diff --git a/app/build.gradle b/app/build.gradle
index 207ea30d..3129ee7c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -13,8 +13,8 @@ android {
         applicationId "com.rtbishop.look4sat"
         minSdkVersion 21
         targetSdkVersion 30
-        versionCode 240
-        versionName "2.4.0"
+        versionCode 250
+        versionName "2.5.0"
     }
 
     buildTypes {
diff --git a/app/src/main/java/com/rtbishop/look4sat/presentation/satItemScreen/SatItemFragment.kt b/app/src/main/java/com/rtbishop/look4sat/presentation/satItemScreen/SatItemFragment.kt
index 615385a0..44435893 100644
--- a/app/src/main/java/com/rtbishop/look4sat/presentation/satItemScreen/SatItemFragment.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/presentation/satItemScreen/SatItemFragment.kt
@@ -26,6 +26,7 @@ import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.SimpleItemAnimator
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.rtbishop.look4sat.R
 import com.rtbishop.look4sat.databinding.DialogSourceBinding
 import com.rtbishop.look4sat.databinding.FragmentEntriesBinding
@@ -64,7 +65,7 @@ class SatItemFragment : Fragment(R.layout.fragment_entries) {
             importWeb.setOnClickListener { viewModel.updateEntriesFromWeb(null) }
             importSource.setOnClickListener { showSourceDialog() }
             importFile.setOnClickListener { filePicker.launch("*/*") }
-            selectMode.setOnClickListener { viewModel.createModesDialog(requireContext()).show() }
+            selectMode.setOnClickListener { showModesDialog() }
             selectAll.setOnClickListener { viewModel.selectCurrentItems() }
             searchBar.setOnQueryTextListener(viewModel)
         }
@@ -114,4 +115,33 @@ class SatItemFragment : Fragment(R.layout.fragment_entries) {
         }
         dialogBuilder.create().show()
     }
+
+    private fun showModesDialog() {
+        val modes = arrayOf(
+            "AFSK", "AFSK S-Net", "AFSK SALSAT", "AHRPT", "AM", "APT", "BPSK", "BPSK PMT-A3",
+            "CERTO", "CW", "DQPSK", "DSTAR", "DUV", "FFSK", "FM", "FMN", "FSK", "FSK AX.100 Mode 5",
+            "FSK AX.100 Mode 6", "FSK AX.25 G3RUH", "GFSK", "GFSK Rktr", "GMSK", "HRPT", "LoRa",
+            "LRPT", "LSB", "MFSK", "MSK", "MSK AX.100 Mode 5", "MSK AX.100 Mode 6", "OFDM", "OQPSK",
+            "PSK", "PSK31", "PSK63", "QPSK", "QPSK31", "QPSK63", "SSTV", "USB", "WSJT"
+        )
+        val savedModes = BooleanArray(modes.size)
+        val selectedModes = viewModel.loadSelectedModes().toMutableList()
+        selectedModes.forEach { savedModes[modes.indexOf(it)] = true }
+        val dialogBuilder = MaterialAlertDialogBuilder(requireContext()).apply {
+            setTitle(context.getString(R.string.modes_title))
+            setMultiChoiceItems(modes, savedModes) { _, which, isChecked ->
+                when {
+                    isChecked -> selectedModes.add(modes[which])
+                    selectedModes.contains(modes[which]) -> selectedModes.remove(modes[which])
+                }
+            }
+            setPositiveButton(context.getString(android.R.string.ok)) { _, _ ->
+                viewModel.saveSelectedModes(selectedModes)
+            }
+            setNeutralButton(context.getString(android.R.string.cancel)) { dialog, _ ->
+                dialog.dismiss()
+            }
+        }
+        dialogBuilder.create().show()
+    }
 }
diff --git a/app/src/main/java/com/rtbishop/look4sat/presentation/satItemScreen/SatItemViewModel.kt b/app/src/main/java/com/rtbishop/look4sat/presentation/satItemScreen/SatItemViewModel.kt
index 6f6e696d..85744139 100644
--- a/app/src/main/java/com/rtbishop/look4sat/presentation/satItemScreen/SatItemViewModel.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/presentation/satItemScreen/SatItemViewModel.kt
@@ -18,13 +18,9 @@
 package com.rtbishop.look4sat.presentation.satItemScreen
 
