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This page contains links and downloads for utilities that can be used to decode the data streams of various trunked systems. With the exception of Pro96Com, these applications require audio from the [[Discriminator output]] of your scanner. In addition, except Pro96com and UniTrunker, you must convert the audio from your scanner into serial data by using one of the circuits (or pre made units) shown on the [[Data Slicers]] page.
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This page contains links and downloads for utilities that can be used to decode the data streams of various trunked systems. Many, though not all, of these applications require audio from the [[Discriminator output]] of your scanner. Some of the older utilities (like Trunker) require you to convert the audio from your scanner into serial data by using one of the circuits (or pre made units) shown on the [[Data Slicers]] page. Newer applications such as UniTrunker, DSD and DSDPlus don't require the use of a data slicer. See the applications' page for more information.
  
==Existing Pages==
 
* [http://www.mvpcollaborative.com/p96/ Pro96Com]
 
* '''NOTE:''' This utility is designed to work with the [[Pro-96]] and [[Pro-2096]] scanners on Motorola '''9600 baud''' APCO-25 digital systems '''ONLY'''
 
* [http://www.thebriarpatch.org/treport/ Treport]
 
* [[Trunker]]
 
* [http://www.mnorwood.com/TrunkerDM/ TrunkerDM]
 
* [[T4Win]] 
 
* [[UniTrunker]]
 
  
==Downloads==
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Some of these utilities may also be directly addressed by [[Software Defined Radios]], such as the [[RTL-SDR]], or may be used via piping. For this unit, and possibly many others, see the [http://www.rtl-sdr.com/big-list-rtl-sdr-supported-software/ Big List of RTL-SDR Supported Software].
===Development===
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* [http://www.radioreference.com/modules.php?name=Downloads&d_op=getit&lid=16 Demo88]
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'''Description:'''A Trunked Radio Decoder for Motorola Systems. Very similar in operation to trunker, but does not provide computer control. You must be a member of the [http://groups.yahoo.com/group/TRUNK88/ TRUNK88] Yahoo group to access this file.
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If you have questions about these utilities, please post on the [https://forums.radioreference.com/forums/voice-control-channel-decoding-software.26/ Voice Control Channel Decoding Software] forum. [[Software Defined Radios|SDR]] related questions should be posted in the [https://forums.radioreference.com/forums/software-defined-radio.193/ Software Defined Radio] forum.
 
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* [http://www.radioreference.com/modules.php?name=Downloads&d_op=getit&lid=13 Capture.Zip]
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===DMR Utilities===
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* [https://github.com/IanWraith/DMRDecode DMRDecode]
 +
 
 +
=== MultiProtocol Decoders ===
 +
 
 +
These decoders support multiple trunked system types:
 +
 
 +
* [[Digital Speech Decoder (software package)]] - Decodes many voice trunking systems, including a few currently not supported on todays scanners (see below)
 +
* [[DSDPlus]] - Software that decodes audio for NXDN4800 (Kenwood NEXEDGE and Icom IDAS), NXDN9600 (Kenwood NEXEDGE), DMR/MotoTRBO (TDMA inputs + both output slots), P25 Phase 1,  X2-TDMA, and ProVoice.  D-STAR & dPMR can be decoded but without audio.
 +
* [https://opensourcelibs.com/lib/openear OpenEar]  Decodes [[DMR]], [[TETRA]], [[Project 25|P25]], [[ADS-B]], [[NXDN]], POCSAG
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** [https://www.youtube.com/watch?v=H47oBlqu2LA&t=3s&ab_channel=TechMinds OpenEar (YouTube)]
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* [http://osmocom.org/projects/op25/wiki OP25]
 +
**'''Description:''' software defined radio implementation of a P25, DMR Yaesu Fusion and DSTAR receiver and transmitter based on GNURadio.
 +
* [https://github.com/dsheirer/sdrtrunk/wiki/ SDRTrunk] - multi-channel audio and control data decoder for USB software defined radio dongles and scanner audio output with decoder support for P25 Phase 1 C4FM/LSM Simulcast, P25 Phase 2, LTR, LTR-Net, Passport, MPT-1327, Fleetsync II, Lojack, MDC-1200 and Tait GPS protocols
 +
** Compatible with some [[Software Defined Radios|SDR]] Dongles- see the website for more
 +
* [[TrunkPCR]]- Motorola and EDACS trunking for the Icom PCR computer-driven receivers
 +
* [[T4Win]] - development has ceased in favor of Unitrunker, (below)
 +
* [[UniTrunker]] - auto-detects and decodes Project 25 9600 baud, Motorola 3600 baud, EDACS, EDACS ESK, and MPT-1327 systems
 +
 
