diff --git a/mainwindow.cpp b/mainwindow.cpp
index 648c949ff..bd38b128e 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -422,6 +422,9 @@ MainWindow::MainWindow(bool multiple, QSettings * settings, QSharedMemory *shdme
   m_nclearave=1;
   m_bEchoTxed=false;
   m_nWSPRdecodes=0;
+  QString t1[28]={"1 uW","2 uW","5 uW","10 uW","20 uW","50 uW","100 uW","200 uW","500 uW",
+                  "1 mW","2 mW","5 mW","10 mW","20 mW","50 mW","100 mW","200 mW","500 mW",
+                  "1 W","2 W","5 W","10 W","20 W","50 W","100 W","200 W","500 W","1 kW"};
 
   for(int i=0; i<28; i++)  {                      //Initialize dBm values
     float dbm=(10.0*i)/3.0 - 30.0;
@@ -429,7 +432,8 @@ MainWindow::MainWindow(bool multiple, QSettings * settings, QSharedMemory *shdme
     if(dbm<0) ndbm=int(dbm-0.5);
     if(dbm>=0) ndbm=int(dbm+0.5);
     QString t;
-    t.sprintf("%d dBm",ndbm);
+    t.sprintf("%d dBm  ",ndbm);
+    t+=t1[i];
     ui->TxPowerComboBox->addItem(t);
   }
 
diff --git a/mainwindow.ui b/mainwindow.ui
index 49c92750a..d79971777 100644
--- a/mainwindow.ui
+++ b/mainwindow.ui
@@ -1682,24 +1682,18 @@ list. The list can be maintained in Settings (F2).</string>
                     </layout>
                    </widget>
                   </item>
-                  <item row="1" column="1">
-                   <widget class="QSpinBox" name="sbTxPercent">
-                    <property name="toolTip">
-                     <string>Percentage of 2-minute sequences devoted to transmitting.</string>
+                  <item row="0" column="3">
+                   <spacer name="horizontalSpacer_2">
+                    <property name="orientation">
+                     <enum>Qt::Horizontal</enum>
                     </property>
-                    <property name="alignment">
-                     <set>Qt::AlignCenter</set>
+                    <property name="sizeHint" stdset="0">
+                     <size>
+                      <width>40</width>
+                      <height>20</height>
+                     </size>
                     </property>
-                    <property name="suffix">
-                     <string>  %</string>
-                    </property>
-                    <property name="prefix">
-                     <string>Tx Pct </string>
-                    </property>
-                    <property name="maximum">
-                     <number>100</number>
-                    </property>
-                   </widget>
+                   </spacer>
                   </item>
                   <item row="0" column="2">
                    <widget class="QCheckBox" name="cbUploadWSPR_Spots">
@@ -1777,18 +1771,24 @@ list. The list can be maintained in Settings (F2).</string>
                     </property>
                    </spacer>
                   </item>
-                  <item row="0" column="3">
-                   <spacer name="horizontalSpacer_2">
-                    <property name="orientation">
-                     <enum>Qt::Horizontal</enum>
+                  <item row="1" column="1">
+                   <widget class="QSpinBox" name="sbTxPercent">
+                    <property name="toolTip">
+                     <string>Percentage of 2-minute sequences devoted to transmitting.</string>
                     </property>
-                    <property name="sizeHint" stdset="0">
-                     <size>
-                      <width>40</width>
-                      <height>20</height>
-                     </size>
+                    <property name="alignment">
+                     <set>Qt::AlignCenter</set>
                     </property>
-                   </spacer>
+                    <property name="suffix">
+                     <string>  %</string>
+                    </property>
+                    <property name="prefix">
+                     <string>Tx Pct </string>
+                    </property>
+                    <property name="maximum">
+                     <number>100</number>
+                    </property>
+                   </widget>
                   </item>
                  </layout>
                 </widget>