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Helping to Raise Funds for the Canadian Centre for Experimental Radio...
Patchvonbraun (aka Marcus Leech) is one of the pioneers in using low cost SDR dongles for amateur radio astronomy experiments. In the past he’s shown us how to receive things like the hydrogen line,...
View ArticleTwo Videos That Show How To Set Up An Outernet Receiver
Outernet is a relatively new satellite based file delivery service which can be received with an RTL-SDR dongle. They continuously send out useful data like weather reports, news, APRS data as well as...
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Reverse Engineering and Reading Data from a Wireless Temperature Meter:...
On GitHub user spenmcgee has uploaded a write up and Python software that decodes data from a Lacross TX29 wireless temperature meter. Spenmcgee’s write up goes into excellent detail about how he...
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FlightAware Prostick vs FlightAware Prostick Plus: Review
Recently the FlightAware Prostick Plus was released. The Prostick is a modified RTL-SDR with a LNA built into the dongle. It is optimized for ADS-B reception and works very well due to the low noise...
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Reverse Engineering Traffic Lights with an RTL-SDR Part 2
Back in September 2015 we made a post about how Bastian Bloessl was able to use his RTL-SDR dongle to reverse engineer and decode the signals coming from portable wirelessly synchronized traffic lights...
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Building a Homemade FM Repeater with a Raspberry Pi, Rpitx and RTL-SDR Dongle
A radio repeater is usually a radio tower that receives weak signals from handheld, desktop or other radio, and rebroadcasts the same signal at a higher power over a wide area at a different frequency....
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Wireless Analysis of 868 MHz Traffic with an RTL-SDR and the Traffic...
The Fraunhofer Institute for Integrated Circuits IIS has developed an Android app that allows you to analyze wireless traffic at 868 MHz using an RTL-SDR dongle. In Europe, many wireless IOT, metering...
View ArticleA Cooking Pot L-Band Antenna
Over on YouTube Adam 9A4QV has uploaded a video showing us his home made cooking pot L-band antenna. The antenna consists of a large aluminum cooking pot which acts as a reflector and a cross-dipole...
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Analyzing HF Over the Horizon Radar in GNU Radio
Over the Horizon radar is typically used at HF frequencies and is used to detect targets from hundreds to thousands of kilometers away from the radar station. On HF they are very common and can be...
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Simulating GPS with LimeSDR and Receiving it with an RTL-SDR
In previous posts we showed how Phillip Hahn had been trying to use his RTL-SDR as a GPS receiver on a high powered rocket in order to overcome the COCOM limits which prevent commercial GPS devices...
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A Guide to Using RPiTX and an RTL-SDR to Reverse Engineer and Control ASK/OOK...
Erhard E. has been experimenting with capturing, analyzing, reverse engineering and then transmitting new ASK/OOK signals with his RTL-SDR and Raspberry Pi running RPiTX. Erhard has written a very...
View ArticleOuternet Patch Antenna Pan-Tilt Servo
Over on YouTube user Tomi Simola has uploaded a video showing his servo based Outernet satellite antenna tracker. Outernet uses L-band geostationary satellites which means that they are at a fixed...
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The PandwaRF RF Analysis Tool
Recently we heard about the PandwaRF Portable Analyzer (previously known as the GollumRF). This is not an SDR, but can probably be described as a programmable and computer controlled radio. It appears...
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Ships: New RTL-SDR Compatible Android App for AIS Reception and Plotting
Today an Android app programmer sent a message to let us know about his new open source RTL-SDR compatible AIS app called Ships. This is a free app that allows you to decode AIS signals, and plot them...
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Testing a Prototype of the SDRx: A Custom Outernet L-Band RTL-SDR
Recently the Outernet team sent us a prototype of their L-Band tuned RTL-SDR which is called the SDRx for testing. This is an RTL-SDR with RTL2832U and R820T2 chips together with an L-band LNA and...
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WaveConverter: An Open Source RF Reverse Engineering Tool
During the Schmoocon 2017 conference presenter Paul Clark introduced a new open source Linux tool called WaveConverter which he’s been working on for reverse engineering RF signals. Paul writes:...
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Hacking a Danfoss Wireless Thermostat with an RTL-SDR
Over on his blog Andy writes how he wanted a smart way to control his central heating system with a Raspberry Pi and Arduino microcontroller. He discovered that if he could reverse engineer his...
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Radio For Everyone New Posts: Building an ADS-B Station, Easy Homemade...
Akos the author of the radioforeveryone.com blog has recently added two new articles to his blog. The first post is a comprehensive guide to setting up your own ADS-B station. The guide focuses on...
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CNxROOT Two Posts: How to Build an RTL-SDR Server with OpenWRT, Creating a...
Recently security researcher cnxroot wrote in to let us know about two of his posts that may be of interest to readers. The posts are written in Chinese, so please use Google Translate to read them in...
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rtlmic: Wireless Microphone Receiver for RTL-SDR
Over on GitHub a new program called rtlmic has recently been uploaded. The program descriptions reads: rtlmic is a multichannel FM microphone receiver/demodulator for RTL-SDR cards. It outputs...
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