 +
=== TETRA decoders ===
 +
* See the [[TETRA#TETRA_decoders|Decoders]] section of the TETRA article for applications
 +
 
 +
=== Project 25 9600baud decoders ===
 +
 
 +
* PRO96Com
 +
** [[Media:Pro96Com.pdf|Pro96Com User Guide (PDF)]]
 +
**'''Description:''' This utility is designed to log and map 9600bps APCO-25 trunked systems '''only''' using the following models of scanners:
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***'''GRE/Radio Shack''': [[Pro-96]], [[Pro-2096]], Pro 106, Pro 197 (trunking stream monitoring only)
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***'''GRE''': [[PSR-500]], [[PSR-600]] (trunking stream monitoring or as secondary radio)
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***'''Uniden''': [[BC250D]], [[BC296D]], [[BC785D]], [[BC796D]], [[BCD996T]], [[BCD396T]] (secondary radio only, controlled by PRO96Com)
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***'''AOR''': [[AR5000]] (secondary radio only, controlled by PRO96Com)
 +
**Plans for EDACS and 3600bps APCO-25 support are planned for a later release '''for GRE PSR-500/600 only''' (the Pro-96 cannot be supported due to the fact it does not output the necessary data).  Of note, PRO96Com does '''not''' require a discriminator tap.
 +
 
 +
* [https://github.com/dsheirer/sdrtrunk/wiki SDRTrunk]
 +
**'''Description:''' decodes C4FM and CQPSK LSM Simulcast control and traffic channels and provides decoded audio support via the JMBE library
 +
** Compatible with some [[Software Defined Radios|SDR]] Dongles- see the website for more
 +
 
 +
=== Motorola Decoders ===
 +
 
 +
* [[Trunker]] - The original DOS based Motorola Control Channel decoder.  Provides scanner control and basic talkgroup/id tracking.
 +
* [https://www.r00t.cz/SW/Trunker MTrunker ported to Win32]
 +
* TRUNK88 - A Trunked Radio Decoder for Motorola Systems. Very similar in operation to trunker, will control most Uniden radios, will accept data slicer or SB16 compatible sound input. Program download is [http://home.ica.net/~phoenix/wap/TRUNK88/ here]. 
 +
** Compatible with some [[Software Defined Radios|SDR]] Dongles such as the [[RTL-SDR]]
 +
 
 +
===EDACS Decoders===
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* [http://www.thebriarpatch.org/treport/files/ED.ZIP EDACS Diagnostics Version 1]
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'''Description:''' Displays EDACS Diag Information for EDACS systems.
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* [[Media:Esk.zip|Trunker with ESK Support]]
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'''Description:''' A version of the Etrunker EDACS decoder that supports EDACS System Key (ESK) systems.
 +
 
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* [http://www.radioreference.com/digital/e383/e383.zip ETrunker Version 3.83]
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* [http://www.radioreference.com/digital/m383/trunker.pdf Trunker 3.83 documentation (last two pages include Etrunker info.)]
 +
 
 +
'''Description: '''The E-Trunker Utility. Decodes and Displays information from the EDACS Trunked Radio Datastream. This version is dated 07/27/2001 
 +
 
