On December 16 Rocket Lab launched 13 new cubesats into orbit via it's Electron rocket which was launched from New Zealand. One of those Cubesats is "CubeSail" which is a set of two satellites that aims to deploy a 260...

Over on YouTube user knoxieman has uploaded a video that provides a few tips on using DSD+ and an RTL-SDR for listening to DMR digital voice signals. The video is designed as a companion to Tech Minds' video which shows a full...

Over on YouTube user ModernHam has uploaded a video showing how to perform a replay attack on a car key fob using a Raspberry Pi running RPiTX and an RTL-SDR. A replay attack consists of recording an RF signal, and then simply...

Over on GitHub, Rakesh Peter (r4d10n) has uploaded a new terminal/ssh based console application called "retrogram~rtlsdr". This program uses an RTL-SDR and terminal window to display a spectrum analyzer drawn in ASCII art. Because it is terminal based, it is...

Thank you to Giuseppe (IT9YBG) who just wanted to write in and note that Android TV boxes are an excellent computing platform for RTL-SDR dongles. They allow you to monitor frequencies or listen to DAB music directly from a TV, and...

SatNOGS is an open source project that aims to make it easy for volunteers to build and run RTL-SDR or other SDR based RF ground stations that automatically monitor satellites, and upload that data to the internet for public access....

Over on YouTube channel Tech Minds has uploaded a video that shows how to install and use RPiTX version 2. RPiTX is software for the Raspberry Pi which can turn it into a 5 kHz to 1500 MHz transmitter which can transmit any...

A couple of days ago we ran a post noting that the Airspy HF+ WRTH review was now available for public viewing. Now thanks to Jon Hudson of SDRplay for letting us know that the SDRplay RSPDuo review from WRTH...

At the beginning of last month we posted about an update to JAERO which allows us to now listen to AERO C-Channel voice audio. AERO is a satellite based communications service used by modern aircraft, and it's possible to easily...

The World Radio TV Handbook (WRTH) is a directory book (or CD) of world radio stations on LW, MW, SW and FM. In addition to the directory they also do reviews of radios/SDRs, and recently they reviewed the Airspy HF+ (pdf). The Airspy...

According to researchers at the International Association for Cryptologic Research it is possible to snoop on 3G to 5G mobile users using a fake base station created by an SDR. It has been well known for several years now that 2G...

A while ago we posted about Osmo-FL2K which is a Steve M Osmocom project that allows you to use a cheap $10 USB to VGA adapter as an HF - 1.7 GHz transmitting SDR. Now another similar project by Ted Yapo...

The Reverse Beacon Network is a project that monitors the amateur radio bands by using volunteer stations to continuously and autonomously collect data on what/when stations are being received, and how good the signal is. The data is made public...

Over on the AWS blog Jeff Barr has blogged about Amazon's new rentable ground station system called "AWS Ground Station". AWS, or Amazon Web Services is the server farm division of Amazon. They allow customers to rent out server capability...

Electronics distributor element14 has uploaded a video to their 'element14 presents' YouTube channel showing presenter Matt building and setting up a portable Raspberry Pi & RTL-SDR based NOAA weather satellite receiver. More information is also available on their supplemental content...

Normally if you want to use the RTL-SDR as an SDR on Linux you install the SDR drivers, and blacklist the Kernel's built in DVB-T drivers to prevent them from taking over the RTL-SDR. Once blacklisted, no RTL-SDR plugged into...

Back in January we posted about a Vivaldi antenna project by "hexandflex". In that project he showed how he designed and manufactured the Vivaldi. A Vivaldi antenna is wideband and directional and the design works well for frequencies above 800...

Over on YouTube, channel Null Byte has uploaded a video showing us how to use an RTL-SDR V3 on an Android smartphone. In the video he discusses the hardware and software required to get started on Android and demonstrates the free SDRoid...

Thanks to Luigi (aka @luigifcruz and PU2SPY) for writing in and submitting to us his LimeSDR based doppler radar blog post. The LimeSDR Mini is a low cost two port TX and RX capable SDR. Luigi's doppler based radar makes use of...

Airspy Airspy is currently running a 15% Black Friday sale over on the manufacturers website iead.cc, and on their US distributor airspy.us. The coupon code is BF2018. This results in an Airspy Mini costing only $84.15, an Airspy HF+ costing...

Thanks to K2GOG of the Hudson Valley Digital Network for writing in a sharing with us his latest blog post which is a useful overview of some direction finding techniques that can be used with RTL-SDR dongles. RF direction finding is...

Othernet (previously known as Outernet) are currently having a 50% off sale on all their products. This means that you can snag a discounted Dreamcatcher at only US$75, and a moRFeus at US$99. The sale expires midnight on the 26th....

Thank you to Thierry Leconte (TLeconte) for writing in and submitting his new command line based open source software called vortrack. Vortrack is a simple VOR decoder which calculates the angle towards the VOR. It is compatible with both RTL-SDR and...

Motherboard, an online technology magazine has recently run an article titled "With $20 of Gear from Amazon, Nearly Anyone Can Make This IMSI-Catcher in 30 Minutes". The article describes how an RTL-SDR together with the IMSI-Catcher Linux software can be used...

Over on GitHub user jj1bdx has just released a new tool called rtl_power-fm-multipath which can be used for estimating broadcast FM multipath distortion with an RTL-SDR. Broadcast FM multipath is caused when a signal is received from multiple directions due to it...