The codec that d star users is the only proprietary portion of the d star design. The d star modem isnt patented and has opensource implementations, and also a dataonly mode. Aug 19, 2011 d star also allows you to send data with programs such as d rats, so there are reflectors dedicated to data. D rats also provides for transferring of files and forwarding of messages from one user to another, automatically. Here is a list of the various d star reflectors available. I wrote this software which monitors dstar repeaters and reflectors over the internet and decodes audio and data with no hardware. D rats is a small multi platform application designed to provide digital data communication using the d star protocol. That is a simple relay of transmit and receive communication in 1. About d rats the resource is currently listed in in 2 categories. Decoder software free download decoder top 4 download.
Technical details d star transfers both voice and data via digital encoding over the 2m vhf and 23cm 1. To connect to the internet without a dstar radio, you will define and use a repeater proxy also known as a ratflector. This page shows how to install and configure the stardv software on windows. Dstar calculator the dstar calculator assists users with the information to program into their radios. The quality of the d star voice signal is very similar to that of fm voice. It allows you to choose the source repeater, destination system and the function that you desire to use. The dstar modem isnt patented and has opensource implementations, and also a dataonly mode. Interfacing common radios to d star controllers by robert meister wa1mik.
D rats not just for d star radios debbie fligor, n9dn tcarc meeting 392010 tuesday, march 9, 2010. Position, course, speed and altitude are shown on the display. Support for using a tnc or a network connection instead of a d star radio. Arvn programimg d star radios pt 1 id2820 arvn programimg d star radios pt 2 ic9192 id800.
The primary australian d star reflector, ref003c is off air and is being rebuilt. The dstar calculator assists users with the information to program into their radios. D star calc by rt systems the programmer is designed to give you the ease and convenience of programming the memories and options of the radio from your pc. The 64 bit version is 30k big while the 32 bit version is 29k. Drats uses the lowspeed data port found on all dstar radios to send and receive data from other systems on the network. Using a preformatted query string on the low speed data link, append any received parameters, execute the program, and send the generated data back to the requestor. It is an open standard digital communication protocol established by jarl. Using the d rats software by connecting to your transceiver you can connect your computer to your d star transceiver using a serial cable. David, pa7lim, introduced a pre beta version of the software in 2017. D star or digital smart technologies for amateur radio is a frequency division multiple access fdma gaussian minimum shift keying gmsk digital voice and data protocol used in amateur radio.
Interfacing a kenwood tkr720820 to a d star controller by john d. Software defined dongle decodes dstar dashboards and websites that can. All other parts of d star are open which has allowed u. The d star format was developed by the jarl as an open standard protocol. This link is listed in our web site directory since sunday feb 24 2008, and till today d rats has been followed for a total of 6800 times. Ic7100, ic80, ic9100, ic92, id31, id51, id880h and the ic5100 if you dont use the memory card method. Id1 1200mhz digital transceiver features icom america. After reading this document the reader should read other articles, books, and web pages to learn the finer points. Dstar reflector linking and unlinking ic2820h mic extension cable. Use the gps position information for exchanging position reports, tracing the gps log and searching for nearby repeater sites. Not all icom dstar radios support the import function within the software.
The usbrts05 cable programs the id880 through the 2. D star is a new amateur radio system which offers digital voice and data communication. It responds with the mycall, rpt1, rpt2, and urcall fields. Decoding dstar voice audio with rtl sdr rtl2832 and dsd 1. I cant help via team viewer or skype, but there is a gnuradio oot called grdsd that has a d star decoder, i havent used it so ymmw. In fact, the udr56k is an sdr and transmits d star. Simple point and click programs channels without having to count spaces for extensions. This allows him to decode dstar audio on a single windows pc. Gnuradio has a bit of a learning curve, you should checkout this video series using the hackrf you can use a fcd or regular rtlsdr, youll just need to update. If you have a 64 bit based computer and a 64 bit based operating system, this tutorial about the sdrangel software will be of interest. Id5100a vhfuhf dual band dstar transceiver features. Instead of configuring a network port as shown above, you would add a serial port instead. Please check with your local repeater or node administrator if ref023c has been permalinked if necessary.
D star is usually compared to echolink which is a voice over ip ham radio application. Listed under the software d star category that is about d star software. The dstar format was developed by the jarl as an open standard protocol. This article will help on how to set it up under windows and to decode digital voice modes with an inexpensive sdr dongle. Sdrangel also has transmit capabilities which makes it useful for sdrs such as. When d star repeaters are connected via 10ghz microwave, the d star system transfers a received data to another repeater site. Getting started with drats a quick start guide drats is a free, easy to use, multiplatform program for data communications with dstar devices or through the internet. The d star system provides a new capability and functionality to the ham radio world and increases the efficiency of emergency communications. D rats is a communications tool that allows stations to communicate via d star radios using low speed data dv data mode, packet radio and the internet.
