diff --git a/src/AprsPacket.scala b/src/AprsPacket.scala
index 1e3fbd1..172c00d 100644
--- a/src/AprsPacket.scala
+++ b/src/AprsPacket.scala
@@ -85,7 +85,7 @@ object AprsPacket {
 			return (splits(0), splits(1).toInt)
 		} catch {
 			// fallback to default port if none/bad one given
-			case _ => return (splits(0), defaultport)
+			case _ : Throwable => return (splits(0), defaultport)
 		}
 	}
 
diff --git a/src/MapAct.scala b/src/MapAct.scala
index cc9741e..032a03c 100644
--- a/src/MapAct.scala
+++ b/src/MapAct.scala
@@ -267,7 +267,7 @@ class StationOverlay(icons : Drawable, context : MapAct, db : StorageDatabase) e
 		val strokePaint = new Paint(textPaint)
 		strokePaint.setColor(0xffc8ffc8)
 		strokePaint.setStyle(Paint.Style.STROKE)
-		strokePaint.setStrokeWidth(drawSize.asInstanceOf[Float]/12.f)
+		strokePaint.setStrokeWidth(drawSize.asInstanceOf[Float]/12.0f)
 
 		strokePaint.setShadowLayer(10, 0, 0, 0x80c8ffc8)
 
diff --git a/src/PrefsWrapper.scala b/src/PrefsWrapper.scala
index ea50762..94a1ca9 100644
--- a/src/PrefsWrapper.scala
+++ b/src/PrefsWrapper.scala
@@ -14,12 +14,12 @@ class PrefsWrapper(val context : Context) {
 
 	// safely read integers
 	def getStringInt(key : String, defValue : Int) = {
-		try { prefs.getString(key, null).trim.toInt } catch { case _ => defValue }
+		try { prefs.getString(key, null).trim.toInt } catch { case _ : Throwable => defValue }
 	}
 
 	// safely read integers
 	def getStringFloat(key : String, defValue : Float) = {
-		try { prefs.getString(key, null).trim.toFloat } catch { case _ => defValue }
+		try { prefs.getString(key, null).trim.toFloat } catch { case _ : Throwable => defValue }
 	}
 
 	// return commonly used prefs
diff --git a/src/StationListAdapter.scala b/src/StationListAdapter.scala
index 72662a6..4b5d360 100644
--- a/src/StationListAdapter.scala
+++ b/src/StationListAdapter.scala
@@ -82,10 +82,10 @@ class StationListAdapter(context : Context, prefs : PrefsWrapper,
 		view.findViewById(R.id.station_qrg).asInstanceOf[TextView].setTextColor(color)
 		val qrg_visible = if (qrg != null && qrg != "") View.VISIBLE else View.GONE
 		view.findViewById(R.id.station_qrg).setVisibility(qrg_visible)
-		val MCD = 1000000.
+		val MCD = 1000000.0
 		android.location.Location.distanceBetween(my_lat/MCD, my_lon/MCD,
 			lat/MCD, lon/MCD, dist)
-		distage.setText("%1.1f km %s\n%s".format(dist(0)/1000., getBearing(dist(1)), age))
+		distage.setText("%1.1f km %s\n%s".format(dist(0)/1000.0, getBearing(dist(1)), age))
 		view.findViewById(R.id.station_symbol).asInstanceOf[SymbolView].setSymbol(symbol)
 		super.bindView(view, context, cursor)
 	}
diff --git a/src/StorageDatabase.scala b/src/StorageDatabase.scala
index 5624339..7fd890b 100644
--- a/src/StorageDatabase.scala
+++ b/src/StorageDatabase.scala
@@ -308,7 +308,7 @@ class StorageDatabase(context : Context) extends
 	}
 	def getNeighbors(mycall : String, lat : Int, lon : Int, ts : Long, limit : String) : Cursor = {
 		// calculate latitude correction
-		val corr = (cos(Pi*lat/180000000.)*cos(Pi*lat/180000000.)*100).toInt
+		val corr = (cos(Pi*lat/180000000.0)*cos(Pi*lat/180000000.0)*100).toInt
 		//Log.d(TAG, "getNeighbors: correcting by %d".format(corr))
 		// add a distance column to the query
 		val newcols = Station.COLUMNS :+ Station.COL_DIST.format(lat, lat, lon, lon, corr)
@@ -319,7 +319,7 @@ class StorageDatabase(context : Context) extends
 
 	def getNeighborsLike(call : String, lat : Int, lon : Int, ts : Long, limit : String) : Cursor = {
 		// calculate latitude correction
-		val corr = (cos(Pi*lat/180000000.)*cos(Pi*lat/180000000.)*100).toInt
+		val corr = (cos(Pi*lat/180000000.0)*cos(Pi*lat/180000000.0)*100).toInt
 		Log.d(TAG, "getNeighborsLike: correcting by %d".format(corr))
 		// add a distance column to the query
 		val newcols = Station.COLUMNS :+ Station.COL_DIST.format(lat, lat, lon, lon, corr)
diff --git a/src/UIHelper.scala b/src/UIHelper.scala
index 4755d95..f6b4042 100644
--- a/src/UIHelper.scala
+++ b/src/UIHelper.scala
@@ -360,7 +360,7 @@ trait UIHelper extends Activity
 			val (found, lat, lon) = getStaPosition(StorageDatabase.open(this), targetcall)
 			if (found) {
 				val url = "geo:%1.6f,%1.6f?q=%1.6f,%1.6f(%s)".formatLocal(null,
-					lat/1000000., lon/1000000., lat/1000000., lon/1000000., targetcall)
+					lat/1000000.0, lon/1000000.0, lat/1000000.0, lon/1000000.0, targetcall)
 				startActivity(new Intent(Intent.ACTION_VIEW,
 					Uri.parse(url)))
 			}