diff --git a/application/controllers/Qso.php b/application/controllers/Qso.php
index 18b435f2a..e1e14e658 100755
--- a/application/controllers/Qso.php
+++ b/application/controllers/Qso.php
@@ -122,6 +122,12 @@ class QSO extends CI_Controller {
 				'operator_callsign' => $this->input->post('operator_callsign'),
 				'transmit_power' => $this->input->post('transmit_power')
 			);
+
+            $propMode = strtoupper(trim((string)($qso_data['prop_mode'] ?? '')));
+            if ($propMode !== 'SAT') {
+                $qso_data['sat_name'] = '';
+                $qso_data['sat_mode'] = '';
+            }
 			// ];
 
 			setcookie("radio", $qso_data['radio'], time()+3600*24*99);
@@ -214,6 +220,12 @@ class QSO extends CI_Controller {
             'transmit_power' => $this->input->post('transmit_power')
         );
 
+        $propMode = strtoupper(trim((string)($qso_data['prop_mode'] ?? '')));
+        if ($propMode !== 'SAT') {
+            $qso_data['sat_name'] = '';
+            $qso_data['sat_mode'] = '';
+        }
+
         setcookie("radio", $qso_data['radio'], time() + 3600 * 24 * 99);
         setcookie("station_profile_id", $qso_data['station_profile_id'], time() + 3600 * 24 * 99);
 
diff --git a/assets/js/sections/qso.js b/assets/js/sections/qso.js
index f92159de5..30d460210 100644
--- a/assets/js/sections/qso.js
+++ b/assets/js/sections/qso.js
@@ -846,6 +846,18 @@ function resetSubmissionState() {
 	}
 }
 
+function clearSatelliteFields() {
+	$('#sat_name').val('');
+	$('#sat_mode').val('');
+	$('.satellite_modes_list').find('option').remove().end();
+	selected_sat = '';
+	selected_sat_mode = '';
+
+	if ($('#selectPropagation').val() === 'SAT') {
+		$('#selectPropagation').val('');
+	}
+}
+
 /* Function: reset_fields is used to reset the fields on the QSO page */
 function reset_fields() {
 	// Reset submission state
@@ -897,6 +909,8 @@ function reset_fields() {
 	selectize = $select[0] ? $select[0].selectize : null;
 	if (selectize) selectize.clear();
 
+	clearSatelliteFields();
+
 	mymap.setView(pos, 12);
 	mymap.removeLayer(markers);
 	$('.callsign-suggest').hide();
@@ -1195,6 +1209,7 @@ function resetToPreviousContactsTab() {
 // Reset to Previous Contacts tab when form is reset
 $('#qso_input').on('reset', function() {
 	setTimeout(function() {
+		reset_fields();
 		resetToPreviousContactsTab();
 	}, 100);
 });