 import android.content.ContentResolver
-import android.content.Context
 import android.net.Uri
 import android.widget.SearchView
-import androidx.appcompat.app.AlertDialog
 import androidx.lifecycle.*
-import com.google.android.material.dialog.MaterialAlertDialogBuilder
-import com.rtbishop.look4sat.R
 import com.rtbishop.look4sat.data.SatDataRepository
 import com.rtbishop.look4sat.domain.model.SatItem
 import com.rtbishop.look4sat.framework.model.Result
@@ -40,7 +36,7 @@ class SatItemViewModel @Inject constructor(
     private val satDataRepository: SatDataRepository,
 ) : ViewModel(), SatItemAdapter.EntriesClickListener, SearchView.OnQueryTextListener {
 
-    private val transModes = MutableLiveData(satDataRepository.loadModesSelection())
+    private val transModes = MutableLiveData(satDataRepository.loadSelectedModes())
     private val currentQuery = MutableLiveData(String())
     private val itemsWithModes = transModes.switchMap { modes ->
         liveData { satDataRepository.getSatItems().collect { emit(filterByModes(it, modes)) } }
@@ -83,28 +79,13 @@ class SatItemViewModel @Inject constructor(
         }
     }
 
-    fun createModesDialog(context: Context): AlertDialog {
-        val modes = satDataRepository.getAllModes()
-        val savedModes = BooleanArray(modes.size)
-        val selectedModes = satDataRepository.loadModesSelection().toMutableList()
-        selectedModes.forEach { savedModes[modes.indexOf(it)] = true }
-        val dialogBuilder = MaterialAlertDialogBuilder(context).apply {
-            setTitle(context.getString(R.string.modes_title))
-            setMultiChoiceItems(modes, savedModes) { _, which, isChecked ->
-                when {
-                    isChecked -> selectedModes.add(modes[which])
-                    selectedModes.contains(modes[which]) -> selectedModes.remove(modes[which])
-                }
-            }
-            setPositiveButton(context.getString(android.R.string.ok)) { _, _ ->
-                transModes.value = selectedModes
-                satDataRepository.saveModesSelection(selectedModes)
-            }
-            setNeutralButton(context.getString(android.R.string.cancel)) { dialog, _ ->
-                dialog.dismiss()
-            }
-        }
-        return dialogBuilder.create()
+    fun loadSelectedModes(): List<String> {
+        return satDataRepository.loadSelectedModes()
+    }
+
+    fun saveSelectedModes(modes: List<String>) {
+        transModes.value = modes
+        satDataRepository.saveSelectedModes(modes)
     }
 
     override fun onQueryTextSubmit(query: String): Boolean {
diff --git a/app/src/main/java/com/rtbishop/look4sat/presentation/satMapScreen/SatMapFragment.kt b/app/src/main/java/com/rtbishop/look4sat/presentation/satMapScreen/SatMapFragment.kt
index d23e61fb..40fd60a9 100644
--- a/app/src/main/java/com/rtbishop/look4sat/presentation/satMapScreen/SatMapFragment.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/presentation/satMapScreen/SatMapFragment.kt
@@ -49,21 +49,19 @@ class SatMapFragment : Fragment(R.layout.fragment_map) {
     @Inject
     lateinit var sharedPreferences: SharedPreferences
 
