diff --git a/mainwindow.cpp b/mainwindow.cpp
index 4c598660f..1e1346a73 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -215,6 +215,7 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
   m_waterfallAvg {1},
   m_ntx {1},
   m_gen_message_is_cq {false},
+  m_send_RR73 {false},
   m_XIT {0},
   m_sec0 {-1},
   m_RxLog {1},			//Write Date and Time to RxLog
@@ -3484,6 +3485,12 @@ void MainWindow::on_txrb4_toggled(bool status)
   }
 }
 
+void MainWindow::on_txrb4_doubleClicked()
+{
+  m_send_RR73 = !m_send_RR73;
+  genStdMsgs (m_rpt);
+}
+
 void MainWindow::on_txrb5_toggled(bool status)
 {
   if (status) {
@@ -3546,6 +3553,12 @@ void MainWindow::on_txb4_clicked()
     if (m_transmitting) m_restart=true;
 }
 
+void MainWindow::on_txb4_doubleClicked()
+{
+  m_send_RR73 = !m_send_RR73;
+  genStdMsgs (m_rpt);
+}
+
 void MainWindow::on_txb5_clicked()
 {
     m_ntx=5;
@@ -4021,7 +4034,7 @@ void MainWindow::genStdMsgs(QString rpt, bool unconditional)
     t=t+" OOO";
     msgtype(t, ui->tx2);
     msgtype("RO", ui->tx3);
-    msgtype("RRR", ui->tx4);
+    msgtype(m_send_RR73 ? "RR73" : "RRR", ui->tx4);
     msgtype("73", ui->tx5->lineEdit ());
   } else {
     int n=rpt.toInt();
@@ -4055,7 +4068,7 @@ void MainWindow::genStdMsgs(QString rpt, bool unconditional)
       t=t0 + "R" + rpt;
       msgtype(t, ui->tx3);
     }
-    t=t0 + "RRR";
+    t=t0 + (m_send_RR73 ? "RR73" : "RRR");
     if ((m_mode=="JT4" || m_mode=="QRA64") && m_bShMsgs) t="@1500  (RRR)";
     msgtype(t, ui->tx4);
     t=t0 + "73";
@@ -5176,6 +5189,7 @@ void MainWindow::band_changed (Frequency f)
         // disable auto Tx if "blind" QSY outside of waterfall
         ui->stopTxButton->click (); // halt any transmission
         auto_tx_mode (false);       // disable auto Tx
+        m_send_RR73 = false;        // force user to reassess on new band
       }
     }
     m_lastBand.clear ();
diff --git a/mainwindow.h b/mainwindow.h
index 6af2e5e53..4404532da 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -160,6 +160,7 @@ private slots:
   void on_txrb2_toggled(bool status);
   void on_txrb3_toggled(bool status);
   void on_txrb4_toggled(bool status);
+  void on_txrb4_doubleClicked ();
   void on_txrb5_toggled(bool status);
   void on_txrb5_doubleClicked ();
   void on_txrb6_toggled(bool status);
@@ -168,6 +169,7 @@ private slots:
   void on_txb2_clicked();
   void on_txb3_clicked();
   void on_txb4_clicked();
+  void on_txb4_doubleClicked ();
   void on_txb5_clicked();
   void on_txb5_doubleClicked ();
   void on_txb6_clicked();
@@ -367,6 +369,7 @@ private:
   qint32  m_waterfallAvg;
   qint32  m_ntx;
   bool m_gen_message_is_cq;
+  bool m_send_RR73;
   qint32  m_timeout;
   qint32  m_XIT;
   qint32  m_setftx;
diff --git a/mainwindow.ui b/mainwindow.ui
index 622c7f14c..84a8ff293 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -1235,7 +1235,7 @@ QLabel[oob="true"] {
                     </widget>
                    </item>
                    <item row="4" column="1" alignment="Qt::AlignHCenter|Qt::AlignVCenter">
-                    <widget class="QRadioButton" name="txrb4">
+                    <widget class="DoubleClickableRadioButton" name="txrb4">
                      <property name="toolTip">
                       <string>Send this message in next Tx interval</string>
                      </property>
@@ -1251,7 +1251,7 @@ QLabel[oob=&quot;true&quot;] {
                     </widget>
                    </item>
                    <item row="4" column="2">
-                    <widget class="QPushButton" name="txb4">
+                    <widget class="DoubleClickablePushButton" name="txb4">
                      <property name="maximumSize">
                       <size>
                        <width>30</width>