Freedv flex radio software

Free dv digital voice software for ham radio email this blogthis. Flex flex 1500 and 3000 use the same mic jack as yaesu rj45 radios yaesu rj45 modular. If powersdr says you need to update the radios firmware, then download this firmware v1. Freedv is unique as it uses 100% open source software, including the speech codec.

All you need is a pc and 2x sound cards and your away. Summary of flex6000 capabilities multiple receivers work multiple bands andor multiple modes simultaneously variable filters set to 4. The signal is received by an ssb radio, then demodulated and decoded by freedv. In fact you can run conventional thick client sdr software such as hdsdr or even powersdr or rocky. Furthermore, there are waveforms from flexradio systems for. For example, the above photo shows a rpi sstv setup in project 17. Tx capabilities, iq sample correction, dual soundcard support. Spectrum regrowth from imd is easily seen in the flex waterfall also. Free, secure and fast ham radio software downloads from the largest open source applications and software directory. Freedv is open source software, released under the gnu public license version 2. My software defined radio satellite station using a flex 6600. Amateur radio is transitioning from analog to digital, much as it transitioned from am. Flex and other sdrs may use a virtual com port pair. Matt vk5zm talking to using the sm on an ic 706 from is home qth under supervision of david vk5dgr.

Fm repeater ondersteuning, instelbare shifts, simplex en ctcss toon. With this operating system, a person may tune shortwave broadcasts, amateur radio, aeronautical, maritime, or other signals received at remote servers around the world. Freedv waveform how to guide description package info attached files the freedv waveform howto guide describes the basic operation of the freedv fdv mode based on codec2 that can be added to any flex6000 signature series software defined radio. Skywave linux is a 64 bit live system providing installed and configured software for accessing software defined radio servers locally and on the internet. After researching technical information and forums for every radio out there, i am very happy to report that i purchased the flex 6500. Here is a current list with links for the smartsdr software which i know of. The freedv waveform installer adds the freedv mode to flex6000. Flexradio flexradio systems announces the immediate availability of smartsdr v1. Freedv hf digital voice for radio amateurs how linux is built. Let me say that freedv technically is the right direction for digital voice to go, i. Runs on gnu radio, intuitive ui, easy to use, good performance, stable uses qt.

Decoding and encoding done at this end of the link done. The freedv waveform installer adds the freedv mode to flex6000 signature series sdrs freedv is a free, open source, digital voice communications system for hf amateur radio, which uses the codec2 low bit rate vocoder voice coder decoder developed by david rowe, vk5dgr. We are distributor of software defined radio s from flexradio systems software defined radio systems are taking over the place of conventional radio. For example, there is a waveform for freedv available. The radio setup and software install was pretty straightforward.

Lane ve7ihl has provided instructions how to set up cw skimmer with the elecraft kx3 radio using its wideband iq output. I plan to try freedv in the near future and i am planning a blog post to. There is a growing competition in the market which is always a driving factor for any technology. Zl2afps software has been modified by wa6nut for compatibility with freedv. The amateur radio experimenters group is proud to announce a new event on the amateur radio calendar. Stations currently setup for any digital mode, psk, rtty, sstv, etc. Firmware updates to the flex1500, 3000, and 5000 radios for band region. Freedv is a hf digital voice program for windows and linux utilizing an fdm modem and an open source low bit rate codec. Setting up digital mode software on the flex6000 series radios doug reece ak4ao version 1.

Once installed, the ability to transmit and receive using freedvcodec2 is added to the flex6000 radio, and a new mode button named fdv appears alongside usb, lsb, fm, etc. It may be installed in any flex6000 signature series radio by using the instructions below. This is an evolutionary process where radios from flex radio systems play a leading role. A freedv signal only occupies one half the bandwidth of a normal ssb signal. Radio capabilities can change with software releases, resulting in a new learning curve both radio and computer software can be subject to software glitches and bugs. Basically freedv uses an audio codec a piece of software that encodes and decodes audio like mp3s use as a software based modem to decode and encode the voice and text data from your computer. Think of the waveform api as a way do design more signals, modes, and other rf into flexs smartsdr. Transverter support, dual rx and wider bandscope bandwidth support are just a few big changes. One example is this fantastic freedv getting started video produced by tony, k2mo. When a higherperformance pc is available, the video tx, freedv, and video rx software are installed on the same pc as shown in the diagram below. Frequently asked questions regarding freedv plus video. For detailed instructions, see the detailed document. I have a few code plugs for the md380 one just for hotspots and one that has all the ohio repeaters.

