sdrtrunk

A cross-platform Java application for decoding, monitoring, recording, and streaming trunked mobile and related radio protocols using Software Defined Radios (SDR). SDRtrunk is an integrated application for demodulating radio signals and decoding trunked radio network protocols and some related radio signal formats. The application does NOT require a discriminator tapped scanner and it does NOT require the use of audio piping applications like Virtual Audio Cable. All connections between the tuner or sound card and the decoders are provided by the sdrtrunk application. SDRTrunk uses channel definitions to configure and set up each demodulation and decoder processing sequence. In order to successfully decode radio signals, each channel configuration requires:

• Source – specifies where to get the radio samples from (tuner or sound card)
• Decoder – which demodulator or decoder to use in processing the source samples

Each channel definition allows you to optionally configure:

• Aux Decoder – additional in-band audio digital signal protocol decoding
• Logging – log decoded messages or events
• Recording – record audio calls or digitized baseband samples

The SDRTrunk application is programmed in Java and can run on any computer where Java is supported for the operating system and where the computer hardware (processor/memory) is sufficient for the processing workload.

Changelog v0.4.0 Beta 4

NOTE: this is a ‘beta’ release which means it is feature complete and in testing before the final release version.

This release adds support for APCO25 Phase II decoder.

1. Requirements:

• Windows x86 (64 or 32-bit)
• Linux x86 (64 or 32-bit)
• OSX x86 (64-bit)

Note: Linux for arm-32 and aarch-64 are NOT currently supported

2. Optional Requirements
   JMBE version 1.0.0 is required for decoding APCO25 Phase 1 and Phase 2 digital audio. Instructions for compiling this library are located at: https://github.com/DSheirer/sdrtrunk/wiki/JMBE
3. User Manual
   https://github.com/DSheirer/sdrtrunk/wiki/UserManual_V0.3.0
4. Support
   Please post questions or report issues/errors to the sdrtrunk mailing list on Google Groups:
   https://groups.google.com/forum/#!forum/sdrtrunk
5. Changes

• #644 Icecast/Broadcastify Metadata Updater Error

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