diff --git a/code/portal_detail_display.js b/code/portal_detail_display.js
index b2771d3f..f2f513bd 100644
--- a/code/portal_detail_display.js
+++ b/code/portal_detail_display.js
@@ -145,8 +145,13 @@ window.setPortalIndicators = function(d) {
 
   var range = getPortalRange(d);
   var coord = [d.locationE6.latE6/1E6, d.locationE6.lngE6/1E6];
-  portalRangeIndicator = (range > 0
-      ? L.geodesicCircle(coord, range, { fill: false, color: RANGE_INDICATOR_COLOR, weight: 3, clickable: false })
+  portalRangeIndicator = (range.range > 0
+      ? L.geodesicCircle(coord, range.range, {
+          fill: false,
+          color: RANGE_INDICATOR_COLOR,
+          weight: 3,
+          dashArray: range.isLinkable ? undefined : "10,10",
+          clickable: false })
       : L.circle(coord, range, { fill: false, stroke: false, clickable: false })
     ).addTo(map);
 
diff --git a/code/portal_detail_display_tools.js b/code/portal_detail_display_tools.js
index a1196d60..353189d9 100644
--- a/code/portal_detail_display_tools.js
+++ b/code/portal_detail_display_tools.js
@@ -5,11 +5,20 @@
 // returns displayable text+link about portal range
 window.getRangeText = function(d) {
   var range = getPortalRange(d);
+  
+  var title = 'Base range:\t' + digits(Math.floor(range.base))+'m'
+    + '\nLink amp boost:\t×'+range.boost
+    + '\nRange:\t'+digits(Math.floor(range.range))+'m';
+  
+  if(!range.isLinkable) title += '\nPortal is missing resonators,\nno new links can be made';
+  
   return ['range',
-      '<a onclick="window.rangeLinkClick()">'
-    + (range > 1000
-      ? Math.floor(range/1000) + ' km'
-      : Math.floor(range)      + ' m')
+      '<a onclick="window.rangeLinkClick()"'
+    + (range.isLinkable ? '' : ' style="text-decoration:line-through;"')
+    + ' title="'+title+'">'
+    + (range.range > 1000
+      ? Math.floor(range.range/1000) + ' km'
+      : Math.floor(range.range)      + ' m')
     + '</a>'];
 }
 
diff --git a/code/portal_info.js b/code/portal_info.js
index a6a5bc01..569f8f0f 100644
--- a/code/portal_info.js
+++ b/code/portal_info.js
@@ -47,18 +47,20 @@ window.getPortalRange = function(d) {
   $.each(d.resonatorArray.resonators, function(ind, reso) {
     if(!reso) {
       resoMissing = true;
-      return false;
+      return;
     }
     lvl += parseInt(reso.level);
   });
-  if(resoMissing) return 0;
 
-  var range = 160*Math.pow(getPortalLevel(d), 4);
+  var range = {
+    base: 160*Math.pow(getPortalLevel(d), 4),
+    boost: getLinkAmpRangeBoost(d)
+  };
 
-  var boost = getLinkAmpRangeBoost(d);
-
-  return range*boost;
+  range.range = range.boost * range.base;
+  range.isLinkable = !resoMissing;
 
+  return range;
 }
 
 window.getLinkAmpRangeBoost = function(d) {