Id1 1200mhz digital transceiver features icom america. Dstar dtmf decoder radiochannel quality logger introduction. This allows him to decode dstar audio on a single windows pc. Althou dtmf is very common on analog fmrepeaters, it use on dstar repeaters has sofar been as good as unexisting. Dstar digital smart technologies for amateur radio is a digital voice and data protocol specification for amateur radio. It is open, and currently i know that digital signal decoder dsd can actually decode some data and textual frames what prohibits transmission of dstar digital voice is the codec used to encode the voice its ambe2000, which is patented and proprietary. The icom ic92ad is a rugged 5 watt dualband ht with dstar builtin. It was created by the japan amateur radio league jarl and is an open standard. Sdrangel also has transmit capabilities which makes it useful for sdrs such as. Simple point and click programs channels without having to count spaces for extensions.
In addition it is possible to connect the drats program to the gateway to. Dsd is able to decode several digital voice formats from discriminator tap audio and synthesize the decoded speech. The dvap is actually a dstar voice encoderdecoder 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. Drats is a small application designed to provide data communication capabilities with dstar radios. Additionally, using dvdongle the audio of the dstar signal can be uncompressed and played out. Rt systems programmers for icom dstar radios the rt systems programmers make it so easy to set up details for dstar operations with your icom radio.
Dstar gives you the capability to talk with hams across town and across the word. It supports both the node adapter series of boards as well as the dv access point and dv dongle series of usb devices. Just plug it into your pc usb interface which is also used to power the decoder unit, install the software and enjoy the world of digital transmission decoding. The most common digital speech codec is apco p25, which dsd is able to decode. Hier ist wohl eine sprachdekodierung fur dstar enthalten. Dsd is also capable of decoding other common digital codecs such as dmr mototrbo, nxdn, dstar and provoice. The dstar modem isnt patented and has opensource implementations, and also a dataonly mode. 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. Up until recently it was possible to decode dstar headers using either dsd 1. 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.
Ham radio deluxe software the radio amateurs best asset. Etresoft decoder is a drag and drop program that will decode yenc, mime base64, uuencoded, applesingle, macbinary i, ii, and iii, and binhex files. When dstar repeaters are connected via 10ghz microwave, the dstar system transfers a received data to another repeater site. All other parts of dstar are open which has allowed u. The universal cms dvr software is used for monitoring mixed brands of dvrs, its usually used by people who have h. And, of course, youll want your radios frequency to match that of the dvap. That is a simple relay of transmit and receive communication in 1. Dstar programs category is a curation of 12 web resources on, peanut ham radio digital voice client, dstar tv, nj6ns dstar chat. Here is a list of the various dstar reflectors available.
This you tube video features a demo by the washington country oregon ares group. This page shows how to install and configure the stardv software on windows. The dstar repeater operates similar to existing analog repeater. Its very popular with the hf decoding crowd if you can get past all those buttons. The program can be run as either a gui or text based program, with the configuration being done in the gui version. Decoding dstar voice audio with rtl sdr rtl2832 and dsd 1.
When used with the optional cs9100 programming software, memory channels, band edges, repeater list for dr mode, dstar callsign and gps memory channels can be easily edited with a pc. Dstar is usually compared to echolink which is a voice over ip ham radio application. 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. The first detroit area d star rf repeater went live today, and i was able to catch a few seconds of a qso. Star sat is renowned brand in the market of satellite receivers, satellite accessories and home appliances establish in 1975. Dstar digital smart technologies for amateur radio ist ein digitaler ubertragungsstandard. Ambe technology is used in all dstar radios to provide efficient voice transmissions. The ic92ad and optional hm175gps have superior waterproof protection and is equivalent to ipx7 1 meter underwater for 30 minutes.
Speech synthesis requires mbelib, which is a separate package. Just uploaded new version of dstar decoder to files section. It contains a powerful 32bit micro controller as well as a complete 70cm transceiver and modulatordemodulator for gmsk and 4fsk including raised cosine as well as a usb interface. The dv4mini is a tiny but powerful usb stick that can change any pc into a hotspot for the all amateur digital modes, c4fm, dstar and dmr.
