diff --git a/build.xml b/build.xml
index 45553b2..e893f99 100644
--- a/build.xml
+++ b/build.xml
@@ -227,6 +227,7 @@
 	<echo>Converting compiled files and external libraries into ${out-folder}/${dex-file}...</echo>
 	<apply executable="${dx}" failonerror="true" parallel="true">
 	    <arg value="--dex" />
+	    <arg value="--no-locals" />
 	    <arg value="--output=${intermediate-dex-location}" />
 	    <fileset dir="${out-folder}" includes="*.min.jar"/>
 	</apply>
diff --git a/src/de/duenndns/aprsdroid/AprsPacket.scala b/src/de/duenndns/aprsdroid/AprsPacket.scala
new file mode 100644
index 0000000..1bfe39d
--- /dev/null
+++ b/src/de/duenndns/aprsdroid/AprsPacket.scala
@@ -0,0 +1,30 @@
+package de.duenndns.aprsdroid
+
+import _root_.android.location.Location
+
+object AprsPacket {
+	def splitCoord(c : Double) : (Int, Double, Int) = {
+		var deg = c.asInstanceOf[Int]
+		val min = (c - deg)*60
+		var letter = 0
+		if (deg < 0) {
+			deg = -deg
+			letter = 1
+		}
+		(deg, min, letter)
+	}
+		
+	def formatLat(c : Double) : String = {
+		val (deg, min, letter) = splitCoord(c)
+		"%02d%05.2f%c".format(deg, min, "NS"(letter))
+	}
+	def formatLon(c : Double) : String = {
+		val (deg, min, letter) = splitCoord(c)
+		"%03d%05.2f%c".format(deg, min, "EW"(letter))
+	}
+
+	def formatLoc(callsign : String, location : Location) : String = {
+		callsign + ">APRS:!" + formatLat(location.getLatitude) + "/" +
+			formatLon(location.getLongitude)
+	}
+}