Coole-Radar: A Retro Terminal Based Radar Display for ADS-B Aircraft Data
John Wiseman has been working on a cool old-school retro styled aircraft ADS-B radar that runs entirely within a terminal window. So no GUI desktop should be required. The project, called...
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Airspy 30% Off Black Friday Sale Coupon Now Active
Airspy have recently announced on Twitter that they are holding a 30% off Black Friday sale that runs from November 26 to December 2. The coupon is apparently valid from all their distributors which...
View ArticleDecoding Differential GPS (DGPS) with an RSPdx and MultiPSK
Over on YouTube the TechMinds channel has uploaded a new video about decoding Differential GPS (DGPS) using an SDRplay RSPdx SDR. DGPS is a terrestrially transmitted long wave signal that is used to...
View ArticleTysonpower Reviews A Cheap 15€ DAB/DAB+ USB Receiver Dongle that Generates an...
Thank you to Tysonpower who wanted to share his review of a cheap 15€ DAB/DAB+ receiver USB dongle that he found on eBay.de (we also found the same device on eBay.com for US$23.99). The device is not...
View ArticleSignalsEverywhere Reviews our RTL-SDR Blog L-Band Active Patch Antenna Kit
Over on the SignalsEverywhere YouTube channel Corrosive from the SignalsEverywhere channel has uploaded a review of our RTL-SDR Blog L-Band Active Patch antenna. Our patch antenna can be used for...
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Reverse Engineering and Controlling a Pan-Tilt Camera Servo with an RTL-SDR...
The ZIFON YT-500 is a pan-tilt tripod designed for mounting small cameras and smart phones. It also comes with an RF based 433 MHz wireless remote control that allows you to remotely control the...
View ArticleAstrophiz Podcast Interviews Steve Olney: Capturing the 2019 Vela Pulsar...
Back in May 2019 we posted about Steve Olney's HawkRAO amateur radio astronomy station which was the only station in the world to capture the 2019 Vela Pulsar "glitch" which he did so using his RTL-SDR...
View ArticleUsing a HackRF to Investigate Why WiFi on the Raspberry Pi 4 Doesn’t work...
The Raspberry Pi 4 launched with it's fair share of problems, but a new problem seems to have been recently discovered and documented. It turns out that the Pi 4's WiFi stops working when running at a...
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Solving a Frequency Hopping CTF Challenge with Aliasing
At this years BSides Ottawa security conference, Clayton Smith was tasked with setting up a wireless "Capture the Flag" (CTF) competition. CTF competitions generally consist of a mystery signal that...
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The Toosheh Project: An Outernet-like Service for Iran and the Middle East
If you've been following our blog over the years, you'll know that we've mentioned the "Outernet" (now known as "Othernet") service a few times. Othernet is a satellite service that wants to provide...
View ArticleTesting the SDRplay RSPdx in HDR Mode on NDB and Broadcast AM DX
One of the selling points of the recently released SDRplay RSPdx is it's special High Dynamic Range (HDR) mode which can be used to improve signal performance for frequencies below 2 MHz. This mode...
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A new VOR Decoder Written in Python
Thank you to Martin Bernardi for writing in and sharing with us his new VOR decoder that is written in Python. The program decodes VOR from a wav file, so any SDR such as an RTL-SDR can be used to...
View ArticleStarlink GRAVES Radar Reflections Received with SDR
Over on YouTube Jan de Jong who is based in Germany has posted a short slide show video showing that he received reflections of the GRAVES space radar from the new Starlink satellites. Starlink is a...
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Passive Doppler Aircraft Scatter with a VOR Beacon and an RTL-SDR
Over on YouTube Meine Videokasetten has posted a video showing how he's been using an RTL-SDR to detect aircraft landing and taking off via the scatter on a VOR beacon. VOR (aka VHF Omnidirectional...
View ArticleBuilding a FossaSat-1 LoRa IoT Ground Station
FossaSat-1 is a recently launched open source "picosatellite" with an onboard LoRa repeater designed for Internet of Things (IoT) communications. It was launched via the Electron Rocket in New Zealand...
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RTL-SDR and HackRF Used in Mr. Robot – A TV Drama About Hacking
A few readers have written in to let us know the role SDRs played in the last season of "Mr. Robot". The show which is available on Amazon Prime is about "Mr. Robot", a young cyber-security engineer by...
View ArticleTech Minds: LoRa Text Chat with Two Othernet Dreamcatcher Boards
Back in the middle of last year we posted about Othernet's Dreamcatcher hardware and the LoRa chat application. The Dreamcatcher is Othernet's receiver and computing platform that is designed for...
View ArticleSignalsEverywhere: The Ethics of Decoding and Sharing Private Information...
Over on the SignalsEverywhere YouTube Corrosive has uploaded a new video that addresses the ethics about decoding private information with SDRs. The radio spectrum is full of private communications...
View ArticleExperimenting with an Ultrasonic Sensor Connected to an Airspy HF+
Software defined radios can have many more applications other than just radio. For example, it's possible to connect an ultrasonic sensor which outputs a waveform at some frequency above DC directly to...
View ArticleReprogramming a €15 USB Audio Dial to work as an SDR VFO Knob
Thank you to Tysonpower (aka Manuel DO5TY) for submitting information about how he's managed to convert a cheap €14.33 USB audio control dial into a VFO tuning knob for use in SDR programs like...
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