Decoder software free download decoder top 4 download offers free software downloads for windows, mac, ios and android computers and mobile devices. The codec code is embedded on a microchip which encodes and decodes the audio. A new version has just been announced that includes a d star decoder you need to use a. Dstar programs category is a curation of 12 web resources on, peanut ham radio digital voice client, dstar tv, nj6ns dstar chat. One group advocating the construction of homebrewed dstar repeaters is freestar. Actually if i put an analog and d star mobile radio next to each other and asked you pick out the d star radio you couldnt tell the difference because they both have, a microphone. Decoding d star voice audio with rtl sdr rtl2832 and dsd 1. Bluedv for windows free dmrdstarfusion hotspot software for your windows pc. May 30, 2015 if you tune to a d star or dmr signal then all you will hear is the same digital noise that you would hear if you used a conventional fm receiver, as this is yet to be decoded. The dvap is actually a d star voice encoder decoder coupled with a micro transceiver that can be set to any frequency in either the 2 meter or 70cm amateur band there is a model for each band. D star radio main settings below is an overview of the d star main settings, all fields can contain up to 8 characters. Virtual audio cable the next stage is to get the received digital signal into a decoding software.
Hardwaresoftware for use with d star hardware dv dongle blue box the dv dongle is a small plastic blue box containing electronic components that allow a user via an internet connected windows, apple mac or linux based pclaptopnetbooks to access the d star network repeaters and reflectors. Using a windows pclaptoptablet as a lowcost dmrdstar. Dstar switch is an open collaborated project for creating base libraries and applications to allow the passing of information from the host computer to the d star radio and vice versa. Lets say in your area no one typically uses the 146. Dstar or digital smart technologies for amateur radio is a frequency division multiple access fdma gaussian minimum shift keying gmsk digital voice and data protocol used in amateur radio.
Was able to decode some d star voice conversations using the new dsd version 1. Software for packet radio use category is a curation of 32 web resources on, packetcluster dx statistics, winafsk, linpac packet radio terminal. The id5100a has integrated gps, which allows you to transmit and receive position data from the builtin gps receiver. Freestar is an experimental approach to the implementation of. Using the programmer, you can create separate files for unique applications such as travel, emergency activities, or special events. Just uploaded new version of d star decoder to files section. Hardwaresoftware for use with dstar hardware dv dongle blue box the dv dongle is a small plastic blue box containing electronic components that allow a user via an internet connected windows, apple mac or linux based pclaptopnetbooks to access the dstar network repeaters and reflectors.
It also works for some other icom d star radios handhelds and mobiles for. The following charts can help you compare the entire dstar product line based on features and specifications. Selected d star and dmr nets as of june 1, 2018 pacific day reftg mode comments time sat bm tg 91 dmr worldwide net, 1600 utc, checkins from all over the world 10. Repeater sites are predominantly connected over the internet and form a wide area amateur radio network as a result that can span states, countries, continents or the entire world. And, of course, youll want your radios frequency to match that of the dvap. The built in d star calculator gives you repeater and reflector information worldwide.
Dstar is a digital voice and data protocol specification for amateur radio. Up until recently it was possible to decode d star headers using either dsd 1. D rats is a free, easy to use, multiplatform program for data communications with d star devices or through the internet. Drats drats is a small application designed to provide data. D star gives you the capability to talk with hams across town and across the word. Getting started with d rats a quick start guide d rats is a free, easy to use, multiplatform program for data communications with d star devices or through the internet.
The dv access point dongle connects to your pc or intel based mac via a usb port and provides a 2 meter access point for use with a dstar radio. Today a homebrewed dstar repeater can be built using open source software, used commercial radio equipment and a computer. D rats is a small application designed to provide data communication capabilities with d star radios. The software can optionally work with a gmsk modem to create a d star compatible hotspot that also supports inshack qsos using a speakermike rather than a d star ht. Dstar is proprietary since icom is the only radio manufacture selling it. Reception done by a software defined radio and decoding of the dstar. Dstar is a realtime image capture and thermal analysis software for the sofradir ec ire line of high performance infrared cameras. The fmp nfm demodulator tuned to a mototrbo signal. D star query allows remote users to interact with a preconfigured program on a remote computer over d star dv lowspeed data link. Drats also provides for transferring of files and forwarding of messages from one user to another, automatically.
Please readjust your devices to connect to ref023c. Gps position tracking, distancedirection calculation, static beacon support, and integrated map viewer with offline caching. Actually if i put an analog and dstar mobile radio next to each other and asked you pick out the dstar radio you couldnt tell the difference because they both have, a microphone. Interfacing a ge mastr exec ii to a d star controller by ron wright n9ee. The dv access point dongle connects to your pc or intel based mac via a usb port and provides a 2 meter access point for use with a d star radio. Rt systems programmers for icom d star radios the rt systems programmers make it so easy to set up details for d star operations with your icom radio. It connects repeater sites over microwave links and the internet and forms a wide area ham radio network. An active discussion on the latest release of this software can be found in this thread on the forums. Dstar radio programming software icom radio software. Icom id5100a deluxe 144 430 mhz dual band d star mobile w mba2 mounting bracket. D star programs category is a curation of 12 web resources on, peanut ham radio digital voice client, dstar tv, nj6ns d star chat.
