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LimeSDR Transmitting Voice and Data with SDRAngel
Over on the LimeSDR facebook group Marty Wittrock (KN0CK) has been experimenting with his LimeSDR and SDRAngel. SDRAngel is a general purpose SDR program similar to SDR#/HDSDR/SDR-Console etc, but with...
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Akos’ ADS-B Performance Comparison of 19 Different RTL-SDR Dongles
Over on his blog radioforeveryone.com author Akos has run a large comparative test of 19 different types and brands of RTL-SDR dongles on ADS-B reception. He takes multiple dongles from NooElecs...
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dopplerscript: Getting Doppler Updates from GPredict into GNU Radio
Thanks to Dave for submitting news of his recent release of his Python script called dopplerscript. This is a tool that can help people automate the reception and decoding of the Meteor M2 weather...
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Tracking Wildlife with TDOA Direction Finding and RTL-SDR Dongles
At the North-West University in South Africa Masters student SW Krüger submitted his dissertation titled “An inexpensive hyperbolic positioning system for tracking wildlife using off-the-shelf...
View Article(Almost) Receiving HRPT with the ADALM-PLUTO and a WiFi Grid Antenna
Over on YouTube user Tysonpower has uploaded a video showing how he was (almost) able to receive the HRPT signal from NOAA18 with an ADALM-PLUTO, LNA4ALL and a WiFi grid antenna. Most readers will be...
View ArticleADALM-Pluto 2-tone Test at 144 MHz
Over on his YouTube channel Adam 9A4QV has been testing his ADALM-PLUTO SDR in the 2M ham band at around 144 MHz. In one of his videos he shows a 2-tone test. A 2-tone test is used to determine how...
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Nongles.com N3 RTL-SDR Available in our Store
Late last year the ThumbNet team announced their custom RTL-SDR dongle which they named the “Nongles N3”. This is a standard R820T2 RTL-SDR, but with some interesting additional features. Some of the...
View Article3D Printing a V-Dipole Bracket
Over on his YouTube channel user Tysonpower has uploaded a video that shows how to make a V-Dipole antenna. Back in March we posted about the V-Dipole which Adam 9A4QV first described. A V-Dipole is a...
View ArticleDecoding the ALERT Protocol from a USGS Streamgage with an RTL-SDR
Over on his YouTube channel GusGorman402 has uploaded a video that shows how he was able to capture and decode data from a USGS (United States Geological Service) streamgage. A streamgage is a sensor...
View ArticleMonitoring Train Railway Lines with an RTL-SDR and ATCS Monitor
Back in June Gus Gorman showed us via a YouTube tutorial and demo on how to monitor ATSC (Advanced Train Control System) signals from trains. ATSC is found in the USA and is used for things like...
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deinvert: A Voice Inversion Descrambler
Voice inversion scrambling is a simple and old security method used on analog radios to try and obscure conversations from being listened in on by people with scanners. It works simply by by moving the...
View ArticleA “Ham Radio Go Box” with RTL-SDR, Solar, Bluetooth Speaker, Touchscreen and...
Over on YouTube user Fuzz has uploaded a short video showing his “Ham Radio Go Box”. This is a plastic box containing inside many pieces of mounted equipment, all hooked up and ready to go. Inside he...
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Outernet SDRx Clearance Sale $15: RTL-SDR with built in L-band LNA and Filter
Recently the Outernet project transitioned from using RTL-SDR dongles and C.H.I.P single board computers to using their Dreamcatcher board, which is an RTL-SDR and computing board all in one. In...
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Salamandra: A modern study of microphone bugs operation and detection with an...
A couple of weeks ago we posted about Salamandra, an RTL-SDR compatible piece of software which can be used to help detect and locate microphone bugs that are used for spying. Recently we discovered...
View ArticleSDR on an Android Wristwatch with Airspy HF+ and SpyServer
Over on Twitter @lambdaprog and @mm6dos, developers of SDR# and Airspy SDR products have tweeted videos showing off an Android watch being used as an SDR interface. They use a prototype of their...
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A Solar Powered Raspberry Pi + RTL-SDR NOAA Weather Satellite Receiver
Over on YouTube user Fuzz has uploaded a video showing his solar powered NOAA weather satellite receiver. The system is based on a Raspberry Pi connected to an RTL-SDR.com dongle. The front-end input...
View ArticleOnline 101 Course on RTL-SDR, DSP and MATLAB Starting Soon
Thanks to Juan Moreno for letting us know that his online MOOC (massive open online course) on RTL-SDR is starting on September 25. The course is presented by Juan and three of his colleagues from the...
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ARRL QST Review of the SDRplay RSP2Pro with Independent Lab Measurements
In the latest version of the ARRL QST magazine editor Steve Ford (WB8IMY) has released a comprehensive review and set of measurements for the SDRplay RSP2 / RSP2Pro. The review is also freely available...
View ArticleOpening a Car and Garage Door With PlutoSDR
Over on his YouTube channel Tysonpower (aka Manuel) has uploaded a video showing how he was able to use his PlutoSDR to perform some simple replay attacks that open his garage and car doors. To do this...
View ArticleUsing the SDRuno EXTIO Edition with an RTL-SDR and other SDRs
Over on YouTube Mike from the SDRplay team has created a tutorial video that shows how to use the SDRuno EXTIO edition. SDRuno is the official software of the SDRplay line of products and can be freely...
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