diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..0bf64ae
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,36 @@
+export ANDROID_SDK_ROOT=/Users/hansr/Library/Android/sdk
+
+all:	run
+
+el:	plugin
+	cordova build electron
+
+run:
+	clear
+	cp ../rdzwx-plugin/src/android/*.kt ./platforms/android/app/src/main/kotlin/de/dl9rdz/
+	cordova run android --device
+
+full:
+	clear
+	cordova plugin rm de-dl9rdz-rdzwx
+	cordova plugin add ../rdzwx-plugin/
+	cordova run android --device
+
+plugin:
+	cordova plugin rm de-dl9rdz-rdzwx
+	cordova plugin add ../rdzwx-plugin/
+
+release: apkrelease sign
+
+mkrelease:
+	cordova build --release
+
+.ONESHELL:
+sign:
+	cd platforms/android/app/build/outputs/apk/release/ && \
+	/Users/hansr/Library/Android//sdk/build-tools/30.0.3/zipalign -v -p 4 app-release-unsigned.apk app-release-unsigned-aligned.apk &&  \
+	/Users/hansr/Library/Android//sdk/build-tools/30.0.3/apksigner sign --ks ~/src/rdzwx-go/my-release-key.jks --out app-release.apk app-release-unsigned-aligned.apk
+
+apkrelease:
+	cordova build --release -- --packageType=apk
+	
diff --git a/config.xml b/config.xml
index ec36325..73d19e3 100644
--- a/config.xml
+++ b/config.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='utf-8'?>
-<widget id="de.dl9rdz" version="1.0.6" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0"
+<widget id="de.dl9rdz" version="1.0.7" xmlns="http://www.w3.org/ns/widgets" xmlns:cdv="http://cordova.apache.org/ns/1.0"
     xmlns:android="schemas.android.com/apk/res/android">
     <name>rdzSonde</name>
     <description>
@@ -39,7 +39,7 @@
     <preference name="GradlePluginKotlinVersion" value="1.3.50" />
 
     <preference name="android-minSdkVersion" value="23" />
-    <preference name="android-targetSdkVersion" value="29" />
+    <preference name="android-targetSdkVersion" value="30" />
 
     <preference name="SplashScreen" value="none" />
 
diff --git a/package.json b/package.json
index 54699f4..847927d 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "de.dl9rdz",
   "displayName": "rdzwx-go",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "A sample Apache Cordova application that uses rdzwx-plugin.",
   "main": "index.js",
   "scripts": {
@@ -12,20 +12,28 @@
   ],
   "author": "Hansi Reiser <dl9rdz@darc.de>",
   "license": "Apache-2.0",
+  "overrides": {
+    "electron-builder": "23.0.3"
+  },
+  "dependencies": {
+    "jetifier": "^2.0.0",
+    "net": "^1.0.2",
+    "update": "^0.7.4",
+    "xmlhttprequest": "^1.8.0"
+  },
   "devDependencies": {
     "cordova-android": "^10.1.2",
     "cordova-browser": "^6.0.0",
     "cordova-electron": "^3.0.0",
     "cordova-plugin-androidx-adapter": "^1.1.3",
     "cordova-plugin-inappbrowser": "^5.0.0",
-    "de-dl9rdz-rdzwx": "https://github.com/dl9rdz/rdzwx-plugin.git",
-    "rdzwx-plugin": "github:dl9rdz/rdzwx-plugin"
+    "rdzwx-plugin": "file:../rdzwx-plugin"
   },
   "cordova": {
     "plugins": {
-      "de-dl9rdz-rdzwx": {},
       "cordova-plugin-androidx-adapter": {},
-      "cordova-plugin-inappbrowser": {}
+      "cordova-plugin-inappbrowser": {},
+      "de-dl9rdz-rdzwx": {}
     },
     "platforms": [
       "android",
@@ -33,9 +41,12 @@
       "electron"
     ]
   },
-  "dependencies": {
-    "jetifier": "^2.0.0",
-    "net": "^1.0.2",
-    "xmlhttprequest": "^1.8.0"
+  "browser": {
+    "net": false,
+    "fs": false
+  },
+  "electron": {
+    "net": false,
+    "fs": false
   }
 }
diff --git a/version.json b/version.json
index 68faaa3..4f15b79 100644
--- a/version.json
+++ b/version.json
@@ -1,5 +1,5 @@
 {
-  "version": "1.0.6",
-  "url": "https://github.com/dl9rdz/rdzwx-go/releases/tag/v1.0.6",
-  "apkurl": "https://github.com/dl9rdz/rdzwx-go/releases/download/v1.0.6/rdzSonde-v1.0.6.apk"
-}
\ No newline at end of file
+  "version": "1.0.7",
+  "url": "https://github.com/dl9rdz/rdzwx-go/releases/tag/v1.0.7",
+  "apkurl": "https://github.com/dl9rdz/rdzwx-go/releases/download/v1.0.7/rdzSonde-v1.0.7.apk"
+}
diff --git a/www/index.html b/www/index.html
index 4967146..c80878d 100644
--- a/www/index.html
+++ b/www/index.html
@@ -33,7 +33,7 @@
         <meta name="format-detection" content="telephone=no">
         <meta name="msapplication-tap-highlight" content="no">
         <meta name="viewport" content="initial-scale=1, width=device-width, viewport-fit=cover, user-scalable=no">
-        <meta name="color-scheme" content="light dark">
+        <meta name="color-scheme" content="light">
 	<link rel="stylesheet" href="css/leaflet.css">
 	<link rel="stylesheet" href="css/leaflet.contextmenu.css">
         <link rel="stylesheet" href="css/index.css">
@@ -48,14 +48,14 @@
 	<script src="js/easy-button.js"></script>
 	<script src="js/L.Control.MousePosition.js"></script>
 
-        <title>rdzSonde v1.0.6 +experimental</title>
+        <title>rdzSonde v1.0.7 +experimental</title>
     </head>
     <body>
         <div id="all">
 	  <div id="toolbar">
 	  <a id="toolbarclose" class="leaflet-popup-close-button" style="cursor: pointer; float: right;">X</a>
-	  <h2>rdzSonde v1.0.6 +experimental</h2>
-          <p>Copyright &copy; 2021 Hansi Reiser, dl9rdz</p>
+	  <h2>rdzSonde v1.0.7 +experimental</h2>
+          <p>Copyright &copy; 2022 Hansi Reiser, dl9rdz</p>
           <p>see <a href="https://github.com/dl9rdz/rdzwx-go">https://github.com/dl9rdz/rdzwx-go</a> for details</p>
 	  <p>Apache License Version 2.0</p>
 	  <hr>
diff --git a/www/js/index.js b/www/js/index.js
index 88e1dec..ff9c47f 100644
--- a/www/js/index.js
+++ b/www/js/index.js
@@ -608,7 +608,8 @@ function removePrediction(marker) {
 }
 
 function getPrediction(refobj) {
-    TAWHIRI = 'http://predict.cusf.co.uk/api/v1';
+    // going out of service soon... TAWHIRI = 'http://predict.cusf.co.uk/api/v1';
+    TAWHIRI = 'https://api.v2.sondehub.org/tawhiri';
     if(refobj == null) { refobj = lastMarker; }
     if(refobj == null) {
         alert("no object available");
@@ -715,6 +716,8 @@ function callBack(arg) {
 	return;
     }
     update(obj);
+    // for now, only for electron (does not support keepCallback)
+    //RdzWx.next(callBack);
 }
 
 function updateMypos(obj) {