diff --git a/application/controllers/Adif.php b/application/controllers/Adif.php
index ca3b4fff..cbf2f52c 100644
--- a/application/controllers/Adif.php
+++ b/application/controllers/Adif.php
@@ -82,7 +82,14 @@ class adif extends CI_Controller {
 
 		$this->load->model('adif_data');
 
-		$data['qsos'] = $this->adif_data->export_custom($this->input->post('from'), $this->input->post('to'));
+		// Used for exporting QSOs not previously exported to LoTW
+        if ($this->input->post('exportLotw') == 1) {
+            $exportLotw = true;
+        } else {
+            $exportLotw = false;
+        }
+
+		$data['qsos'] = $this->adif_data->export_custom($this->input->post('from'), $this->input->post('to'), $exportLotw);
 
 		$this->load->view('adif/data/exportall', $data);
 
diff --git a/application/models/Adif_data.php b/application/models/Adif_data.php
index 008af8a0..8b15e9f2 100644
--- a/application/models/Adif_data.php
+++ b/application/models/Adif_data.php
@@ -67,10 +67,9 @@ class adif_data extends CI_Model {
         return $this->db->get();
     }
     
-    function export_custom($from, $to) {
+    function export_custom($from, $to, $exportLotw = false) {
         $this->load->model('stations');
         $active_station_id = $this->stations->find_active();
-        
 
         $this->db->select(''.$this->config->item('table_name').'.*, station_profile.*');
         $this->db->from($this->config->item('table_name'));
@@ -87,6 +86,10 @@ class adif_data extends CI_Model {
             $to = $to->format('Y-m-d');
             $this->db->where("date(".$this->config->item('table_name').".COL_TIME_ON) <= '".$to."'");
         }
+        if ($exportLotw) {
+            $this->db->where($this->config->item('table_name').".COL_LOTW_QSL_SENT != 'Y'");
+        }
+
         $this->db->order_by($this->config->item('table_name').".COL_TIME_ON", "ASC");
 
         $this->db->join('station_profile', 'station_profile.station_id = '.$this->config->item('table_name').'.station_id');
diff --git a/application/views/adif/import.php b/application/views/adif/import.php
index 66e0aa80..f84cd2f2 100644
--- a/application/views/adif/import.php
+++ b/application/views/adif/import.php
@@ -106,6 +106,14 @@
                   </div>
               </div>
           </div>
+          <div class="form-group row">
+              <div class="col-md-10">
+                  <div class="form-check-inline">
+                      <input class="form-check-input" type="checkbox" name="exportLotw" value="1" id="exportLotw">
+                      <label class="form-check-label" for="exportLotw">Export QSOs not uploaded to LoTW</label>
+                  </div>
+              </div>
+          </div>
 
     <button type="submit" class="btn btn-outline-secondary btn-sm" value="Export">Export QSOs</button>
       </form>