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* [http://www.radioreference.com/trunked/edacs/geafs25.zip GEAFS]
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'''Description:'''Utility for managing EDACS talkgroups in the Etrunker program. Note this is a DOS application, but is compiled to only run under Windows.
 +
 
 +
<br>
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==='''MPT-1327''' Decoders===
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* [https://github.com/dsheirer/sdrtrunk/wiki SDRTrunk] - provides full traffic channel following when used with one or more USB dongle receivers.  Decodes control channel from normal scanner audio or from USB dongle.
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** Compatible with some [[Software Defined Radios|SDR]] Dongles- see the website for more
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* Trunksniffer
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** [http://www.ukmidlandscanner.co.uk/trnksniffrev.htm TrunkSniffer review at ukmidlandscanner] 
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* [http://www.linato.net/trunkview/ TrunkView] - Does NOT require a discriminator tap.
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* [http://www.r00t.cz/SW/MPTTrunker R00t's MPTTRUNKER]
 +
 
 +
===LTR Decoders===
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* [[Media:Ltreacb04.zip|LTRTrunk/LTRDump]]
 +
'''Description:''' Eric Cottrell has graciously compiled LTR, Passport and MultiNet Tracking support into a trunker like interface. This is the latest beta release RC4. Some modifications to the discriminator input are necessary to add additional filtering for using this utility. The schematic for these changes is shown [[media:LTRDicer1.png|here]]
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* [http://home.ica.net/~phoenix/wap/LTR/ LTR Analyzer]
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** Compatible with some [[Software Defined Radios|SDR]] Dongles- see the website for more
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* [http://www.ericcarlson.net/ltrlogger/ LTRLogger] - Windows commandline application to output LTR data in an easily human-readable format
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* [https://github.com/dsheirer/sdrtrunk/wiki SDRTrunk] - LTR Standard, LTR-Net, Passport
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** Compatible with some [[Software Defined Radios|SDR]] Dongles- see the website for more
 +
 
 +
===Winradio Trunking Decoders===
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* [http://www.winradio.com/home/trunking.htm Winradio Trunking Option] For Analog Motorola and MPT1327 systems
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* [http://www.winradio.com/home/g305-apco25.htm Winradio APCO-25 Option] For G305 Series receivers
 +
 
 +
===Development and Source Code===
 +
* [http://www.radioreference.com/digital/wtrk/capture.zip Capture.Zip]
 
'''Description:''' Holds some C++ source code of a crude port of crucial portions the Motorola Trunker program. This program served as a proof of concept for using a sound card instead of a serial port for input. Persons so inclined may wish to compile this into an executable using Visual Studio 6 or Visual Studio .NET. This example runs in console mode and displays talk group information as it is decoded from the microphone input of the soundcard.
 
'''Description:''' Holds some C++ source code of a crude port of crucial portions the Motorola Trunker program. This program served as a proof of concept for using a sound card instead of a serial port for input. Persons so inclined may wish to compile this into an executable using Visual Studio 6 or Visual Studio .NET. This example runs in console mode and displays talk group information as it is decoded from the microphone input of the soundcard.
 
   
 
   
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<br>
 
<br>
  
===EDACS Utilities===
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===Miscellaneous Utilities===
* [http://www.radioreference.com/modules.php?name=Downloads&d_op=getit&lid=8 EDACS Diagnostics Version 1]
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* Marshall Sherard, KE4ZNR, has an [http://qsl.net/ke4znr/TGID/ online talkgroup converter] that can be used to convert between the various formats of talkgroups (EDACS hex, AFS, Uniden, Decimal and Motorola)<br/>
'''Description:''' Displays EDACS Diag Information for EDACS systems.
 
  
* [http://www.radioreference.com/modules.php?name=Downloads&d_op=getit&lid=75 ETrunker with ESK Support]
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* [http://www.thebriarpatch.org/treport/files/h2f.zip H2F]
'''Description:''' A version of the Etrunker EDACS decoder that supports EDACS System Key (ESK) systems.
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'''Description:''' DOS Type I utility to convert hex or decimal values to all Sizecode variations. And now supports converting a hex or decimal number to Uniden AFS.
  
