Modded SUP-2400 Downconverters now Available at RXTXDX.com for $25
Last week we posted about KD0CQ’s interest check on his ready to go modded SUP-2400 downconverter. Interest was strong so the unit is now available for sale on a store he’s just set up at RXTXDX.com....
View ArticleRunning the PiAware ADS-B Decoder on a $9 C.H.I.P Computer
Over on his blog Adam Melton has created a post that fully details how to install FlightAware’s PiAware ADS-B feeder software on a $9 C.H.I.P single board PC. The C.H.I.P is a very small board with...
View ArticleReceiving the Bitcoin Blockchain from Satellites with an RTL-SDR
Bitcoin is the worlds first and most popular digital currency. It is steadily gaining in value and popularity and is already accepted in many online stores as a payment method. In order to use Bitcoin...
View ArticleSDR Academy Talks: RPiTX TX for the Masses, Transmitter Localization with...
Over on YouTube the Software Defined Radio Academy channel has uploaded some new interesting SDR related conference talks, some of which may be of interest to readers. Some of our favorites are posted...
View ArticleUsing the GRAVES Radar to Listen to Reflections from Meteors, Planes and...
Over on his blog DK8OK has created a post that explains how European SDR users can use their devices to monitor reflections coming off the Graves space radar. Graves is a space surveillance radar based...
View ArticleRTL-SDR V3 Amazon Back in Stock + A Preview of our Upcoming Multipurpose...
The RTL-SDR Blog V3 is back in stock in Amazon USA (Dongle + Antenna) (Dongle Only). International buyers can continue to purchase units from our store at www.rtl-sdr.com/store. Apologies for the long...
View ArticleSalamandra: Detecting and Locating Spy Microphones with an RTL-SDR
Over on GitHub user eldraco has uploaded an RTL-SDR compatible python script for detecting and locating eavesdropping spy microphones (bugs) within a closed environment. The Python script can be run...
View ArticlePoor Mans Spectrum Analyzer with an RTL-SDR and Noise Source
Over on YouTube channel Bootstrap Workbench has been running a series on using an RTL-SDR and noise source to create a poor man’s spectrum analyzer. So far he has three videos available. The first...
View ArticleAkos’ 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...
View Articledopplerscript: 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...
View ArticleTracking 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 ArticleNongles.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...
View Articledeinvert: 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...
View ArticleOuternet 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...
View ArticleSalamandra: 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...
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