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Lowering the Noise Floor on HF with High Quality Coax
Bonito is a company that sells various products such as their own small active antennas. Some examples are the Bono-Whip (20kHz – 300 MHz), GigaActiv (9kHz – 3 GHz) and the MegaLoop (9kHz – 200 MHz)....
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Radio For Everyone New Posts: Line of Sight, Why USB Cable Quality Matters,...
Over on his radioforeveryone.com blog, author Akos has uploaded three new posts. The first post briefly explains visually what is meant by line of sight when it comes to radio signals. Essentially at...
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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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Setting up Propagation Triggered Spectrum Recording
Over on the SDRplay blog and forums OH2BUA has been sharing how he has set up ‘propagation triggered recording’ by continuously monitoring JT65/JT9 signals with his SDRplay. The idea is that you leave...
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An RTL-SDR ExtIO with Decimation and Tuner Bandwidth Controls
RTL-SDR experimenter Hayati Ayguen (hayguen on GitHub) has released a version of rtl_tcp and an ExtIO module that allows access to normally hidden tuner settings. The ExtIO allows you to manually set...
View ArticleHak5 at Shmoocon 2017: Shock Collar Radio Roulette, GNU Radio, Sniffing IR...
Over on YouTube the popular Hak5 channel has uploaded a video with several SDR related topics mentioned during Shmoocon 2017 conference. One fun event talked about in the video was the Shmoocon...
View ArticleA Tutorial on Receiving WSPR with an RTL-SDR V3
Over on YouTube user Veryokay has uploaded a video that shows how he uses the HF direct sampling mode on one of our V3 RTL-SDR’s to receive WSPR signals. WSPR (pronounced “Whisper”) is short for Weak...
View ArticleCamp++ YouTube Talk: GSM Signal Sniffing for Everyone with GR-GSM and Multi-RTL
Over on YouTube the channel Budapest Hackerspace has recently uploaded a talk by Piotr Krysik which was given during the August 2016 Camp++ 0x7e0 information security conference. The talk is titled:...
View ArticleA Multichannel FM Demodulator
A few days ago programmer Phil V wrote in and wanted to let us know about his tsl-sdr MultiFM software for the RTL-SDR. This is a Python based command line program which is somewhat similar to rtl_fm,...
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Radioforeveryone New Posts: PiAware Step-By-Step Guide and a Guide to Feeding...
Akos from the radioforeveryone.com blog has recently uploaded some new posts. The first post is a tutorial on setting up a PiAware server with an RTL-SDR. PiAware is the official ADS-B feeder software...
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Decoding DAB with an RTL-SDR and SDR-J On an Odroid C2
The Odroid C2 is a $40 USD single board computer with a 2 GHz ARM-A53 quad core CPU and 2GB of RAM. Compared to a Raspberry Pi 3 it is more powerful and costs almost the same. YouTube uploader radio...
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HDSDR Updated to Version 2.76
The popular HDSDR software has recently been updated to version 2.76. After a three year hiatus the HDSDR developer is back in action starting with the 2.75 update which was released in early January....
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Receiving GOES 16 Weather Satellite Images with the Open Satellite Project
Back in October/November of last year Lucas Teske showed us how to receive weather satellite images from the GOES line of geostationary satellites with an Airspy SDR (and possibly an RTL-SDR too), dish...
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Removing that Center Frequency DC Spike in Gnuradio the Easy Way
Recently RTL-SDR.com reader ghostop14 wrote in to us and wanted to share his GNU Radio block and tutorial that shows how to get rid of the DC spike in GNU Radio. The DC spike is the annoying spike in...
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A Tutorial on Using RTL-SDR with LabView: Creating a Simple FM Demodulator
LabView is a popular visual programming environment often used in industry and by engineers for test, automation and control applications. It is somewhat similar to GNU Radio in that programming is...
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RTL-SDR Waterfall on a C.H.I.P
The C.H.I.P is a $9 USD single board computer which is similar to a Raspberry Pi. It is powerful enough to run the RTL-SDR, and in fact the Outernet project use the C.H.I.P together with our V3 dongles...
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A Pre-Built Raspberry Pi Image for using an RTL-SDR as an APRS RX iGate
Keith Maton (G6NHU) wrote in and wanted to share his new ready to go APRS RX iGate image for the Raspberry Pi. APRS stands for “Amateur Packet Reporting System”, and is a type of packet radio...
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