-    private val viewModelSat: SatMapViewModel by viewModels()
+    private val viewModel: SatMapViewModel by viewModels()
     private val minLat = MapView.getTileSystem().minLatitude
     private val maxLat = MapView.getTileSystem().maxLatitude
-    private val trackPaint = Paint().apply {
+    private val trackPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
         strokeWidth = 2f
         style = Paint.Style.STROKE
         color = Color.RED
         strokeCap = Paint.Cap.ROUND
         strokeJoin = Paint.Join.ROUND
-        isAntiAlias = true
     }
-    private val footprintPaint = Paint().apply {
+    private val footprintPaint = Paint(Paint.ANTI_ALIAS_FLAG).apply {
         style = Paint.Style.FILL_AND_STROKE
         color = Color.parseColor("#26FFE082")
-        isAntiAlias = true
     }
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
@@ -73,10 +71,9 @@ class SatMapFragment : Fragment(R.layout.fragment_map) {
             mapView.apply {
                 setMultiTouchControls(true)
                 setTileSource(TileSourceFactory.WIKIMEDIA)
-                val minZoom = getMinZoom(resources.displayMetrics.heightPixels)
-                minZoomLevel = minZoom
+                minZoomLevel = getMinZoom(resources.displayMetrics.heightPixels)
                 maxZoomLevel = 6.0
-                controller.setZoom(minZoom + 0.5)
+                controller.setZoom(minZoomLevel + 0.5)
                 zoomController.setVisibility(CustomZoomButtonsController.Visibility.NEVER)
                 overlayManager.tilesOverlay.loadingBackgroundColor = Color.TRANSPARENT
                 overlayManager.tilesOverlay.loadingLineColor = Color.TRANSPARENT
@@ -86,17 +83,17 @@ class SatMapFragment : Fragment(R.layout.fragment_map) {
                 overlays.addAll(Array(4) { FolderOverlay() })
             }
         }
-        binding.fabPrev.setOnClickListener { viewModelSat.scrollSelection(true) }
-        binding.fabNext.setOnClickListener { viewModelSat.scrollSelection(false) }
+        binding.fabPrev.setOnClickListener { viewModel.scrollSelection(true) }
+        binding.fabNext.setOnClickListener { viewModel.scrollSelection(false) }
         setupObservers(binding)
     }
 
     private fun setupObservers(binding: FragmentMapBinding) {
-        viewModelSat.stationPos.observe(viewLifecycleOwner, { renderStationPos(it, binding) })
-        viewModelSat.allSatPositions.observe(viewLifecycleOwner, { renderSatPositions(it, binding) })
-        viewModelSat.satTrack.observe(viewLifecycleOwner, { renderSatTrack(it, binding) })
-        viewModelSat.satFootprint.observe(viewLifecycleOwner, { renderSatFootprint(it, binding) })
-        viewModelSat.satData.observe(viewLifecycleOwner, { renderSatData(it, binding) })
+        viewModel.stationPos.observe(viewLifecycleOwner, { renderStationPos(it, binding) })
+        viewModel.satPositions.observe(viewLifecycleOwner, { renderSatPositions(it, binding) })
+        viewModel.satTrack.observe(viewLifecycleOwner, { renderSatTrack(it, binding) })
+        viewModel.satFootprint.observe(viewLifecycleOwner, { renderSatFootprint(it, binding) })
+        viewModel.satData.observe(viewLifecycleOwner, { renderSatData(it, binding) })
     }
 
     private fun renderStationPos(stationPos: Position, binding: FragmentMapBinding) {
@@ -116,7 +113,7 @@ class SatMapFragment : Fragment(R.layout.fragment_map) {
         binding.apply {
             val markers = FolderOverlay()
             posMap.entries.forEach {
-                if (viewModelSat.shouldUseTextLabels()) {
+                if (viewModel.shouldUseTextLabels()) {
                     Marker(mapView).apply {
                         setInfoWindow(null)
                         textLabelFontSize = 24
@@ -131,7 +128,7 @@ class SatMapFragment : Fragment(R.layout.fragment_map) {
                             Timber.d(exception)
                         }
                         setOnMarkerClickListener { _, _ ->
-                            viewModelSat.selectSatellite(it.key)
+                            viewModel.selectSatellite(it.key)
                             return@setOnMarkerClickListener true
                         }
                         markers.add(this)
@@ -147,7 +144,7 @@ class SatMapFragment : Fragment(R.layout.fragment_map) {
                             Timber.d(exception)
                         }
                         setOnMarkerClickListener { _, _ ->
-                            viewModelSat.selectSatellite(it.key)
+                            viewModel.selectSatellite(it.key)
                             return@setOnMarkerClickListener true
                         }
                         markers.add(this)
diff --git a/app/src/main/java/com/rtbishop/look4sat/presentation/satMapScreen/SatMapViewModel.kt b/app/src/main/java/com/rtbishop/look4sat/presentation/satMapScreen/SatMapViewModel.kt
index 4ab877ad..1ae4d04e 100644
--- a/app/src/main/java/com/rtbishop/look4sat/presentation/satMapScreen/SatMapViewModel.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/presentation/satMapScreen/SatMapViewModel.kt
@@ -60,8 +60,8 @@ class SatMapViewModel @Inject constructor(
     private val _satData = MutableLiveData<SatData>()
     val satData: LiveData<SatData> = this._satData
 
