diff --git a/config/config.php b/config/config.php
index c128f78..d166d10 100644
--- a/config/config.php
+++ b/config/config.php
@@ -5,4 +5,7 @@ define("LOGPATH","/mnt/ramdisk/");
 define("LOGPREFIX","MMDVM");
 define("LOGFILE",LOGPATH . LOGPREFIX . "-" . date("Y-m-d") . ".log");
 define("REFRESHAFTER","60");
+define("TEMPERATUREALERT",true);
+define("TEMPERATUREHIGHLEVEL", 60);
+define("SHOWPROGRESSBARS", true);
 ?>
\ No newline at end of file
diff --git a/include/functions.php b/include/functions.php
index e4f1db3..96cdfff 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -3,6 +3,7 @@
 // 01234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901
 // M: 2016-04-29 00:15:00.013 D-Star, received network header from DG9VH   /ZEIT to CQCQCQ   via DCS002 S
 // M: 2016-04-29 19:43:21.839 DMR Slot 2, received network voice header from DL1ESZ to TG 9
+// M: 2016-04-30 14:57:43.072 DMR Slot 2, received RF voice header from DG9VH to 5000
 
 function getLastHeard() {
 	$lastHeard = array();
@@ -24,9 +25,13 @@ function getLastHeard() {
 				$id = substr($callsign2, strpos($callsign2,"/") + 1);
 			}
 			$target = substr($logLine, strpos($logLine, "to") + 3); 
+			$source = "RF";
+			if (strpos($logLine,"network") > 0 ) {
+				$source = "Network";
+			}
 			
 			if ( strlen($callsign <7) ) {
-				array_push($heardList, array($timestamp, $mode, $callsign, $id, $target));
+				array_push($heardList, array($timestamp, $mode, $callsign, $id, $target, $source));
 			}
 			//Last-Heard-Liste: Array aufbauen in umgekehrter Richtung des Logs
 			//Zeilen ausblenden, bei denen das Callsign länger als 6 Stellen ist
@@ -35,8 +40,8 @@ function getLastHeard() {
 	}
 	array_multisort($heardList,SORT_DESC);
 	foreach ($heardList as $listElem) {
-		if(!(array_search($listElem[2], $heardCalls) > -1)) {
-			array_push($heardCalls, $listElem[2]);
+		if(!(array_search($listElem[2]."#".$listElem[1].$listElem[3], $heardCalls) > -1)) {
+			array_push($heardCalls, $listElem[2]."#".$listElem[1].$listElem[3]);
 			array_push($lastHeard, $listElem);
 		}
 	}
diff --git a/include/lh.php b/include/lh.php
index ae53922..f03d143 100644
--- a/include/lh.php
+++ b/include/lh.php
@@ -16,6 +16,7 @@ $lastHeard = getLastHeard();
       <th>Callsign</th>
       <th>DSTAR-ID</th>
       <th>Target</th>
+      <th>Source</th>
     </tr>
 <?php
 foreach ($lastHeard as $listElem) {
@@ -26,6 +27,7 @@ foreach ($lastHeard as $listElem) {
 		echo"<td>$listElem[2]</td>";
 		echo"<td>$listElem[3]</td>";
 		echo"<td>$listElem[4]</td>";
+		echo"<td>$listElem[5]</td>";
 		echo"</tr>";
 	}
 