Messages are generally free format and also have a 32bit message number so that they may be trapped by the client and displayed differently if appropriate. The input level from the radio to freedv input should be set so the waterfall is blue white indicates level is too high and the level bubble will flash a warning. Posts about software defined radio written by fkemmerer and akemmerer1. Software for digital voice category is a curation of 4 web resources on, freedv plus video, codec 2, freedv.

To my surprise, i got a quick answer from walter, k5wh, in houston tx. Freedv is a free, open source, digital voice communications system for hf amateur radio, which uses the codec2 low bit rate vocoder voice coder decoder developed by david rowe, vk5dgr. These project were completed by david haworth, wa9ony. Aug 20, 2014 new software defined radio sdrs products are popping up every few months these days so we thought wed compile a big list of available sdrs as there are a few people who were bitten by the rtlsdr bug and are now looking to upgrade. Alternatively you can buy a sm freedv adaptor that allows you to run freedv 1600 and 700d modes on any hf radio without a pc or sound card. Freedv where amateur radio is driving the state of the art. This folders contains information about thirdparty software and drivers with powersdr such as vac, vcom, com0com and the griffin powermate just to name a few. For each sdr we compare the cost, frequency range, adc resolution, maximum instantaneous bandwidth, whether or not it can tx and if it has any pre selectors. Logging software, digital mode programs downloadinstall fldigi, freedv, sigmira, digipan, cw skimmer, hrd, multipsk if you want to try digital modes of hf communication cw,rtty,psk, etc.

Part 1, how to setup digital modes for flex radio systems, sdr software defined radios flex 5000 and sdr. I am curious why this software doesnt have an ident button and a website that posts your call and frequency when you identify ident. Its an opportunity to prevent ham radio and digital voice over radio in general being locked down to proprietary codecs. Free, secure and fast windows ham radio software downloads from the largest open. Flex 6400 signature series sdr transceiver w automatic antenna tuner. Freedv was built by an international team of radio amateurs working together on coding, design, user interface and testing. Freedv is unique as it uses 100% open source software, including the. For more details and to download the free software click here.

I guess we need a spectrum mask for freedv like commerical drm and dv broadcasters use. Codec 2 is currently used in several radios and software defined radio systems. Flex6400 signature series sdr transceiver w automatic antenna tuner. After installing the edirol driver, the flexradio driver, and the power sdr software, i was able to start the software for the radio. The freedv waveform installer adds the freedv mode to flex 6000 signature series sdrs freedv is a free, open source, digital voice communications system for hf amateur radio, which uses the codec2 low bit rate vocoder voice coder decoder developed by david rowe, vk5dgr.

Freedv, the new hf digital audio program for radio amateurs. Free dv digital voice software for ham radio duration. Digital mode interface is built in to flex software. Compatible with ssb radios, freedv provides communications voice audio occupying less than half the bandwidth of conventional ssb. A manufacturer of advanced software defined radio products for the amateur radio, government and commercial markets. Smartsdrdsp contains the source code for a wrapper, as well as an implemented example of a modem for any signal processing block that could be attached to a smartsdr radio. This is an example of freedv using codec 2 incorporated in the waveforms feature of the flex 6300. Gnu radio toolkit everything linux, osx,win unsupported, but said to work, see ettus research site free, gnugpl. Setting up digital mode software on the flex 6000 series. A separate web page, rpi computer projects, demonstrates how to use the rpi computer for general purpose computing. May 30, 2018 the signal is received by an ssb radio, then demodulated and decoded by freedv. You can run freedv using a free gui application for windows, linux and osx that allows any ssb radio to be used for low bit rate digital voice.

