diff --git a/NanoVNASaver/Marker.py b/NanoVNASaver/Marker.py
index cab54b6..2856443 100644
--- a/NanoVNASaver/Marker.py
+++ b/NanoVNASaver/Marker.py
@@ -41,31 +41,66 @@ class Marker(QtCore.QObject):
         self.frequencyInput.setAlignment(QtCore.Qt.AlignRight)
         self.frequencyInput.returnPressed.connect(lambda: self.setFrequency(self.frequencyInput.text()))
 
+        ################################################################################################################
+        # Data display label
+        ################################################################################################################
+
+        self.frequency_label = QtWidgets.QLabel("")
+        self.frequency_label.setMinimumWidth(100)
+        self.impedance_label = QtWidgets.QLabel("")
+        self.returnloss_label = QtWidgets.QLabel("")
+        self.returnloss_label.setMinimumWidth(80)
+        self.vswr_label = QtWidgets.QLabel("")
+        self.inductance_label = QtWidgets.QLabel("")
+        self.capacitance_label = QtWidgets.QLabel("")
+        self.gain_label = QtWidgets.QLabel("")
+        self.phase_label = QtWidgets.QLabel("")
+        self.quality_factor_label = QtWidgets.QLabel("")
+
+        ################################################################################################################
+        # Marker control layout
+        ################################################################################################################
+
         self.btnColorPicker = QtWidgets.QPushButton("█")
         self.btnColorPicker.setFixedWidth(20)
         self.setColor(initialColor)
         self.btnColorPicker.clicked.connect(lambda: self.setColor(QtWidgets.QColorDialog.getColor(self.color, options=QtWidgets.QColorDialog.ShowAlphaChannel)))
+        self.radioButton = QtWidgets.QRadioButton()
 
         self.layout = QtWidgets.QHBoxLayout()
         self.layout.addWidget(self.frequencyInput)
         self.layout.addWidget(self.btnColorPicker)
+        self.layout.addWidget(self.radioButton)
+
+        ################################################################################################################
+        # Data display layout
+        ################################################################################################################
 
         self.group_box = QtWidgets.QGroupBox(self.name)
-        box_layout = QtWidgets.QFormLayout(self.group_box)
-        self.frequency_label = QtWidgets.QLabel("")
-        box_layout.addRow(QtWidgets.QLabel("Actual frequency:"), self.frequency_label)
-        self.impedance_label = QtWidgets.QLabel("")
-        box_layout.addRow(QtWidgets.QLabel("Impedance:"), self.impedance_label)
-        self.returnloss_label = QtWidgets.QLabel("")
-        box_layout.addRow(QtWidgets.QLabel("Return loss:"), self.returnloss_label)
-        self.vswr_label = QtWidgets.QLabel("")
-        box_layout.addRow(QtWidgets.QLabel("VSWR:"), self.vswr_label)
-        self.reactance_label = QtWidgets.QLabel("")
-        box_layout.addRow(QtWidgets.QLabel("C/L equivalent:"), self.reactance_label)
-        self.gain_label = QtWidgets.QLabel("")
-        box_layout.addRow(QtWidgets.QLabel("S21 Gain:"), self.gain_label)
-        self.phase_label = QtWidgets.QLabel("")
-        box_layout.addRow(QtWidgets.QLabel("S21 Phase:"), self.phase_label)
+        box_layout = QtWidgets.QHBoxLayout(self.group_box)
+
+        line = QtWidgets.QFrame()
+        line.setFrameShape(QtWidgets.QFrame.VLine)
+        #line.setFrameShadow(QtWidgets.QFrame.Sunken)
+
+        left_form = QtWidgets.QFormLayout()
+        right_form = QtWidgets.QFormLayout()
+        box_layout.addLayout(left_form)
+        box_layout.addWidget(line)
+        box_layout.addLayout(right_form)
+
+        # Left side
+        left_form.addRow(QtWidgets.QLabel("Frequency:"), self.frequency_label)
+        left_form.addRow(QtWidgets.QLabel("Impedance:"), self.impedance_label)
+        left_form.addRow(QtWidgets.QLabel("L equiv.:"), self.inductance_label)
+        left_form.addRow(QtWidgets.QLabel("C equiv.:"), self.capacitance_label)
+        left_form.addRow(QtWidgets.QLabel("Q:"), self.quality_factor_label)
+
+        # Right side
+        right_form.addRow(QtWidgets.QLabel("Return loss:"), self.returnloss_label)
+        right_form.addRow(QtWidgets.QLabel("VSWR:"), self.vswr_label)
+        right_form.addRow(QtWidgets.QLabel("S21 Gain:"), self.gain_label)
+        right_form.addRow(QtWidgets.QLabel("S21 Phase:"), self.phase_label)
 