* [http://www.radioreference.com/modules.php?name=Downloads&d_op=getit&lid=4 ETrunker Version 3.83]
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* [http://www.thebriarpatch.org/treport/files/OUT2OSW.ZIP OUT2OSW.exe]
'''Description:'''The E-Trunker Utility. Decodes and Displays information from the EDACS Trunked Radio Datastream. This version is dated 07/27/2001
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'''Description:''' Conversion utility for DUMP.TRE to TREPORT.OSW [Initiate load with 'O'] "OUT2OSW /6 treport.osw"
  
* [http://www.radioreference.com/modules.php?name=Downloads&d_op=getit&lid=22 GEAFS]
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* [http://www.thebriarpatch.org/treport/files/trunked_frequency_table_v2.zip Trunked Frequency Table (v2).zip]
'''Description:'''Utility for managing EDACS talkgroups in the Etrunker program. Note this is a DOS application, but is compiled to only run under Windows.  
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'''Description:''' This spreadsheet for MS Excel allows you to figure various options for frequency defined systems (VHF/UHF). You can calculate a base frequency for each allowable offset, print out a full range with a given base and offset, convert a channel hex id to an 800 or 900 frequency, and define a configuration for programming a Motorola radio or system.
<br>
 
  
===LTR Utilities===
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[[Category:Software Downloads]]
* [http://www.radioreference.com/modules.php?name=Downloads&d_op=getit&lid=74 LTRTrunk/LTRDump]
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[[Category:Software for Signal Analysis and Decoding]]
'''Description:''' Eric Cottrell has graciously compiled LTR, Passport and MultiNet Tracking support into a trunker like interface. This is the latest beta release RC4.
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[[Category:UniTrunker Software]]
<br>
 
===MPT1327 Utilities===
 
* [http://www.radioreference.com/modules.php?name=Downloads&d_op=getit&lid=73 Tronquito]
 
'''Description:'''Tronquito is a Linux based MPT-1327 decoder, and supports trunktracking using Icom radios. Tronquito has also been ported to Win32, and a binary executable is included with the distribution.
 

Latest revision as of 17:32, 22 September 2021

This page contains links and downloads for utilities that can be used to decode the data streams of various trunked systems. Many, though not all, of these applications require audio from the Discriminator output of your scanner. Some of the older utilities (like Trunker) require you to convert the audio from your scanner into serial data by using one of the circuits (or pre made units) shown on the Data Slicers page. Newer applications such as UniTrunker, DSD and DSDPlus don't require the use of a data slicer. See the applications' page for more information.


Some of these utilities may also be directly addressed by Software Defined Radios, such as the RTL-SDR, or may be used via piping. For this unit, and possibly many others, see the Big List of RTL-SDR Supported Software.


If you have questions about these utilities, please post on the Voice Control Channel Decoding Software forum. SDR related questions should be posted in the Software Defined Radio forum.

DMR Utilities

MultiProtocol Decoders

These decoders support multiple trunked system types:

  • Digital Speech Decoder (software package) - Decodes many voice trunking systems, including a few currently not supported on todays scanners (see below)
  • DSDPlus - Software that decodes audio for NXDN4800 (Kenwood NEXEDGE and Icom IDAS), NXDN9600 (Kenwood NEXEDGE), DMR/MotoTRBO (TDMA inputs + both output slots), P25 Phase 1, X2-TDMA, and ProVoice. D-STAR & dPMR can be decoded but without audio.
  • OpenEar Decodes DMR, TETRA, P25, ADS-B, NXDN, POCSAG
  • OP25
    • Description: software defined radio implementation of a P25, DMR Yaesu Fusion and DSTAR receiver and transmitter based on GNURadio.
  • SDRTrunk - multi-channel audio and control data decoder for USB software defined radio dongles and scanner audio output with decoder support for P25 Phase 1 C4FM/LSM Simulcast, P25 Phase 2, LTR, LTR-Net, Passport, MPT-1327, Fleetsync II, Lojack, MDC-1200 and Tait GPS protocols
    • Compatible with some SDR Dongles- see the website for more
  • TrunkPCR- Motorola and EDACS trunking for the Icom PCR computer-driven receivers
  • T4Win - development has ceased in favor of Unitrunker, (below)
  • UniTrunker - auto-detects and decodes Project 25 9600 baud, Motorola 3600 baud, EDACS, EDACS ESK, and MPT-1327 systems

