diff --git a/application/config/lotw.php b/application/config/lotw.php
index 43d14b947..b49574250 100644
--- a/application/config/lotw.php
+++ b/application/config/lotw.php
@@ -11,9 +11,24 @@ defined('BASEPATH') OR exit('No direct script access allowed');
 |--------------------------------------------------------------------------
 | Folder location for storing P12 certificate files on the system
 |--------------------------------------------------------------------------
-| 
+|
 | This folder must be outside of your www root for security reasons
 |
 */
 $config['lotw_keys_folder'] = "";
 
+/*
+|--------------------------------------------------------------------------
+| Propagation modes that are not supported by LoTW
+|--------------------------------------------------------------------------
+|
+| As per tqsl config the following propagation modes are not supported by
+| LoTW and ignored. So Wavelog will not handle them during LoTW sync.
+| As per tqsl v2.7.3 these modes are:
+| - RPT
+| - INTERNET
+| Please do not edit!
+|
+*/
+$config['lotw_unsupported_prop_modes'] = array('INTERNET', 'RPT');
+
diff --git a/application/migrations/209_unmark_unsupported_lotw_uploads.php b/application/migrations/209_unmark_unsupported_lotw_uploads.php
index 2149334b0..0be3c5bf2 100644
--- a/application/migrations/209_unmark_unsupported_lotw_uploads.php
+++ b/application/migrations/209_unmark_unsupported_lotw_uploads.php
@@ -5,10 +5,7 @@ class Migration_unmark_unsupported_lotw_uploads extends CI_Migration
 {
    public function up() {
 
-      // Missing in tqsl 2.7.3 config.xml
-      $lotw_unsupported_modes = array('INTERNET', 'RPT');
-
-      $this->db->where_in('COL_PROP_MODE', $lotw_unsupported_modes);
+      $this->db->where_in('COL_PROP_MODE', $this->config->item('lotw_unsupported_propmodes'));
       $this->db->update($this->config->item('table_name'), array('COL_LOTW_QSLSDATE' => null, 'COL_LOTW_QSL_SENT' => 'N'));
    }
 
diff --git a/application/models/Logbook_model.php b/application/models/Logbook_model.php
index 3df51f86d..eed16b219 100644
--- a/application/models/Logbook_model.php
+++ b/application/models/Logbook_model.php
@@ -1230,16 +1230,13 @@ class Logbook_model extends CI_Model {
 		  $eqsl_rcvd = 'N';
 	  }
 
-		// Missing in tqsl 2.7.3 config.xml
-		$lotw_unsupported_modes = array('INTERNET', 'RPT');
-
-	  if ($this->input->post('lotw_sent') && !in_array($this->input->post('prop_mode'), $lotw_unsupported_modes)) {
+	  if ($this->input->post('lotw_sent') && !in_array($this->input->post('prop_mode'), $this->config->item('lotw_unsupported_prop_modes'))) {
 		  $lotw_sent = $this->input->post('lotw_sent');
 	  } else {
 		  $lotw_sent = 'N';
 	  }
 
-	  if ($this->input->post('lotw_rcvd') && !in_array($this->input->post('prop_mode'), $lotw_unsupported_modes)) {
+	  if ($this->input->post('lotw_rcvd') && !in_array($this->input->post('prop_mode'), $this->config->item('lotw_unsupported_prop_modes'))) {
 		  $lotw_rcvd = $this->input->post('lotw_rcvd');
 	  } else {
 		  $lotw_rcvd = 'N';
@@ -4855,9 +4852,6 @@ function lotw_last_qsl_date($user_id) {
 
   function get_lotw_qsos_to_upload($station_id, $start_date, $end_date) {
 
-    // Missing in tqsl 2.7.3 config.xml
-    $lotw_unsupported_modes = array('INTERNET', 'RPT');
-
     $this->db->select('COL_PRIMARY_KEY,COL_CALL, COL_BAND, COL_BAND_RX, COL_TIME_ON, COL_RST_RCVD, COL_RST_SENT, COL_MODE, COL_SUBMODE, COL_FREQ, COL_FREQ_RX, COL_GRIDSQUARE, COL_SAT_NAME, COL_PROP_MODE, COL_LOTW_QSL_SENT, station_id');
 
     $this->db->where("station_id", $station_id);
@@ -4865,7 +4859,7 @@ function lotw_last_qsl_date($user_id) {
     $this->db->where('COL_LOTW_QSL_SENT', NULL);
     $this->db->or_where('COL_LOTW_QSL_SENT !=', "Y");
     $this->db->group_end();
-    $this->db->where_not_in('COL_PROP_MODE', $lotw_unsupported_modes);
+    $this->db->where_not_in('COL_PROP_MODE', $this->config->item('lotw_unsupported_prop_modes'));
     $this->db->where('COL_TIME_ON >=', $start_date);
     $this->db->where('COL_TIME_ON <=', $end_date);
     $this->db->order_by("COL_TIME_ON", "desc");