-    private val _allSatPositions = MutableLiveData<Map<Satellite, Position>>()
-    val allSatPositions: LiveData<Map<Satellite, Position>> = _allSatPositions
+    private val _satPositions = MutableLiveData<Map<Satellite, Position>>()
+    val satPositions: LiveData<Map<Satellite, Position>> = _satPositions
 
     init {
         viewModelScope.launch {
@@ -118,7 +118,7 @@ class SatMapViewModel @Inject constructor(
                 val osmLon = clipLon(Math.toDegrees(satPos.longitude))
                 satPositions[satellite] = Position(osmLat, osmLon)
             }
-            _allSatPositions.postValue(satPositions)
+            _satPositions.postValue(satPositions)
         }
     }
 
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index ea8b3061..05ec7edd 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -44,7 +44,7 @@
 
     <string name="pref_gsp_title">Местоположение наземной станции</string>
     <string name="pref_pos_gps">Установить позицию по данным GPS</string>
-    <string name="pref_pos_gps_null">Местоположение отключено</string>
+    <string name="pref_pos_gps_null">Нет данных геолокации</string>
     <string name="pref_pos_gps_error">Нет разрешения использовать геоданные</string>
     <string name="pref_pos_qth">Установить позицию по локатору QTH</string>
     <string name="pref_pos_qth_error">Неправильный локатор QTH</string>
@@ -72,11 +72,11 @@
         \n— Вам за использование этого приложения! \nЖелаю всегда чистого неба над головой!
         \n— <a href="https://github.com/g4dpz">David A. B. Johnson</a> и
         <a href="https://github.com/davidmoten">Dave Moten</a> за работу над библиотекой predict4java и
-        открытие доступа к ней по лицензии <a href="https://gnu.org/licenses/old-licenses/gpl-2.0.en.html">GNU GPLv2</a>
+        за доступ к ней по лицензии <a href="https://gnu.org/licenses/old-licenses/gpl-2.0.en.html">GNU GPLv2</a>
         \n— <a href="https://github.com/csete">Alexandru Csete</a> за его замечательную
         программу Gpredict, которая вдохновила меня на создание Look4Sat.
         \n— <a href="https://celestrak.com/webmaster.php">Доктору T.S. Kelso</a> за его сайт
-        <a href="https://celestrak.com/">Celestrak</a>, который предоставляет доступ к файлам орбит Two-Line Element.
+        <a href="https://celestrak.com/">Celestrak</a> и доступ к файлам орбит Two-Line Element.
         \n— <a href="https://libre.space/">Libre Space Foundation</a> за проект
         <a href="https://db.satnogs.org/">SatNOGS</a>, API и базу данных с огромным количеством информации о спутниках.
         \n— <a href="https://square.github.io/">Square</a> за библиотеки OkHttp, Retrofit, Moshi и доступ
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 11bb37fd..3ffe0d5e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <string name="app_name" translatable="false">Look4Sat</string>
-    <string name="placeholder" translatable="false">Placeholder</string>
+    <string name="placeholder" translatable="false">dummy</string>
 
     <string name="no">No</string>
     <string name="yes">Yes</string>
@@ -60,7 +60,7 @@
 
     <string name="pref_gsp_title">Ground station position</string>
     <string name="pref_pos_gps">Set position from GPS data</string>
-    <string name="pref_pos_gps_null">Location is switched off</string>
+    <string name="pref_pos_gps_null">No geolocation data</string>
     <string name="pref_pos_gps_error">Check your location permissions</string>
     <string name="pref_pos_qth">Set position from QTH locator</string>
     <string name="pref_pos_qth_error">Invalid QTH locator</string>
diff --git a/app/src/main/res/xml/preference.xml b/app/src/main/res/xml/preference.xml
index bb1a7919..c249a72d 100644
--- a/app/src/main/res/xml/preference.xml
+++ b/app/src/main/res/xml/preference.xml
@@ -61,7 +61,7 @@
         android:title="@string/pref_map_labels_title"
         app:iconSpaceReserved="false">
         <SwitchPreferenceCompat
-            android:defaultValue="false"
+            android:defaultValue="true"
             android:key="shouldUseTextLabels"
             android:title="@string/pref_map_labels"
             app:iconSpaceReserved="false" />
diff --git a/core/src/main/java/com/rtbishop/look4sat/data/SatDataRepository.kt b/core/src/main/java/com/rtbishop/look4sat/data/SatDataRepository.kt
index 57fd50f9..cf33d179 100644
--- a/core/src/main/java/com/rtbishop/look4sat/data/SatDataRepository.kt
+++ b/core/src/main/java/com/rtbishop/look4sat/data/SatDataRepository.kt
@@ -42,23 +42,11 @@ class SatDataRepository(
         "https://www.prismnet.com/~mmccants/tles/inttles.zip"
     )
 
