+ c.gridwidth = 4;
+ c.fill = GridBagConstraints.NONE;
+ c.anchor = GridBagConstraints.LINE_START;
+ c.insets = il;
+ c.ipady = 5;
+ radio_calibration_label = new JLabel("RF Calibration:");
+ pane.add(radio_calibration_label, c);
+
+ c = new GridBagConstraints();
+ c.gridx = 4; c.gridy = 6;
+ c.gridwidth = 4;
+ c.fill = GridBagConstraints.HORIZONTAL;
+ c.weightx = 1;
+ c.anchor = GridBagConstraints.LINE_START;
+ c.insets = ir;
+ c.ipady = 5;
+ radio_calibration_value = new JTextField(String.format("%d", 1186611));
+ radio_calibration_value.getDocument().addDocumentListener(this);
+ pane.add(radio_calibration_value, c);
+
+ /* Callsign */
+ c = new GridBagConstraints();
+ c.gridx = 0; c.gridy = 7;
+ c.gridwidth = 4;