diff --git a/application/views/interface_assets/header.php b/application/views/interface_assets/header.php
index 13ee0aa05..2403d8397 100644
--- a/application/views/interface_assets/header.php
+++ b/application/views/interface_assets/header.php
@@ -352,7 +352,7 @@
 
 						<!-- Logged in As -->
 						<li class="nav-item dropdown">
-							<a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#"><i class="fas fa-user"></i> <?php echo $this->session->userdata('user_callsign'); ?></a>
+							<a class="nav-link dropdown-toggle" data-bs-toggle="dropdown" href="#"><i class="fas fa-user"></i> <?php echo str_replace("0","&Oslash;", strtoupper($this->session->userdata('user_callsign'))); ?></a>
 
 							<ul class="dropdown-menu dropdown-menu-right header-dropdown">
 								<li><a class="dropdown-item" href="<?php echo site_url('user/edit') . "/" . $this->session->userdata('user_id'); ?>" title="Account"><i class="fas fa-user"></i> <?= __("Account"); ?></a></li>
diff --git a/application/views/logbookadvanced/index.php b/application/views/logbookadvanced/index.php
index aa3c2faec..c964a6d13 100644
--- a/application/views/logbookadvanced/index.php
+++ b/application/views/logbookadvanced/index.php
@@ -476,7 +476,7 @@ $options = json_decode($options);
 					echo " selected =\"selected\"";
                 } ?>>
 				<?= __("Callsign") . ": " ?>
-				<?php echo $station->station_callsign; ?> (<?php echo $station->station_profile_name; ?>)
+				<?php echo str_replace("0","&Oslash;",strtoupper($station->station_callsign)); ?> (<?php echo $station->station_profile_name; ?>)
 			</option>
 			<?php } ?>
 		</select>
diff --git a/application/views/view_log/partial/log_ajax.php b/application/views/view_log/partial/log_ajax.php
index 8219c844f..2c5d5d190 100644
--- a/application/views/view_log/partial/log_ajax.php
+++ b/application/views/view_log/partial/log_ajax.php
@@ -251,7 +251,7 @@ function echo_table_col($row, $name) {
 
                     <?php if(isset($row->station_callsign)) { ?>
                         <td>
-                            <span class="badge text-bg-light"><?php echo $row->station_callsign; ?></span>
+                            <span class="badge text-bg-light"><?php echo str_replace("0","&Oslash;",strtoupper($row->station_callsign)); ?></span>
                         </td>
                     <?php } ?>
 
diff --git a/application/views/view_log/qso.php b/application/views/view_log/qso.php
index a4b07ea8b..213e82df2 100644
--- a/application/views/view_log/qso.php
+++ b/application/views/view_log/qso.php
@@ -505,7 +505,7 @@
             <table width="100%">
                     <tr>
                         <td><?= __("Station") . ' ' . __("Callsign"); ?></td>
-                        <td><?php echo $row->station_callsign; ?></td>
+                        <td><?php echo str_replace("0","&Oslash;",strtoupper($row->station_callsign)); ?></td>
                     </tr>
                     <tr>
                         <td><?= __("Station") . ' ' . __("Name"); ?></td>
diff --git a/assets/js/sections/logbookadvanced.js b/assets/js/sections/logbookadvanced.js
index ee5b88e29..22bb1965a 100644
--- a/assets/js/sections/logbookadvanced.js
+++ b/assets/js/sections/logbookadvanced.js
@@ -158,7 +158,7 @@ function loadQSOTable(rows) {
 			data.push(qso.qsoDateTime);
 		}
 		if (user_options.de.show == "true"){
-			data.push(qso.de);
+			data.push(qso.de.replaceAll('0', 'Ø'));
 		}
 		if (user_options.dx.show == "true"){
 			data.push('<span class="qso_call"><a id="edit_qso" href="javascript:displayQso('+qso.qsoID+')"><span id="dx">'+qso.dx.replaceAll('0', 'Ø')+'</span></a><span class="qso_icons">' + (qso.callsign == '' ? '' : ' <a href="https://lotw.arrl.org/lotwuser/act?act='+qso.callsign+'" target="_blank"><small id="lotw_info" class="badge bg-success'+qso.lotw_hint+'" data-bs-toggle="tooltip" title="LoTW User. Last upload was ' + qso.lastupload + ' ">L</small></a>') + ' <a target="_blank" href="https://www.qrz.com/db/'+qso.dx+'"><img width="16" height="16" src="'+base_url+ 'images/icons/qrz.png" alt="Lookup ' + qso.dx.replaceAll('0', 'Ø') + ' on QRZ.com"></a> <a target="_blank" href="https://www.hamqth.com/'+qso.dx+'"><img width="16" height="16" src="'+base_url+ 'images/icons/hamqth.png" alt="Lookup ' + qso.dx.replaceAll('0', 'Ø') + ' on HamQTH"></a> <a target="_blank" href="https://clublog.org/logsearch.php?log='+qso.dx+'&call='+qso.de+'"><img width="16" height="16" src="'+base_url+'images/icons/clublog.png" alt="Clublog Log Search"></a></span></span>');