diff --git a/README.md b/README.md
index ef18e0c..a62ccb0 100644
--- a/README.md
+++ b/README.md
@@ -78,6 +78,7 @@ brother.
 
 ## Recent Changes
 
+- [24.2.21] Added OPON.
 - [24.2.19] Corrected the datetime.utcnow() deprecation to work on Python 3.9+
 - [24.2.11] Trapped a KeyError in get_state()
 - [24.1.27] Removed some datetime.utcnow() and pkgutil.getloader() deprecations.
diff --git a/fdlogger/__main__.py b/fdlogger/__main__.py
index a2f0a5f..088d793 100644
--- a/fdlogger/__main__.py
+++ b/fdlogger/__main__.py
@@ -6,6 +6,7 @@
 GPL V3
 """
 # pylint: disable=too-many-lines, invalid-name, no-member, no-value-for-parameter, line-too-long
+# pylint: disable=logging-fstring-interpolation
 # Nothing to see here move along.
 # xplanet -body earth -window -longitude -117 -latitude 38
 # -config Default -projection azmithal -radius 200 -wait 5
@@ -17,8 +18,6 @@
 from json import dumps, loads, JSONDecodeError
 from shutil import copyfile
 
-# import pkgutil
-
 # from xmlrpc.client import ServerProxy, Error
 import struct
 import datetime as dt
@@ -32,8 +31,6 @@
 import time
 from itertools import chain
 
-# from time import gmtime, strftime
-
 import requests
 from PyQt5.QtNetwork import QUdpSocket, QHostAddress
 from PyQt5.QtGui import QFontDatabase
@@ -47,6 +44,7 @@
     from fdlogger.lib.database import DataBase
     from fdlogger.lib.cwinterface import CW
     from fdlogger.lib.n1mm import N1MM
+    from fdlogger.lib.edit_opon import OpOn
     from fdlogger.lib.version import __version__
 except ModuleNotFoundError:
     from lib.lookup import HamDBlookup, HamQTH, QRZlookup
@@ -55,6 +53,7 @@
     from lib.database import DataBase
     from lib.cwinterface import CW
     from lib.n1mm import N1MM
+    from lib.edit_opon import OpOn
     from lib.version import __version__
 
 
@@ -119,6 +118,7 @@ class MainWindow(QtWidgets.QMainWindow):
     groupcall = None
     server_commands = []
     server_seen = None
+    opon_dialog = None
 
     def __init__(self, *args, **kwargs):
         """Initialize"""
@@ -262,6 +262,49 @@ def __init__(self, *args, **kwargs):
         self.udp_socket.bind(QHostAddress.LocalHost, 2237)
         self.udp_socket.readyRead.connect(self.on_udp_socket_ready_read)
 
+    def get_opon(self) -> None:
+        """
+        Ctrl+O Open the OPON dialog.
+
+        Parameters
+        ----------
+        None
+
+        Returns
+        -------
+        None
+        """
+
+        self.opon_dialog = OpOn(os.path.dirname(__loader__.get_filename()))
+        self.opon_dialog.accepted.connect(self.new_op)
+        self.opon_dialog.open()
+
+    def new_op(self) -> None:
+        """
+        Called when the user clicks the OK button on the OPON dialog.
+        Create the new directory and copy the phonetic files.
+
+        Parameters
+        ----------
+        None
+
+        Returns
+        -------
+        None
+        """
+
+        if self.opon_dialog.NewOperator.text():
+            newop = self.opon_dialog.NewOperator.text().upper()
+            if newop:
+                self.n1mm.set_operator(newop)
+                self.preference["mycall"] = newop
+                self.preference["n1mm_operator"] = newop
+                logger.debug(f"{newop=}")
+                self.writepreferences()
+        self.opon_dialog.close()
+
+        # self.make_op_dir()
+
     def show_people(self):
         """Display operators"""
         rev_dict = {}
@@ -1066,7 +1109,9 @@ def poll_radio(self):
         else:
             logger.info("cat_control %s", self.cat_control)
             self.radio_icon.setPixmap(QtGui.QPixmap(self.radio_grey))
-            self.oldmode = self.mode # Set so the UDP packet sends mode when no radio connected - NY4I
+            self.oldmode = (
+                self.mode
+            )  # Set so the UDP packet sends mode when no radio connected - NY4I
 
     def flash(self):
         """Flash the screen"""
@@ -1396,6 +1441,10 @@ def calltest(self):
                 ).upper()
                 self.callsign_entry.setText(cleaned)
                 self.callsign_entry.setCursorPosition(washere)
+                if cleaned == "OPON":
+                    self.get_opon()
+                    self.clearinputs()
+                    return
                 self.super_check()
 
     def classtest(self):
@@ -1663,12 +1712,16 @@ def log_contact(self):
 
         if self.preference.get("send_n1mm_packets"):
             if self.oldfreq == 0:
-               self.n1mm.contact_info["rxfreq"] = str(self.fakefreq(self.band, self.mode))
-               self.n1mm.contact_info["txfreq"] = str(self.fakefreq(self.band, self.mode))
+                self.n1mm.contact_info["rxfreq"] = str(
+                    self.fakefreq(self.band, self.mode)
+                )
+                self.n1mm.contact_info["txfreq"] = str(
+                    self.fakefreq(self.band, self.mode)
+                )
             else:
                 self.n1mm.contact_info["rxfreq"] = str(self.oldfreq)[:-1]
                 self.n1mm.contact_info["txfreq"] = str(self.oldfreq)[:-1]
-                
+
             self.n1mm.contact_info["mode"] = self.oldmode
             if self.oldmode in ("CW", "DG"):
                 self.n1mm.contact_info["points"] = "2"
@@ -2577,6 +2630,7 @@ def save_changes(self):
 