-    private val transmittersModes = arrayOf(
-        "AFSK", "AFSK S-Net", "AFSK SALSAT", "AHRPT", "AM", "APT", "BPSK", "BPSK PMT-A3",
-        "CERTO", "CW", "DQPSK", "DSTAR", "DUV", "FFSK", "FM", "FMN", "FSK", "FSK AX.100 Mode 5",
-        "FSK AX.100 Mode 6", "FSK AX.25 G3RUH", "GFSK", "GFSK Rktr", "GMSK", "HRPT", "LoRa",
-        "LRPT", "LSB", "MFSK", "MSK", "MSK AX.100 Mode 5", "MSK AX.100 Mode 6", "OFDM", "OQPSK",
-        "PSK", "PSK31", "PSK63", "QPSK", "QPSK31", "QPSK63", "SSTV", "USB", "WSJT"
-    )
-
-    fun getAllModes(): Array<String> {
-        return transmittersModes
-    }
-
-    fun saveModesSelection(modes: List<String>) {
+    fun saveSelectedModes(modes: List<String>) {
         preferencesSource.saveModesSelection(modes)
     }
 
-    fun loadModesSelection(): List<String> {
+    fun loadSelectedModes(): List<String> {
         return preferencesSource.loadModesSelection()
     }
 
diff --git a/fastlane/metadata/android/en-US/changelogs/250.txt b/fastlane/metadata/android/en-US/changelogs/250.txt
new file mode 100644
index 00000000..e95c9fbe
--- /dev/null
+++ b/fastlane/metadata/android/en-US/changelogs/250.txt
@@ -0,0 +1,6 @@
+Added simple custom source TLE update dialog
+Added immediate initial setup
+Added pass direction arrow to radar view #52
+Added orientation pointer to radar view
+Fixed radar view update bug #51
+Switched to modular architecture
\ No newline at end of file
diff --git a/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png b/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png
index ce6b6327..445629a6 100644
Binary files a/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png and b/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png differ
diff --git a/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png b/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png
index 1f17380a..aab711a9 100644
Binary files a/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png and b/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png differ
diff --git a/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png b/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png
index 178961fa..5b2612d0 100644
Binary files a/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png and b/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png differ
diff --git a/fastlane/metadata/android/en-US/images/phoneScreenshots/4.png b/fastlane/metadata/android/en-US/images/phoneScreenshots/4.png
index 5cdec6c3..2b266557 100644
Binary files a/fastlane/metadata/android/en-US/images/phoneScreenshots/4.png and b/fastlane/metadata/android/en-US/images/phoneScreenshots/4.png differ
diff --git a/fastlane/metadata/android/en-US/whatsnew/whatsnew-en-US b/fastlane/metadata/android/en-US/whatsnew/whatsnew-en-US
index a3f94317..e95c9fbe 100644
--- a/fastlane/metadata/android/en-US/whatsnew/whatsnew-en-US
+++ b/fastlane/metadata/android/en-US/whatsnew/whatsnew-en-US
@@ -1,5 +1,6 @@
-Removed hardcoded screen orientation
-Removed redundant permission from manifest
-Added antenna rotator control via socket
-Showing azimuth for respective maxElevation
-Showing satellite name on the polar screen
+Added simple custom source TLE update dialog
+Added immediate initial setup
+Added pass direction arrow to radar view #52
+Added orientation pointer to radar view
+Fixed radar view update bug #51
+Switched to modular architecture
\ No newline at end of file