His dstar work spawned from his rtpdir bridge project of 2007 and at some point in 20 he discontinued his work and was no longer answering emails while scott may be gone from the development scene, fortunately a lot of his software has been archived and mirrored. There are other digital modes that have been adapted for use by amateurs, but dstar was the first that was designed specifically for. Dstar open source dextra project by scott lawson, ki4lkf. The winradio wrdrd171 digital radio decoder is a smart and handy decoder dongle that provides a hardware codec for single channel reception of digital transmissions. The system was developed in the late 1990s by the japan amateur radio league and uses minimumshift keying in its packetbased standard. Most people relate icom with dstar as they have been the primary manufacturer of dstar equipment, however, they are just a manufacturer. Video interviewing software and assessments to help you gain an advantage by hiring the right talent. The dvtool application used with the dv dongle may be installed and run on microsoft windows xpvista, mac os x leopard, or many flavors of linux. The quality of the dstar voice signal is very similar to that of fm voice.
Of the 3 modes we are going to discuss, dstar is the oldest. If you tune to a dstar 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. Lets say in your area no one typically uses the 146. The main category is dstar software that is about dstar programs.
Was able to decode some dstar voice conversations using the new dsd version 1. A new version has just been announced that includes a dstar decoder you need to. How to upgrade strong decoder software with a usb flash. You also will need to be able to unlink and maybe use the echo test or check the dvap status. Memory downloads for a dvap with a dvap, you have to have your radio programmed to issue the link commands. Ham radio deluxe software radio amateurs best asset. If you have a icom id5100 radio you can import the csv file from the memory card. About nj6ns dstar chat the resource is currently listed in in a single category.
Rtlsdr rtl2832u and software defined radio news and projects. Software decoding it is possible to decode dstar gmskdatasignal using a computer running dstardecoder software. While this tutorial is aimed at the rtlsdr, other software radios such as the funcube dongle, airspy, hackrf and bladerf will also work. The open source software, stardv, was written by rick kd0oss of matrix circuits. 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, dstar and fusion. Nothing is preventing an sdr from transmitting the dstar protocol, other than the need to implement it as such. The dsd wiki has lots of additional information about dsd including build instructions and answers to the most frequently asked questions.
Since then star sat experience a rapid growth in technology and capacity. It is important to note that is was created for amateur radio. It supports text chatting, file transfers, position reporting and mapping, and much more. So, the dvap memories sections allows just that, enter. See all activity license gnu general public license version 2. It can connect to reflectors and gateways using either dplus or dextra. Integrated software for logging, rig control, digital modes, satellite.
Just uploaded new version of d star decoder to files section. Dstar also allows you to send data with programs such as drats, so there are reflectors dedicated to data. Decoding dstar voice audio with rtl sdr rtl2832 and dsd. It started off only being able to decode the dstar data, but not the voice portion. The first detroit area dstar rf repeater went live today, and i was able to catch a few seconds of a qso. You could theoretically run codec 2 over dstar, though id guess dstars data rate is well in excess of whats required by codec 2. Dv4mini ham radio digital hotspot c4fm, dmr and dstar. This article will help on how to set it up under windows and to decode digital voice modes with an inexpensive sdr dongle.
One of the things that distinguishes this software from other similar offerings is the ease of configuration. 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. Using a sample recording that mike rupprecht dk3wn has sent me, i have been able to decode the following packets. The software can optionally work with a gmsk modem to create a dstar compatible hotspot that also supports inshack qsos using a speakermike rather than a dstar ht. The winradio digital radio decoder provides a set of plugin applications capable of decoding multiple types of digital radio standards including dmrmototrbo, dpmr, nxdn, dstar and apco p25 phase 1 and phase 2 standards. Some of you may be familiar with the multi mode decoder package known as multipsk. To retrieve your new key, visit the following website to check for your replacement key. Virtual audio cable the next stage is to get the received digital signal into a decoding software. This article will help on how to set it up under windows and to. The remaining details about the protocol seem to be the same.
Third, dstar one omits the callsign field and its crc16, since this was a addon to the mobitexnx protocol done by the beesats. Software decoding of dstar wa8bro using rtlsdr youtube. The original inspiration for this program grew out of the idea of using dtmfcodes to control certain aspects of a dstar repeater. The built in dstar calculator gives you repeater and reflector information worldwide. Dv node for windows windv software nextgeneration implementation of a dstar hotspot application. The current release version of ham radio deluxe is v6. Sdrtrunk multichannel audio and control data decoder for usb software defined radio dongles and scanner audio output with decoder support for p25 phase 1 c4fmlsm simulcast, p25 phase 2, ltr, ltrnet, passport, mpt27, fleetsync ii, lojack, mdc1200 and tait gps protocols. Super cheap software defined radios such as the rtlsdr can be used to decode these digital voice communication signals instead of expensive radio scanners. This link is listed in our web site directory since sunday feb 24 2008, and till today nj6ns dstar chat has been followed for a total of 1823 times.
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