diff --git a/dump1090.h b/dump1090.h
index 30b29a7..15aed5b 100644
--- a/dump1090.h
+++ b/dump1090.h
@@ -141,6 +141,7 @@
 #define MODES_ACFLAGS_FS_VALID       (1<<13) // Aircraft Flight Status is known
 #define MODES_ACFLAGS_NSEWSPD_VALID  (1<<14) // Aircraft EW and NS Speed is known
 #define MODES_ACFLAGS_LATLON_REL_OK  (1<<15) // Indicates it's OK to do a relative CPR
+#define MODES_ACFLAGS_MLAT           (1<<16) // Position is from mlat
 
 #define MODES_ACFLAGS_LLEITHER_VALID (MODES_ACFLAGS_LLEVEN_VALID | MODES_ACFLAGS_LLODD_VALID)
 #define MODES_ACFLAGS_LLBOTH_VALID   (MODES_ACFLAGS_LLEVEN_VALID | MODES_ACFLAGS_LLODD_VALID)
diff --git a/interactive.c b/interactive.c
index f9d8724..b9829c0 100644
--- a/interactive.c
+++ b/interactive.c
@@ -371,6 +371,10 @@ struct aircraft *interactiveReceiveData(struct modesMessage *mm, struct client *
         //If we sucessfully decoded, back copy the results to mm so that we can print them in list output
         if (location_ok) {
             mm->bFlags |= MODES_ACFLAGS_LATLON_VALID;
+            if (mm->timestampMsg == 0xFF004D4C4154) // Magic mlat timestamp
+                mm->bFlags |= MODES_ACFLAGS_MLAT;
+            else
+                a->bFlags &= ~MODES_ACFLAGS_MLAT;
             mm->fLat    = a->lat;
             mm->fLon    = a->lon;
         }
diff --git a/net_io.c b/net_io.c
index 7a701e4..58e0ed6 100644
--- a/net_io.c
+++ b/net_io.c
@@ -681,9 +681,10 @@ char *aircraftsToJson(int *len) {
         l = snprintf(p,buflen,
             "{\"hex\":\"%06x\", \"squawk\":\"%04x\", \"flight\":\"%s\", \"lat\":%f, "
             "\"lon\":%f, \"validposition\":%d, \"altitude\":%d,  \"vert_rate\":%d,\"track\":%d, \"validtrack\":%d,"
-            "\"speed\":%d, \"messages\":%ld, \"seen\":%d},\n",
+            "\"speed\":%d, \"messages\":%ld, \"seen\":%d, \"mlat\":%s},\n",
             a->addr, a->modeA, a->flight, a->lat, a->lon, position, a->altitude, a->vert_rate, a->track, track,
-            a->speed, a->messages, (int)(now - a->seen));
+            a->speed, a->messages, (int)(now - a->seen),
+            (a->bFlags & MODES_ACFLAGS_MLAT) ? "true" : "false");
         p += l; buflen -= l;
         
         //Resize if needed
diff --git a/public_html/planeObject.js b/public_html/planeObject.js
index dfb0130..2b5ef8b 100644
--- a/public_html/planeObject.js
+++ b/public_html/planeObject.js
@@ -23,6 +23,7 @@ var planeObject = {
 	// Vaild...
 	vPosition	: false,
 	vTrack		: false,
+        mlat            : false,
 
 	// GMap Details
 	marker		: null,
@@ -142,6 +143,7 @@ var planeObject = {
 			this.icao	= data.hex;
 			this.messages	= data.messages;
 			this.seen	= data.seen;
+                        this.mlat       = data.mlat;
 
 			// If no packet in over 58 seconds, consider the plane reapable
 			// This way we can hold it, but not show it just in case the plane comes back
diff --git a/public_html/script.js b/public_html/script.js
index accf1f0..931b4bf 100644
--- a/public_html/script.js
+++ b/public_html/script.js
@@ -326,6 +326,9 @@ function refreshSelected() {
 
 	html += '<tr><td colspan="' + columns + '" align="center">Lat/Long: ';
 	if (selected && selected.vPosition) {
+            if (selected.mlat) {
+                    html += "MLAT: ";
+            }
 	    html += selected.latitude + ', ' + selected.longitude + '</td></tr>';
 	    
 	    // Let's show some extra data if we have site coordinates
@@ -426,7 +429,11 @@ function refreshTableInfo() {
 			}
 			
 			if (tableplane.vPosition == true) {
-				html += '<tr onclick="planeTRclick(\''+tableplane.icao+'\')" class="plane_table_row vPosition' + specialStyle + '">';
+                                if (tableplane.mlat == true) {
+				        html += '<tr onclick="planeTRclick(\''+tableplane.icao+'\')" class="plane_table_row mlat' + specialStyle + '">';
+                                } else {
+				        html += '<tr onclick="planeTRclick(\''+tableplane.icao+'\')" class="plane_table_row vPosition' + specialStyle + '">';
+                                }
 			} else {
 				html += '<tr onclick="planeTRclick(\''+tableplane.icao+'\')" class="plane_table_row ' + specialStyle + '">';
 		    }
diff --git a/public_html/style.css b/public_html/style.css
index e945403..c60ab66 100644
--- a/public_html/style.css
+++ b/public_html/style.css
@@ -25,6 +25,7 @@ table#optionsTabs { width: 100%; font-size: small; font-family: monospace; backg
 #tableinfo, #sudo_buttons { font-size: x-small; font-family: monospace; }
 
 .vPosition  { font-weight: bold; background-color: #d5ffd5; }
+.mlat       { font-weight: bold; background-color: #d5d5ff; }
 .squawk7500 { font-weight: bold; background-color: #ff5555; }
 .squawk7600 { font-weight: bold; background-color: #00ffff; }
 .squawk7700 { font-weight: bold; background-color: #ffff00; }