TETRA decoders

  • See the Decoders section of the TETRA article for applications

Project 25 9600baud decoders

  • PRO96Com
    • Pro96Com User Guide (PDF)
    • Description: This utility is designed to log and map 9600bps APCO-25 trunked systems only using the following models of scanners:
    • Plans for EDACS and 3600bps APCO-25 support are planned for a later release for GRE PSR-500/600 only (the Pro-96 cannot be supported due to the fact it does not output the necessary data). Of note, PRO96Com does not require a discriminator tap.
  • SDRTrunk
    • Description: decodes C4FM and CQPSK LSM Simulcast control and traffic channels and provides decoded audio support via the JMBE library
    • Compatible with some SDR Dongles- see the website for more

Motorola Decoders

  • Trunker - The original DOS based Motorola Control Channel decoder. Provides scanner control and basic talkgroup/id tracking.
  • MTrunker ported to Win32
  • TRUNK88 - A Trunked Radio Decoder for Motorola Systems. Very similar in operation to trunker, will control most Uniden radios, will accept data slicer or SB16 compatible sound input. Program download is here.
    • Compatible with some SDR Dongles such as the RTL-SDR

EDACS Decoders

Description: Displays EDACS Diag Information for EDACS systems.

Description: A version of the Etrunker EDACS decoder that supports EDACS System Key (ESK) systems.

Description: The E-Trunker Utility. Decodes and Displays information from the EDACS Trunked Radio Datastream. This version is dated 07/27/2001

Description:Utility for managing EDACS talkgroups in the Etrunker program. Note this is a DOS application, but is compiled to only run under Windows.


MPT-1327 Decoders

LTR Decoders

Description: Eric Cottrell has graciously compiled LTR, Passport and MultiNet Tracking support into a trunker like interface. This is the latest beta release RC4. Some modifications to the discriminator input are necessary to add additional filtering for using this utility. The schematic for these changes is shown here

  • LTR Analyzer
    • Compatible with some SDR Dongles- see the website for more
  • LTRLogger - Windows commandline application to output LTR data in an easily human-readable format
  • SDRTrunk - LTR Standard, LTR-Net, Passport
    • Compatible with some SDR Dongles- see the website for more

Winradio Trunking Decoders

Development and Source Code

Description: Holds some C++ source code of a crude port of crucial portions the Motorola Trunker program. This program served as a proof of concept for using a sound card instead of a serial port for input. Persons so inclined may wish to compile this into an executable using Visual Studio 6 or Visual Studio .NET. This example runs in console mode and displays talk group information as it is decoded from the microphone input of the soundcard.

Description: Source code for the Trunker / Etrunker decoding applications. This is the full C++ code for both applications

Miscellaneous Utilities

  • Marshall Sherard, KE4ZNR, has an online talkgroup converter that can be used to convert between the various formats of talkgroups (EDACS hex, AFS, Uniden, Decimal and Motorola)

Description: DOS Type I utility to convert hex or decimal values to all Sizecode variations. And now supports converting a hex or decimal number to Uniden AFS.

Description: Conversion utility for DUMP.TRE to TREPORT.OSW [Initiate load with 'O'] "OUT2OSW /6 treport.osw"

Description: This spreadsheet for MS Excel allows you to figure various options for frequency defined systems (VHF/UHF). You can calculate a base frequency for each allowable offset, print out a full range with a given base and offset, convert a channel hex id to an 800 or 900 frequency, and define a configuration for programming a Motorola radio or system.