Clik here to view.
Building an RF Direction Finding Robot with an RTL-SDR
Over on Hackaday.io, project logger Humpelstilzchen has been writing about his attempts to create an autonomous RF direction finding robot RC car with an RTL-SDR. The goal is to set up an ISM band...
View ArticleGQRX and gr-osmosdr now with support for SpyServer
Thanks to the work of Lucas Teske, GQRX is now able to connect to SpyServer servers. SpyServer is the IQ streaming server software solution developed by the Airspy SDR developers. It can support Airspy...
View ArticleClik here to view.
Tracking Police and Military Aircraft at the G7 Summit with an RTL-SDR
Back in early 2016 we posted about a journalist who used an RTL-SDR to gather ADS-B data about the type of aircraft used at the world economic forum in Davos. The idea was to help highlight the vast...
View ArticleClik here to view.
Building A Giant $200 3D Corner Reflector Antenna for GOES, Moon Bounce and...
A corner reflector antenna is basically a monopole antenna with a metallic 'corner' reflector placed behind it. The reflector helps the monopole collect signals over a wider aperture resulting in...
View ArticleClik here to view.
Locating Various HF Transmitters and Number Stations with KiwiSDRs
If you weren't already aware, the KiwiSDR is a US$299 HF SDR that can monitor the entire 0 - 30 MHz band at once. It is designed to be web-based and shared, meaning that the KiwiSDR owner, or anyone...
View ArticleClik here to view.
Using an SDRplay RSP2 to Measure IMD
Over on YouTube channel Rate My Radio has uploaded a set of three videos showing how to use an SDRplay RSP2 as a low cost spectrum analyzer to measure the inter modulation distortion (IMD) performance...
View ArticleClik here to view.
New RTL-SDR Frequency Heatmap Generator Plugin for SDR#
Thanks to VE3NEA for letting us know about his new RTL-SDR compatible heatmap generator plugin for SDR#. To use the plugin you first need to generate some heatmap CSV data by using the rtl_power...
View ArticleClik here to view.
Video on Hacking 433 MHz Devices with an RTL-SDR and Raspberry Pi
Over on YouTube user Andreas Spiess has uploaded a video showing how to use an RTL-SDR to reverse engineer 433 MHz ISM band devices such as Internet of Things (IoT)/home automation sensors and...
View ArticleNew GNU Radio Block for Decoding Meteor M2 Images
Thank you to Reiichiro Nakano for submitting news about his work on converting the Pascal based meteor_decoder software into a C++ GNU Radio block. meteor_decoder is a decoder for the Meteor M2 weather...
View ArticleClik here to view.
KiwiSDR TDoA Direction Finding Now Freely Available for Public Use
A few weeks ago we posted about some experimental work going on with Time Difference of Arrival (TDoA) direction finding techniques on KiwiSDR units. The idea is that public KiwiSDRs distributed around...
View ArticleClik here to view.
New TETRA Trunk Tracker for use with SDR# and the TETRA Demodulator Plugin
Over on our forums user thewraith2008 has just released news about his new software called TETRA Trunk Tracker. The software works in conjunction with the TETRA demodulator plugin for SDR#. It works by...
View ArticleClik here to view.
RS41 RadioSonde Tracking Software
A radiosonde is a small weather sensor package that is typically attached to a weather balloon. As it rises into the atmosphere it measures parameters such as temperature, humidity, pressure, GPS...
View ArticleClik here to view.
Video Tutorial About Decoding 433 MHz ISM Devices with rtl_433
Over on his YouTube channel Tech Minds has recently uploaded a video that demonstrates and shows how to use the rtl_433 software with an RTL-SDR to decode 433 MHz ISM band low power devices. Typically...
View ArticleClik here to view.
Using a HackRF to Spoof GPS Navigation in Cars and Divert Drivers
Researchers at Virginia Tech, the University of Electronic Science and Technology of China and Microsoft recently released a paper discussing how they were able to perform a GPS spoofing attack that...
View ArticleClik here to view.
Detecting The Sound of Bats with a Piezo Speaker and SDRplay RSP1A
Over on YouTube user Jan de Jong has uploaded a few screenshots and sounds on a video which shows that he was able to receive the ultrasonic sound of bats by connecting a small piezo speaker to an...
View ArticleClik here to view.
Tutorial on Setting up OP25 for P25 Phase 2 Digital Voice Decoding
Most police departments is the USA have now upgraded or are in the process of upgrading their radio systems to P25 Phase 2 digital radio. The frequencies can easily be received with an RTL-SDR, but a...
View ArticleVideo Tutorial on Receiving ISS Astronaut Amateur Radio Conversations with...
Over on his YouTube channel Crazy Danish Hacker has posted a new video that shows how to pick up amateur radio voice signals from the International Space Station (ISS). Often astronauts on the ISS will...
View ArticleArchiving Shortwave History with Software Defined Radio
Broadcast shortwave radio is not always archived for long at the station, so finding sound bites from interesting historical events can be difficult. We know that songs are of course recorded, but talk...
View ArticleClik here to view.
PlutoWeb: Custom firmware for the PlutoSDR that enables you to Run OpenWebRX,...
GitHub user unixpunk has been working on a custom firmware image for the PlutoSDR called 'PlutoWeb' (more info available on their website as well). The firmware allows you to run a web interface on the...
View ArticleClik here to view.
Understanding Direction Finding on the KiwiSDR
Earlier this month we posted about the KiwiSDR direction finding update, which now allows anyone with internet access to utilize public KiwiSDR's for the purpose of pinpointing the physical location of...
View Article