Added various output modules dongle,dvtool,udp,files,logging that can be combined, so you can listen to calls and stream it over internet and log it to disk. Its very popular with the hf decoding crowd if you can get past all those buttons. Interfacing an msr2000 to a d star controller by ron wright n9ee. The goal of this document is to give the reader just enough information to get started operating a d star capable icom radio on a local internetconnected d star repeater. Dstar digital smart technologies for amateur radio. The dstar stands for digital smart technologies for amateur radio. Using dstar monitor to listen to dstar repeaters and reflectors.
It works both for programming the radio with the rt systems software and as a cable for digital data using other programs such as d rats. The radios that will allow you to import if you have the software and lead are. Heres an awesome getting started with d rats by john, wb4qdx one of our webmasters. This you tube video features a demo by the washington country oregon ares group. D star digital smart technologies for amateur radio is a radio system which offers digital voice and data communication. Codec2 updated codec2 is a open source low bit rate speech codec designed for. Some of you may be familiar with the multi mode decoder package known as multipsk. Well, here you can download the latest version of d rats for ms windows v 0.
Decoding digital voice p25, dmr, nxdn, d star with dsd the rtlsdr software defined radio combined with sdrsharp and a program called digital speech decoder dsd can be used as a radio scanner to easily and cheaply listen to. The d star repeater operates similar to existing analog repeater. The software can be run on windows, macos and linuxunix computers. D star is proprietary since icom is the only radio manufacture selling it. These are used to connect drats internet users together and may also connect to a dstar radio to link rf users as well. For most simplex hotspot devices, dv mode wont work. Dratsdstar, ratflectors, tutorial, ares emcomm youtube. By using sdrsharp and stereo mix you can tune to a d star signal. You also will need to be able to unlink and maybe use the echo test or check the dvap status. Dstar features a highly intuitive user interface and a library of powerful tools that enable the sophisticated analysis of thermal behaviour for a wide range of objects and materials.
The first detroit area dstar rf repeater went live today, and i was able to catch a few seconds of a qso. D star digital smart technologies for amateur radio is a digital voice and data protocol specification for amateur radio. It requires a thumbdv and an internetconnected pc running windows. The drats download is for a 32 bit windows operating system. You could theoretically run codec 2 over dstar, though id guess dstars data rate is well in excess of whats required by codec 2. Ray novak from icom on ham radio, life, d star, ic7300 and the new ic705 duration.
If you want d star digital voice, you do need to purchase an addon card which contains an asic from dvsi implementing the propritary ambe codec, or pay a substantial but undisclosed publicly licensing fee. You may need to buy one or build one for your computer and radio combination. It supports text chatting, file transfers, position reporting and mapping, and much more. One can safely assume that any licensing agreement would forbid any free. It occurs to me that i am sure ive seen software that can decode d star using a sound card, and the dvdongle.
You do not need a d star radio to learn how to use d rats. The open source software, stardv, was written by rick kd0oss of matrix circuits. Wb8nut dstar information page amateur radio wb8nut. D rats supports text chatting, filetransfer, gps reporting and mapping. If you tune to a d star or dmr signal then all you will hear is the same digital noise that you would hear if you used a conventional fm receiver, as this is yet to be decoded. D rats has been called the swiss army knife of d stat data communications. The system was developed in the late 1990s by the japan amateur radio league and uses minimumshift keying in its packetbased standard.
Dstar switch an open collaborated project for creating base libraries and applications to allow the passing of information from the host computer to the dstar radio and vice versa. Although dchat was a useful means of communication drats was. Resources listed under dstar category belongs to software main collection, and get. D star is the result of research by the japan amateur radio league to investigate digital technologies for amateur radio. The d rats download is for a 32 bit windows operating system. If youre using a hotspot for d star, its really important that you set up your radio properly. Once you try it, d rats will become the most used tool in your emcomm tool box. Dv dongle software the dv dongle connects to your pc or apple mac via a usb port and provides encoding and decoding of compressed audio using the dvsi ambe2000 full duplex vocoder dsp chip. At the end of last month we uploaded a post highlighting the sdrangel software, which is a general purpose sdr program with some interesting features such as built in digital speech decoders for dmr, d star and fusion. Memory downloads for a dvap with a dvap, you have to have your radio programmed to issue the link commands. The main category is d star software that is about d star programs. I would hazard the solution could be ascertained by decoding the output of the voice frames raw and comparing what is passed to the dvdongle which is effectively an interface to the ambe2020 chip. You could theoretically run codec 2 over d star, though i d guess d star s data rate is well in excess of whats required by. Sure you know what d star is, but did you know there are other methods of digital data besides talking over a reflector with your gps coordinates.
Drats is a communications tool that allows stations to communicate via dstar radios using low speed data dv data mode, packet radio and the internet. So, the dvap memories sections allows just that, enter. D star or digital smart technologies for amateur radio is a digital voice and data protocol used in amateur radio. This is known as d star repeater dr mode or duplex mode. Icom id5100a deluxe transceivers mobile dual band 2m70cm.