurrentIndex(4);
+       if (m_propmode == "ECH")
+          ui->comboBoxPropMode->setCurrentIndex(5);
+       if (m_propmode == "EME")
+          ui->comboBoxPropMode->setCurrentIndex(6);
+       if (m_propmode == "ES")
+          ui->comboBoxPropMode->setCurrentIndex(7);
+       if (m_propmode == "F2")
+          ui->comboBoxPropMode->setCurrentIndex(8);
+       if (m_propmode == "FAI")
+          ui->comboBoxPropMode->setCurrentIndex(9);
+       if (m_propmode == "INTERNET")
+          ui->comboBoxPropMode->setCurrentIndex(10);
+       if (m_propmode == "ION")
+          ui->comboBoxPropMode->setCurrentIndex(11);
+       if (m_propmode == "IRL")
+          ui->comboBoxPropMode->setCurrentIndex(12);
+       if (m_propmode == "MS")
+          ui->comboBoxPropMode->setCurrentIndex(13);
+       if (m_propmode == "RPT")
+          ui->comboBoxPropMode->setCurrentIndex(14);
+       if (m_propmode == "RS")
+          ui->comboBoxPropMode->setCurrentIndex(15);
+       if (m_propmode == "SAT")
+          ui->comboBoxPropMode->setCurrentIndex(16);
+       if (m_propmode == "TEP")
+          ui->comboBoxPropMode->setCurrentIndex(17);
+       if (m_propmode == "TR")
+          ui->comboBoxPropMode->setCurrentIndex(18);
+    }
+  else
+    {
+      ui->comboBoxPropMode->setCurrentIndex(0);
+    }
   if (m_config->report_in_comments()) {
     auto t=mode;
     if(rptSent!="") t+="  Sent: " + rptSent;
@@ -133,6 +240,65 @@ void LogQSO::accept()
   auto operator_call = ui->loggedOperator->text ();
   auto xsent = ui->exchSent->text ();
   auto xrcvd = ui->exchRcvd->text ();
+  switch (ui->comboBoxPropMode->currentIndex()) {
+     case 0:
+        m_propmode = "";
+        break;
+     case 1:
+        m_propmode = "AS";
+        break;
+     case 2:
+        m_propmode = "AUE";
+        break;
+     case 3:
+        m_propmode = "AUR";
+        break;
+     case 4:
+        m_propmode = "BS";
+        break;
+     case 5:
+        m_propmode = "ECH";
+        break;
+     case 6:
+        m_propmode = "EME";
+        break;
+     case 7:
+        m_propmode = "ES";
+        break;
+     case 8:
+        m_propmode = "F2";
+        break;
+     case 9:
+        m_propmode = "FAI";
+        break;
+     case 10:
+        m_propmode = "INTERNET";
+        break;
+     case 11:
+        m_propmode = "ION";
+        break;
+     case 12:
+        m_propmode = "IRL";
+        break;
+     case 13:
+        m_propmode = "MS";
+        break;
+     case 14:
+        m_propmode = "RPT";
+        break;
+     case 15:
+        m_propmode = "RS";
+        break;
+     case 16:
+        m_propmode = "SAT";
+        break;
+     case 17:
+        m_propmode = "TEP";
+        break;
+     case 18:
+        m_propmode = "TR";
+        break;
+  }
 
   using SpOp = Configuration::SpecialOperatingActivity;
   auto special_op = m_config->special_op_id ();
@@ -191,7 +357,7 @@ void LogQSO::accept()
       dateTimeOff.time().toString("hh:mm:ss,") + hisCall + "," +
       hisGrid + "," + strDialFreq + "," + mode +
       "," + rptSent + "," + rptRcvd + "," + m_txPower +
-      "," + m_comments + "," + name;
+      "," + m_comments + "," + name + "," + m_propmode;
     QTextStream out(&f);
     out << logEntry <<
 #if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
@@ -220,6 +386,7 @@ void LogQSO::accept()
                     , m_myGrid
                     , xsent
                     , xrcvd
+                    , m_propmode
                     , m_log->QSOToADIF (hisCall
                                         , hisGrid
                                         , mode
@@ -236,7 +403,8 @@ void LogQSO::accept()
                                         , m_txPower
                                         , operator_call
                                         , xsent
-                                        , xrcvd));
+                                        , xrcvd
+                                        , m_propmode));
   QDialog::accept();
 }
 
diff --git a/widgets/logqso.h b/widgets/logqso.h
index 739a601f7..70674bad8 100644
--- a/widgets/logqso.h
+++ b/widgets/logqso.h
@@ -42,7 +42,7 @@ signals:
                   , QString const& name, QDateTime const& QSO_date_on,  QString const& operator_call
                   , QString const& my_call, QString const& my_grid
                   , QString const& exchange_sent, QString const& exchange_rcvd
-                  , QByteArray const& ADIF);
+                  , QString const& propmode, QByteArray const& ADIF);
 