diff --git a/include/sysinfo.php b/include/sysinfo.php
new file mode 100644
index 0000000..8c30249
--- /dev/null
+++ b/include/sysinfo.php
@@ -0,0 +1,138 @@
+<?php
+	exec("cat /sys/class/thermal/thermal_zone0/temp", $cputemp);
+	exec("cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq", $cpufreq);
+	$cputemp = $cputemp[0] / 1000;
+	if (TEMPERATUREALERT && $cputemp > TEMPERATUREHIGHLEVEL) {
+?>
+		<script>
+			function deleteLayer(id) {
+				if (document.getElementById && document.getElementById(id)) {
+					var theNode = document.getElementById(id);
+					theNode.parentNode.removeChild(theNode);
+				}
+				else if (document.all && document.all[id]) {
+					document.all[id].innerHTML='';
+					document.all[id].outerHTML='';
+				}
+				// OBSOLETE CODE FOR NETSCAPE 4 
+				else if (document.layers && document.layers[id]) {
+					document.layers[id].visibility='hide';
+					delete document.layers[id];
+				}
+			}
+
+			function makeLayer(id,L,T,W,H,bgColor,visible,zIndex) {
+				if (document.getElementById) {
+					if (document.getElementById(id)) {
+						alert ('Layer with this ID already exists!');
+						return;
+					}
+					var ST = 'position:absolute; text-align:center;padding-top:20px;'
+					+'; left:'+L+'px'
+					+'; top:'+T+'px'
+					+'; width:'+W+'px'
+					+'; height:'+H+'px'
+					+'; clip:rect(0,'+W+','+H+',0)'
+					+'; visibility:'
+					+(null==visible || 1==visible ? 'visible':'hidden')
+					+(null==zIndex  ? '' : '; z-index:'+zIndex)
+					+(null==bgColor ? '' : '; background-color:'+bgColor);
+
+					var LR = '<DIV id='+id+' style="'+ST+'">CPU-Temerature is very high!<br><input type="button" value="Close" onclick="deleteLayer(\'LYR1\')"></DIV>';
+
+					if (document.body) {
+						if (document.body.insertAdjacentHTML)
+							document.body.insertAdjacentHTML("BeforeEnd",LR);
+						else if (document.createElement && document.body.appendChild) {
+							var newNode = document.createElement('div');
+							newNode.setAttribute('id',id);
+							newNode.setAttribute('style',ST);
+							document.body.appendChild(newNode);
+						}
+					}
+				}
+			}
+			var audio = new Audio('sounds/alert.mp3');
+			audio.play();
+			var x = window.innerWidth/2-100;
+			var y = window.innerHeight/2-50;
+
+			makeLayer('LYR1',x,y,200,100,'red',1,1);
+		</script>
+<?php
+	}
+
+	$cpufreq = $cpufreq[0] / 1000;
+
+	$output = shell_exec('cat /proc/loadavg');
+	$sysload = substr($output,0,strpos($output," "))*100; 
+
+	$stat1 = file('/proc/stat'); 
+	sleep(1); 
+	$stat2 = file('/proc/stat'); 
+	$info1 = explode(" ", preg_replace("!cpu +!", "", $stat1[0])); 
+	$info2 = explode(" ", preg_replace("!cpu +!", "", $stat2[0])); 
+	$dif = array(); 
+	$dif['user'] = $info2[0] - $info1[0]; 
+	$dif['nice'] = $info2[1] - $info1[1]; 
+	$dif['sys'] = $info2[2] - $info1[2]; 
+	$dif['idle'] = $info2[3] - $info1[3]; 
+	$total = array_sum($dif); 
+	$cpu = array(); 
+	foreach($dif as $x=>$y) $cpu[$x] = round($y / $total * 100, 1); 
+	$cpuusage = round($cpu['user'] + $cpu['sys'], 2);  
+	
+	$output = shell_exec('grep -c processor /proc/cpuinfo');
+	$cpucores = $output;
+
+	$output = shell_exec('cat /proc/uptime');
+	$uptime = format_time(substr($output,0,strpos($output," ")));
+	$idletime = format_time((substr($output,strpos($output," ")))/$cpucores);
+
+?>
+<div class="panel panel-default">
+  <!-- Standard-Panel-Inhalt -->
+  <div class="panel-heading">System Info</div>
+  <div class="panel-body">
+    <p>In the following table you find some important system information</p>
+  </div>
+
+  <!-- Tabelle -->
+		<table class="table">
+			<tbody>
+				<tr>
+					<th>CPU-Temperature</th>
+					<th>CPU-Frequency</th>
+					<th>System-Load</th>
+					<th>CPU-Usage</th>
+					<th>Uptime</th>
+					<th>Idle</th>
+				</tr>
+				<tr class="gatewayinfo">
+					<td><?php echo $cputemp; ?> &deg;C</td>
+					<td><?php echo $cpufreq; ?> MHz</td>
+					<td><?php echo $sysload; ?> %</td>
+					<td>
+<?php
+	if (SHOWPROGRESSBARS) {
+?>
+						<div class="progress"><div class="progress-bar <?php
+		if ($cpuusage < 30)
+			echo "progress-bar-success";
+		if ($cpuusage >= 30 and $cpuusage < 60)
+			echo "progress-bar-warning";
+		if ($cpuusage >= 60)
+			echo "progress-bar-danger";
+?>" role="progressbar" aria-valuenow="<?php echo $cpuusage; ?>" aria-valuemin="0" aria-valuemax="100" style="width: <?php echo $cpuusage; ?>%;"><?php echo $cpuusage; ?>%</div></div>
+<?php
+	} else {
+		echo $cpuusage." %";
+	}
+?>
+					</td>
+					<td><?php echo $uptime; ?></td>
+					<td><?php echo $idletime; ?></td>
+				</tr>
+			</tbody>
+		</table>
+</div>
\ No newline at end of file
diff --git a/include/tools.php b/include/tools.php
new file mode 100644
index 0000000..f6f858b
--- /dev/null
+++ b/include/tools.php
@@ -0,0 +1,27 @@
+<?php
+function format_time($seconds) {
+	$secs = intval($seconds % 60);
+	$mins = intval($seconds / 60 % 60);
+	$hours = intval($seconds / 3600 % 24);
+	$days = intval($seconds / 86400);
+	$uptimeString = "";
+
+	if ($days > 0) {
+		$uptimeString .= $days;
+		$uptimeString .= (($days == 1) ? "&nbsp;day" : "&nbsp;days");
+	}
+	if ($hours > 0) {
+		$uptimeString .= (($days > 0) ? ", " : "") . $hours;
+		$uptimeString .= (($hours == 1) ? "&nbsp;hour" : "&nbsp;hours");
+	}
+	if ($mins > 0) {
+		$uptimeString .= (($days > 0 || $hours > 0) ? ", " : "") . $mins;
+		$uptimeString .= (($mins == 1) ? "&nbsp;minute" : "&nbsp;minutes");
+	}
+	if ($secs > 0) {
+		$uptimeString .= (($days > 0 || $hours > 0 || $mins > 0) ? ", " : "") . $secs;
+		$uptimeString .= (($secs == 1) ? "&nbsp;second" : "&nbsp;seconds");
+	}
+	return $uptimeString;
+}
+?>
\ No newline at end of file
diff --git a/index.php b/index.php
index 37627ac..c90d5d3 100644
--- a/index.php
+++ b/index.php
@@ -1,5 +1,6 @@
 <?php
 include "config/config.php";
+include "include/tools.php";
 include "include/functions.php";
 ?>
 <!doctype html>
@@ -24,6 +25,7 @@ include "include/functions.php";
   <h1>MMDVM-Dashboard by DG9VH <small>Repeater: <?php echo REPEATERCALLSIGN?></small></h1>
 </div>
 <?php
+include "include/sysinfo.php";
 include "include/lh.php";
 ?>
 	<div class="panel panel-info">