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DeFli: A Decentralized Network of RTL-SDRs on the Blockchain for UAV and...
Recently we came across a new project called DeFli and DeSky, which appears to be plans for a decentralized network of RTL-SDRs. The goal of the project is to provide decentralized access to ADS-B and...
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Decoding the Mexican Seismic Alert System (SASMEX Alerta sísmica)
Back in 2015 we posted about the dsame software, which is a decoder for the American Emergency Alert System (EAS) which is encoded with the SAME (Specific Area Message Encoding) protocol. EAS transmits...
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Bouncing LoRa Signals off the Moon with a HackRF
One part of the amateur radio hobby is 'EME', or Earth-Moon-Earth. The idea is to bounce radio signals off the surface of the moon, and have them received over a vast distance. Typically weak signal...
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Building an OpenWebRX Server with an RTL-SDR Blog V3 for HF Monitoring
Thank you to Ramadhan (YD1RUH) who has put together a brief set of commands showing how to quickly get setup with OpenWebRX and an RTL-SDR Blog V3. OpenWebRX is a web based SDR program that allows...
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TechMinds: Receiving and Decoding Packets from the GreenCube Cubesat Digipeater
GreenCube is a CubeSat by the Sapienza University of Rome, and it is designed to demonstrate an autonomous biological laboratory for cultivating plants onboard a CubeSat. While this is an interesting...
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Video Demonstrating Hydrogen Line Detection with an RTL-SDR and WiFi Dish
Back in January 2020 we posted a tutorial showing how it's possible to detect and measure the galactic Hydrogen line using a simple 2.4 GHz WiFi dish, RTL-SDR Blog V3 and a filtered LNA. Since then...
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A Video Demonstration on Cracking a GSM Capture File
Over on YouTube Rob VK8FOES has been uploading some fairly comprehensive demonstrations and tutorials showing how to crack a GSM capture file which can be recorded with any SDR. It's well known now...
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Passive Radar Sensing via Ambient Radio Noise from the Sun and Jupiter
Recently Dr. Sean Peters from the Naval Postgraduate School, in Monterey, CA presented an interesting webinar titled "Leveraging Ambient Radio Noise for Passive Radar Sensing of the Terrestrial and...
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Reverse Engineering a Wirelessly Controlled Adjustable Bed with a HackRF and...
Over on his blog Chris Laplante has written up a post showing how he was able to reverse engineer his wirelessly controlled adjustable "TEMPUR-Contour Elite Breeze" bed. Originally the bed did have an...
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TechMinds: Detecting Meteors With Software Defined Radio
In his latest video Matt from the TechMinds YouTube channel has shown how it's possible to detect the RF echoes of meteors falling in the earths atmosphere which a software defined radio. The concept...
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OpenWebRX+ Updates: HFDL, ISM Band, FLEX, SELCALL decoders added
Back in March of this year we posted about an OpenWebRX fork called OpenWebRX+, which adds multiple built-in and ready to use decoders such as SSTV, AIS, CW and RTTY. OpenWebRX+ is a fork of the...
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Testing DAB Decoders: SDRAngel versus Welle.io
Thank you to the team from DXing.org for submitting their video where they compare the DAB decoding performance of SDRAngel and Welle.io using an RTL-SDR Blog V3 dongle. Digital Audio Broadcast (DAB)...
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Meteor M2-3 Now In Orbit and Transmitting Weather Images
Meteor-M satellites are Russian owned weather imaging satellites that are in polar orbit. They transmit images to earth in the LRPT format at 137 MHz, making them almost as easy to receive as the older...
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KrakenSDR Low Power FM Transmitter Hunt
If you weren't already aware, KrakenSDR is our 5-channel coherent radio based on RTL-SDRs, and it can be used for applications like radio direction finding. KrakenSDR is in stock and can be purchased...
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Saveitforparts: Receiving Images from the new Russian Satellite Meteor M2-3
A few days ago we posted about the successful launch and deployment of the latest Russian Meteor M2-3 weather satellite. The satellite is currently actively transmitting LRPT weather images. Over on...
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André shares his QO-100 Ground Station and HF/VHF/UHF Station
Thank you to RTL-SDR.com reader André for submitting and sharing with us his QO-100 ground station setup. The setup also includes antennas and equipment to receive HF and VHF/UHF. His setup can serve...
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Receiving Unintentional Voice Transmissions from GPS Satellites
Over on dereksgc's YouTube channel we've discovered a few more recent interesting videos from his satellite decoding series that people may be interested in. One from two weeks ago shows how it's...
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TechMinds: Detecting Bats with an Ultrasonic Sensor and Software Defined Radio
Back in 2018 we posted about someone who had combined an ultrasonic piezo speaker and an SDRPlay RSP1A in order to create a device that can detect the ultrasonic sonar sound from bats. Recently on...
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Goestools Now Ported to Run on Windows
Thank you to Carl Reinemann (aka USRadioGuy) for letting us know through his blog post that goestools has recently been ported to Windows. Goestools is a software package that is used to receive and...
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Fox Hunting with the KrakenSDR
Over on his YouTube channel Mark Jessop has uploaded some dash cam footage showing him using a KrakenSDR and a custom LED display to hunt down three amateur radio transmitters during a fox-hunt. An...
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