     def delete_contact(self):
         """delete the contact"""
+        oldguy = self.database.contact_by_id(self.theitem)
         self.database.delete_contact(self.theitem)
         if window.connect_to_server:
             stale = datetime.now() + timedelta(seconds=30)
@@ -2598,8 +2652,8 @@ def delete_contact(self):
             window.n1mm.contactdelete["timestamp"] = datetime.now(
                 dt.timezone.utc
             ).strftime("%Y-%m-%d %H:%M:%S")
-            window.n1mm.contactdelete["call"] = self.contact.get("callsign")
-            window.n1mm.contactdelete["ID"] = self.contact.get("unique_id")
+            window.n1mm.contactdelete["call"] = oldguy[0][1]
+            window.n1mm.contactdelete["ID"] = self.unique_id
             window.n1mm.send_contact_delete()
 
         self.change.lineChanged.emit()
diff --git a/fdlogger/data/opon.ui b/fdlogger/data/opon.ui
new file mode 100644
index 0000000..6e0a51f
--- /dev/null
+++ b/fdlogger/data/opon.ui
@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Dialog</class>
+ <widget class="QDialog" name="Dialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>382</width>
+    <height>90</height>
+   </rect>
+  </property>
+  <property name="font">
+   <font>
+    <family>JetBrains Mono</family>
+   </font>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0">
+    <layout class="QFormLayout" name="formLayout">
+     <property name="formAlignment">
+      <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter</set>
+     </property>
+     <item row="0" column="0">
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>Operator:</string>
+       </property>
+      </widget>
+     </item>
+     <item row="0" column="1">
+      <widget class="QLineEdit" name="NewOperator">
+       <property name="accessibleName">
+        <string>Operator</string>
+       </property>
+       <property name="accessibleDescription">
+        <string>Callsign of current operator.</string>
+       </property>
+      </widget>
+     </item>
+    </layout>
+   </item>
+   <item row="0" column="1">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>Dialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>248</x>
+     <y>254</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>157</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>Dialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>316</x>
+     <y>260</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>286</x>
+     <y>274</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/fdlogger/lib/edit_opon.py b/fdlogger/lib/edit_opon.py
new file mode 100644
index 0000000..bfa4dc8
--- /dev/null
+++ b/fdlogger/lib/edit_opon.py
@@ -0,0 +1,15 @@
+"""Edit OpOn"""
+
+from PyQt5 import QtWidgets, uic
+
+
+class OpOn(QtWidgets.QDialog):
+    """Change the current operator"""
+
+    def __init__(self, WORKING_PATH, parent=None):
+        super().__init__(parent)
+        uic.loadUi(WORKING_PATH + "/data/opon.ui", self)
+        self.buttonBox.clicked.connect(self.store)
+
+    def store(self):
+        """dialog magic"""
diff --git a/fdlogger/lib/n1mm.py b/fdlogger/lib/n1mm.py
index 62796f0..043fb34 100644
--- a/fdlogger/lib/n1mm.py
+++ b/fdlogger/lib/n1mm.py
@@ -18,7 +18,7 @@ class N1MM:
     """ "Send N1MM style packets"""
 
     radio_info = {
-        "app": "K6GTE-WFD",
+        "app": "K6GTE-FDLOGGER",
         "StationName": "",
         "uNICORNbLOOD": "1",
         "RadioNr": "1",
@@ -43,8 +43,8 @@ class N1MM:
     }
 
     contact_info = {
-        "app": "K6GTE-WFD",
-        "contestname": "Winter Field Day",
+        "app": "K6GTE-FDLOGGER",
+        "contestname": "ARRL Field Day",
         "contestnr": "1",
         "timestamp": "",
         "mycall": "",
@@ -92,26 +92,26 @@ class N1MM:
     }
 
     contactdelete = {
-        "app": "K6GTE-WFD",
+        "app": "K6GTE-FDLOGGER",
         "timestamp": "",
         "call": "",
         "contestnr": "1",
         "StationName": "",
         "ID": "",
     }
-    
+
     bandToUDPBand = {
-       "160" : "1.8",
-       "80"  : "3.5",
-       "40"  : "7",
-       "20"  : "14",
-       "15"  : "21",
-       "10"  : "28",
-       "6"   : "50",
-       "2"   : "144",
-       "222" : "222",
-       "432" : "420",
-       "SAT" : "144", # The fakefreqs are 2m so I picked 2m for SAT - NY4I
+        "160": "1.8",
+        "80": "3.5",
+        "40": "7",
+        "20": "14",
+        "15": "21",
+        "10": "28",
+        "6": "50",
+        "2": "144",
+        "222": "222",
+        "432": "420",
+        "SAT": "144",  # The fakefreqs are 2m so I picked 2m for SAT - NY4I
     }
 
     def __init__(
diff --git a/fdlogger/lib/version.py b/fdlogger/lib/version.py
index 2b30c00..8571bcb 100644
--- a/fdlogger/lib/version.py
+++ b/fdlogger/lib/version.py
@@ -1,2 +1,2 @@
 """It's the version"""
-__version__ = "24.2.19"
+__version__ = "24.2.21"
diff --git a/pyproject.toml b/pyproject.toml
index 1423a53..7f75a33 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "fdlogger" 
-version = "24.2.19"
+version = "24.2.21"
 description = "ARRL Field Day logger GUI"
 readme = "README.md"
 requires-python = ">=3.9"