diff --git a/config_SAMPLE.py b/config_SAMPLE.py
index 59376f0..066c62d 100644
--- a/config_SAMPLE.py
+++ b/config_SAMPLE.py
@@ -21,6 +21,7 @@ SUBSCRIBER_FILE = 'subscriber_ids.json'          # Will auto-download
 TGID_FILE       = 'talkgroup_ids.json'           # User provided
 LOCAL_SUB_FILE  = 'local_subscriber_ids.json'    # User provided (optional, leave '' if you don't use it)
 LOCAL_PEER_FILE = 'local_peer_ids.json'          # User provided (optional, leave '' if you don't use it)
+LOCAL_TGID_FILE = 'local_talkgroup_ids.json'     # User provided (optional, leave '' if you don't use it)
 FILE_RELOAD     = 15                              # Number of days before we reload DMR-MARC database files
 PEER_URL        = 'https://database.radioid.net/static/rptrs.json'
 SUBSCRIBER_URL  = 'https://database.radioid.net/static/users.json'
diff --git a/html/info.php b/html/info.php
index 0314853..a968803 100644
--- a/html/info.php
+++ b/html/info.php
@@ -46,7 +46,7 @@ include_once 'include/config.php';
     </tr>
 </table>
 <br>
-<span style="text-align: center;">Hotspot: D - duplex | S - smiplex</span>
+<span style="text-align: center;">Hotspot: D - duplex | S - simplex</span>
 </fieldset></div><br>
 
 <p style="text-align: center;"><span style="text-align: center;">
diff --git a/local_talkgroup_ids.json b/local_talkgroup_ids.json
new file mode 100644
index 0000000..ea1c37a
--- /dev/null
+++ b/local_talkgroup_ids.json
@@ -0,0 +1,10 @@
+{
+  "results": [
+    {
+      "tgid": 9,
+      "callsign": "TG Local",
+      "country": "",
+      "id": "9"
+    }
+  ]
+}
diff --git a/monitor.py b/monitor.py
index 0a33aa3..d280257 100644
--- a/monitor.py
+++ b/monitor.py
@@ -1008,6 +1008,11 @@ if __name__ == '__main__':
         logging.info('ID ALIAS MAPPER: local_subscriber_ids added to subscriber_ids dictionary')
         subscriber_ids.update(local_subscriber_ids)
 
+    local_talkgroup_ids = mk_full_id_dict(PATH, LOCAL_TGID_FILE, 'tgid')
+    if local_talkgroup_ids:
+        logging.info('ID ALIAS MAPPER: local_talkgroup_ids added to talkgroup_ids dictionary')
+        talkgroup_ids.update(local_talkgroup_ids)
+
     local_peer_ids = mk_full_id_dict(PATH, LOCAL_PEER_FILE, 'peer')
     if local_peer_ids:
         logging.info('ID ALIAS MAPPER: local_peer_ids added peer_ids dictionary')