diff -ur --exclude '*~' --exclude '*#' --new-file -r orig-modules/location/location.tpl.php modules/location/location.tpl.php
--- orig-modules/location/location.tpl.php	2008-08-18 20:06:54.000000000 +0000
+++ modules/location/location.tpl.php	2008-08-21 03:24:47.000000000 +0000
@@ -30,7 +30,7 @@
 <?php } ?>
 <?php
   // "Geo" microformat, see http://microformats.org/wiki/geo
-  if ($latitude && $longitude) {
+  if ($latitude && $longitude && $latitude != 0 && $longitude != 0) {
 ?>
 <span class="geo"><abbr class="latitude" title="<?php echo $latitude; ?>"><?php echo $latitude_dms; ?></abbr>, <abbr class="longitude" title="<?php echo $longitude; ?>"><?php echo $longitude_dms; ?></abbr></span>
 <?php } ?>