 protected:
   void hideEvent (QHideEvent *);
@@ -57,6 +57,7 @@ private:
   LogBook * m_log;
   QString m_txPower;
   QString m_comments;
+  QString m_propmode;
   Radio::Frequency m_dialFreq;
   QString m_myCall;
   QString m_myGrid;
diff --git a/widgets/logqso.ui b/widgets/logqso.ui
index a03a3028a..f1b198cec 100644
--- a/widgets/logqso.ui
+++ b/widgets/logqso.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>377</width>
-    <height>287</height>
+    <width>437</width>
+    <height>351</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -447,6 +447,123 @@
      </item>
     </layout>
    </item>
+   <item>
+    <layout class="QHBoxLayout" name="horizontalLayout_8" stretch="0,0,0">
+     <item>
+      <widget class="QLabel" name="label_5">
+       <property name="text">
+        <string>Prop Mode</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="QComboBox" name="comboBoxPropMode">
+       <item>
+        <property name="text">
+         <string/>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>AS | Aircraft scatter</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>AUE | Aurora-E</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>AUR | Aurora</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>BS | Back scatter</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>ECH | Echolink</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>EME | Earth-moon-earth</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>ES | Sporadic E</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>F2 | F2 Reflection</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>FAI | Field aligned irregularities</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>INTERNET | Internet-assisted</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>ION | Ionoscatter</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>IRL | IRLP</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>MS | Meteor scatter</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>RPT | Terrestrial or atmospheric repeater or transponder</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>RS | Rain scatter</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>SAT | Satellite</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>TEP | Trans-equatorial</string>
+        </property>
+       </item>
+       <item>
+        <property name="text">
+         <string>TR | Troposheric ducting</string>
+        </property>
+       </item>
+      </widget>
+     </item>
+     <item>
+      <widget class="QCheckBox" name="cbPropMode">
+       <property name="text">
+        <string>Retain</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
    <item>
     <spacer name="verticalSpacer">
      <property name="orientation">
@@ -486,6 +603,8 @@
   <tabstop>cbTxPower</tabstop>
   <tabstop>comments</tabstop>
   <tabstop>cbComments</tabstop>
+  <tabstop>cbPropMode</tabstop>
+  <tabstop>comboBoxPropMode</tabstop>
  </tabstops>
  <resources/>
  <connections>
diff --git a/widgets/mainwindow.cpp b/widgets/mainwindow.cpp
index 0ed391faa..3ac19c349 100644
--- a/widgets/mainwindow.cpp
+++ b/widgets/mainwindow.cpp
@@ -5700,7 +5700,7 @@ void MainWindow::acceptQSO (QDateTime const& QSO_date_off, QString const& call,
                             , QString const& name, QDateTime const& QSO_date_on, QString const& operator_call
                             , QString const& my_call, QString const& my_grid
                             , QString const& exchange_sent, QString const& exchange_rcvd
-                            , QByteArray const& ADIF)
+                            , QString const& propmode, QByteArray const& ADIF)
 {
   QString date = QSO_date_on.toString("yyyyMMdd");
   if (!m_logBook.add (call, grid, m_config.bands()->find(dial_freq), mode, ADIF))
@@ -5711,7 +5711,7 @@ void MainWindow::acceptQSO (QDateTime const& QSO_date_off, QString const& call,
 
   m_messageClient->qso_logged (QSO_date_off, call, grid, dial_freq, mode, rpt_sent, rpt_received
                                , tx_power, comments, name, QSO_date_on, operator_call, my_call, my_grid
-                               , exchange_sent, exchange_rcvd);
+                               , exchange_sent, exchange_rcvd, propmode);
   m_messageClient->logged_ADIF (ADIF);
 
   // Log to N1MM Logger
diff --git a/widgets/mainwindow.h b/widgets/mainwindow.h
index 6da871b37..f9897e32e 100644
--- a/widgets/mainwindow.h
+++ b/widgets/mainwindow.h
@@ -240,7 +240,7 @@ private slots:
                   , QString const& name, QDateTime const& QSO_date_on, QString const& operator_call
                   , QString const& my_call, QString const& my_grid
                   , QString const& exchange_sent, QString const& exchange_rcvd
-                  , QByteArray const& ADIF);
+                  , QString const& propmode, QByteArray const& ADIF);
   void on_bandComboBox_currentIndexChanged (int index);
   void on_bandComboBox_activated (int index);
   void on_readFreq_clicked();