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Loud Bang

RX/TX capable WSPR client
New in version 0.50
Fixed crashes after audio permissions check failed.
First WSPR client for android that can not only transmit beacon signals using phone's audio output, but also receive and decode beacons using phone's audio input.

It can use device's camera flash to trigger yout radio's transmit circuitry, GPS to automaticaly update your GRID location the app transmits, and network to send received packets to wsprnet.org.

Most of permissions are not required if those features are disabled in settings (which are disabled by default).

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Versions

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

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  • Version 0.50 (50) suggested Added on May 03, 2024

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • android.permission.FLASHLIGHT
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • aq.metallists.loudbang.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.5 MiB PGP Signature | Build Log

  • Version 0.49 (49) - Added on Nov 05, 2023

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • android.permission.FLASHLIGHT
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.
    • aq.metallists.loudbang.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION

    Download APK 7.5 MiB PGP Signature | Build Log

  • Version 0.48 (48) - Added on Oct 15, 2023

    arm64-v8a armeabi-v7a x86 x86_64

    This version requires Android 4.0 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.
    • android.permission.FLASHLIGHT
    • run foreground service
      Allows the app to make use of foreground services.
    • have full network access
      Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
    • record audio
      This app can record audio using the microphone while the app is in use.
    • prevent phone from sleeping
      Allows the app to prevent the phone from going to sleep.

    Download APK 7.1 MiB PGP Signature | Build Log