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sdrtrunk

A cross-platform java application for decoding, monitoring, recording and streaming trunked mobile and related radio protocols using Software Defined Radios (SDR).

sdrtrunk Application Overview - Version 0.3.0 Figure 1: sdrtrunk Version 0.3.0 Application Screenshot

End User Instructions:

If you simply want to download and run the program, please follow these instructions.

Download the latest sdrtrunk release for your operating system

All release versions of sdrtrunk are available from the releases tab.

  • (alpha) These versions are under development feature previews and likely to contain bugs and unexpected behavior.
  • (beta) These versions are currently being tested for bugs and functionality prior to final release.
  • (final) These versions have been tested and are the current release version.

Unzip the release

Use 7-zip or any zip utility to unzip the release file

Start the application

Once unzipped, open a command prompt to where you unzipped the release. Change to the /bin directory and use the launch script to start the application:

  • Windows sdr-trunk.bat
  • Linux/OSX ./sdr-trunk

Optional - P25/DMR Audio

If you're using sdrtrunk with a P25 or DMR radio system, you'll need to compile and include the JMBE digital audio library.

In Version 0.5.0 and higher, the SDRTrunk application has support for building the JMBE library. On the menu, choose View >> User Preferences and then click the Decoder >> JMBE Audio Library tab.

For versions prior to Version 0.5.0, the JMBE wiki page contains instructions for downloading the JMBE audio library source code and compiling the JMBE library. Once you have compiled the library, launch the sdrtrunk application. From the menu bar, choose View >> Preferences. In the JMBE Audio Codec section, update the path to where your compiled JMBE library is located. Any channels that are started after you set the path will be able to produce P25 audio.

Minimum System Requirements

  • Operating System: Windows (32 or 64-bit), Linux (32 or 64-bit) or Mac/Linux (64-bit, 10.14 or higher)
  • CPU: 4-core
  • RAM: 8GB or more (preferred). Depending on usage, 4GB may be sufficient.

Developer Instructions:

If you're interested in modifying and/or compiling the source code, please follow these instructions to use gradle to compile the code.

Build the project

sdrtrunk uses the gradle build system. This requires OpenJDK 17 or higher installed on your local computer.

OpenJDK

There are many vendors producing OpenJDK distributions. A few that I use are:

Use the gradle wrapper to build the source code:

Linux

./gradlew clean build

Windows

gradlew.bat clean build

The /build/distributions folder will contain the zip file of the compiled program. Unzip it and launch the program from the scripts in the /bin directory.

Run the Application (from Gradle)

Linux

./gradlew clean run

Windows

gradlew.bat clean run

Development

All dependencies/versions are controlled from build.gradle. To change the new release version tag of artifact - change property:

version = '0.5.0'

About

A cross-platform java application for decoding, monitoring, recording and streaming trunked mobile and related radio protocols using Software Defined Radios (SDR). Website:

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