Decoding Amateur Radio Digital Voice with an RTL-SDR and the QRadioLink...
Thank you to Adrian for submitting his video about using the Android App called QRadioLink and an RTL-SDR to decode digital amateur radio voice transmissions. Adrian writes that in the video the...
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LimeSDR Mini Crowdfunding: $99 Early Bird RX/TX, 12-Bit, 10 MHz – 3.5 GHz SDR
Back in June 2016 the first LimeSDR crowdfunding campaign completed raising over a million dollars in pre-orders at a cost of $249 – $299 per LimeSDR unit. THe LimeSDR is a RX and TX capable SDR with a...
View ArticleGNURadioCon17 CyberSpectrum Special Meetup Now Live
Live right now is CyberSpectrum #22, currently being held at the GNU Radio Convention in San Diego. Cyberspectrum is an often monthly meetup where SDR enthusiasts come from around the world to share...
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PantronX Titus II Ready for Production
Since September 2016 we’ve been slowly hearing news about the PantronX Titus II portable SDR system, but as of yet nothing seems to have eventuated. The Titus II is essentially an Android touch screen...
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LocalRadio: A new RTL-SDR App for MacOS
Thanks to Doug Ward (@dsward) for letting us know about his new RTL-SDR compatible MacOS based app called LocalRadio. LocalRadio is an open source web browser based app that connects to a MacOS server...
View ArticleiqToSharp: Convert rtl_sdr IQ files to SDR# Format
Thanks to Marcin Jakubowski for submitting news about his new software tool called iqToSharp which is a simple tool that allows you to convert rtl_sdr IQ files into the SDR# IQ format. The rtl_sdr...
View ArticleLimeSDR and SDRAngel Running on a LattePanda
Thanks to Marty Wittrock for sharing with us his latest news about his experiences with the LimeSDR. Over on YouTube he’s uploaded a video showing that the LimeSDR can run perfectly on a ‘LattePanda‘...
View ArticleTransmitting DVB-S with a PlutoSDR and Receiving it with an RTL-SDR
Over on YouTube Christopher Bridges has uploaded a video showing him using a PlutoSDR and a GNU Radio program to transmit a DVB-S signal, which is then received with an RTL-SDR. DVB-S is a digital...
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Using a TV Antenna Tap as a Directional Coupler for Antenna Measurements with...
Over on his blog Tomi Engdahl has been exploring his options for measuring the VSWR of antennas with an RTL-SDR. As discussed in one of our previous tutorials, by using an RTL-SDR, noise source and...
View ArticleLimeSDR Transmitting on the LattePanda
Just last week we posted about how Marty Wittrock was able to get his LimeSDR receiving perfectly on his LattePanda mini Windows 10 PC with SDRAngel. Now Marty has uploaded a new video which shows the...
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Decrambling Split-Band Voice Inversion with the Deinvert Tool
In early September we posted about Oona Räisänen’s deinvert which is a tool that can be used to unscramble voice audio that has had voice inversion scrambling applied to it. Voice inversion works by...
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EOD Robots now packing USRP and HackRF Software Defined Radios
Thanks to Sergey Popox of Robotics company Servosila for sharing the following press release with us which describes how their new EOD robot makes use of SDR technologies for electronic warfare. We...
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Using our new Dipole Antenna Kit
Over on our store we’ve recently released our new dipole antenna kit which now replaces the older magnetic whip style antennas from the previous kit. This was done for a few reasons including 1) We...
View ArticleComparing SSB, NFM, Codec2 and Opus with QRadioLink and an RTL-SDR
Earlier in the month we posted about Adrian M’s video that showed his QRadioLink software running on Android with an RTL-SDR. QRadioLink is a digital amateur radio voice decoder and encoder, that...
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Gospell GR-227: New SDR Based Digital Broadcast Radio Adapter for Cars
Over on the SWLing Post blog we’ve seen news of this new SDR based car radio called the Gospell GR-227. Gospell is a Chinese manufacturer of various broadcast consumer radio products including DRM...
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Localizing Transmitters to within a few meters with TDOA and RTL-SDR Dongles
Back in August we posted a number of videos from the Software Defined Radio Academy talks held this year in Friedrichshafen, Germany. One of those talks was by Stefan Scholl, DC9ST and titled...
View ArticleVisualizing the Traveled Path of a Weather Balloon, Tanker Boat and Gliders...
Over on YouTube user pascal poulain has uploaded a short video that shows a timelapse of the flight path of a weather balloon in Cesiumjs as it rises and falls, as well as a time lapse of a marine...
View ArticleShowing what VOR and ILS Aviation Signals Look like in SDR#
Over on YouTube user RedWhiteandPew has uploaded two videos showing what VOR and ILS signals look like in SDR# with an RTL-SDR dongle. VOR and ILS are both radio signals used for navigation in...
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Tuning an HF Antenna with an Airspy, SWR-Bridge and Noise Source
Over on his blog Anders J. Ørts has created a good writeup showing how he used the combination of an Airspy SDR with SpyVerter upconverter, SWR-Bridge and a noise source to tune his HF dipole for the...
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Reviewing the PandwaRF: CC1111 Based Transceiver for RF Security Analysis
The PandwaRF The PandwaRF (formerly known as GollumRF) is an RF analysis transceiver tool that can be very useful for investigating ISM band devices that communicate with digitally modulated RF...
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