     def setFrequency(self, frequency):
         from .NanoVNASaver import NanoVNASaver
@@ -111,9 +146,11 @@ class Marker(QtCore.QObject):
         self.impedance_label.setText("")
         self.vswr_label.setText("")
         self.returnloss_label.setText("")
-        self.reactance_label.setText("")
+        self.inductance_label.setText("")
+        self.capacitance_label.setText("")
         self.gain_label.setText("")
         self.phase_label.setText("")
+        self.quality_factor_label.setText("")
 
     def updateLabels(self, s11data: List[Datapoint], s21data: List[Datapoint]):
         from NanoVNASaver.Chart import PhaseChart
@@ -121,15 +158,21 @@ class Marker(QtCore.QObject):
         if self.location != -1:
             im50, re50, vswr = NanoVNASaver.vswr(s11data[self.location])
             if im50 < 0:
-                im50str = " - j" + str(round(-1 * im50, 3))
+                im50str = " -j" + str(round(-1 * im50, 3))
             else:
-                im50str = " + j" + str(round(im50, 3))
+                im50str = " +j" + str(round(im50, 3))
             self.frequency_label.setText(NanoVNASaver.formatFrequency(s11data[self.location].freq))
             self.impedance_label.setText(str(round(re50, 3)) + im50str)
             self.returnloss_label.setText(str(round(20 * math.log10((vswr - 1) / (vswr + 1)), 3)) + " dB")
-            reactance = NanoVNASaver.reactanceEquivalent(im50, s11data[self.location].freq)
-            self.reactance_label.setText(reactance)
-            self.vswr_label.setText(str(round(vswr, 3)))
+            capacitance = NanoVNASaver.capacitanceEquivalent(im50, s11data[self.location].freq)
+            inductance = NanoVNASaver.inductanceEquivalent(im50, s11data[self.location].freq)
+            self.inductance_label.setText(inductance)
+            self.capacitance_label.setText(capacitance)
+            vswr = round(vswr, 3)
+            if vswr < 0:
+                vswr = "-"
+            self.vswr_label.setText(str(vswr))
+            self.quality_factor_label.setText(str(round(NanoVNASaver.qualifyFactor(s11data[self.location]), 1)))
             if len(s21data) == len(s11data):
                 _, _, vswr = NanoVNASaver.vswr(s21data[self.location])
                 self.gain_label.setText(str(round(20 * math.log10((vswr - 1) / (vswr + 1)), 3)) + " dB")
diff --git a/NanoVNASaver/NanoVNASaver.py b/NanoVNASaver/NanoVNASaver.py
index 4d7c857..c7fb2a6 100644
--- a/NanoVNASaver/NanoVNASaver.py
+++ b/NanoVNASaver/NanoVNASaver.py
@@ -41,6 +41,8 @@ class NanoVNASaver(QtWidgets.QWidget):
 
     def __init__(self):
         super().__init__()
+        self.setWindowIcon(QtGui.QIcon("icon_48x48.png"))
+
         self.settings = QtCore.QSettings(QtCore.QSettings.IniFormat,
                                          QtCore.QSettings.UserScope,
                                          "NanoVNASaver", "NanoVNASaver")
@@ -187,7 +189,7 @@ class NanoVNASaver(QtWidgets.QWidget):
 
         marker_control_box = QtWidgets.QGroupBox()
         marker_control_box.setTitle("Markers")
-        marker_control_box.setMaximumWidth(300)
+        marker_control_box.setMaximumWidth(350)
         marker_control_layout = QtWidgets.QFormLayout(marker_control_box)
 
         mouse_marker_color = self.settings.value("MouseMarkerColor", QtGui.QColor(20, 255, 20), QtGui.QColor)
@@ -466,7 +468,7 @@ class NanoVNASaver(QtWidgets.QWidget):
 
         self.lister = QtWidgets.QPlainTextEdit()
         self.lister.setFixedHeight(200)
-        self.lister.setMaximumWidth(300)
+        self.lister.setMaximumWidth(350)
         marker_column.addWidget(self.lister)
 
         self.worker.signals.updated.connect(self.dataUpdated)
@@ -768,10 +770,14 @@ class NanoVNASaver(QtWidgets.QWidget):
         return Q
 
     @staticmethod
-    def reactanceEquivalent(im50, freq) -> str:
+    def capacitanceEquivalent(im50, freq) -> str:
         capacitance = 10**12/(freq * 2 * math.pi * im50)
+        return str(round(-capacitance, 3)) + " pF"
+
+    @staticmethod
+    def inductanceEquivalent(im50, freq) -> str:
         inductance = im50 / (freq * 2 * math.pi)
-        return str(round(-capacitance, 3)) + " pF / " + str(round(inductance * 1000000000, 3)) + " nH"
+        return str(round(inductance * 1000000000, 3)) + " nH"
 
     @staticmethod
     def gain(data: Datapoint):
diff --git a/icon_48x48.png b/icon_48x48.png
new file mode 100644
index 0000000..20fdfa0
Binary files /dev/null and b/icon_48x48.png differ