Rtty and other digital modes use 3rd party software over dax channels. The aim is to encourage as many radio amateurs as possible to learn about freedv and encourage as many freedv signals to be on the air as possible to help spread the word about this new mode. You could enter your own fcy so it doesnt even have to read the radio. Messages from the radio can be emitted to the client to let the client know about various status changes, alarms, etc. I also feel a sense of importance in our work freedv is the only open source digital voice system for amateur radio. Interference on hf digital voice page 2 qrz forums. The other problem that i had at first, was figuring out where the three sets of wires went between the edirol sound card, the flex, and the computer. May 03, 2017 in fact you can run conventional thick client sdr software such as hdsdr or even powersdr or rocky. The data is encoded and then is transmitted over the hf radio using af signals that can then in turn be decoded by the receiving station. Wa9ony amateur ham radio raspberry pi computer projects.

Freedv waveform how to guide description package info attached files the freedv waveform howto guide describes the basic operation of the freedv fdv mode based on codec2 that can be added to any flex 6000 signature series software defined radio. Aug 18, 2015 im giving an sdr talk in a few weeks, and i thought i should try out some new to me stuff. Freedv for windows will execute and run on any current home pc or laptop with a dual core or higher intelamd cpu. You might want to set up and operate with digital voice first before adding video. The program is easy to download, setup, and it works great. The freedv waveform howto guide describes the basic operation of the freedv fdv mode based on codec2 that can be added to any flex6000 signature series software defined radio. Virtual audio cables vac commonly used with sdr radios are compatible with the freedv software. You can also write waveforms which take the raw radio data and demodulate it and present it as a mode. Freedv wave form and application voice over digital mode. Radi f6gnz has provided instructions how to use cw skimmer with other software.

Compare the best free open source windows ham radio software at sourceforge. Compare the best free open source ham radio software at sourceforge. Dec 10, 2012 freedv, the new hf digital audio program for radio amateurs. These are projects using the raspberry pi rpi computer and amateur ham radio. Free, secure and fast windows ham radio software downloads from the largest open source applications and software directory. My flex 6500 supports freedv as a builtin waveform app with some help from the windows pc. But there are nobody who try this mode at this moment. It combines digitalvoice with low resolution 36 lines, low frame rate 1 fps video. It uses freedv digital voice software by vk5dgr and video software by zl2afp. All in lsb, not usb thats where the flex comes into trouble. Setting up digital mode software on the flex 6000 series radios. It is a near zeroif quadrature software defined radio sdr. The entire uninstall command line for smartsdr freedv waveform 1.

With a software defined radio, it is the software powersdr that directly interacts with the sound card based digital mode program, so the primary concern is how do i get the audio from powersdr. It is lsb or usb, depending on the band you are using, with digitized. How may db should the shoulders be down with freedv. Most flexible software radio toolbox available outside of closed source. Aug 15, 2008 this folders contains information about thirdparty software and drivers with powersdr such as vac, vcom, com0com and the griffin powermate just to name a few. With a software defined radio, it is the software powersdr that directly interacts with the sound card based digital mode program, so the primary concern is how do i get the audio from powersdr to the digital mode program that is running on the same computer. It is lsb or usb, depending on the band you are using, with digitized audio fed to the microphone input. Freedv represents a path for 21st century amateur radio where hams are free to experiment and innovate, rather than a future locked into a single manufacturers closed technology. Freedv is a hf digital voice program for windows, linux and apple utilizing an fdm modem and the open source low bit rate codec2. The rigblaster advantage has been designed with you, the digitalmode.

Dependent upon your hardware interface and radio, ptt rig control may be configured for vox, hamlib or a serial port. Be prepared and able to communicate in case of emergency with the largest selection at. Flexradio systems engineering operating digital modes with sound card based software using a flexradio radio sdr is a little different than using a traditional analog transceiver. The implemented example uses the codec2 digital voice coder and freedv hf modem developed and released by david rowe. Hardware alc for amplifier protection is not recommended with flexradio sdrs.