YouTube video showing Inmarsat C-Band AERO Reception
Last week we posted how programmer Jonti had successfully implemented a C-Band AERO decoder into his JAERO software. C-band AERO signals are the earth downlink portion of AERO. Planes transmit data...
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FlightBox: Commercial RTL-SDR Based ADS-B (1090ES & 978UAT) Receiver for Pilots
For some time now, small aircraft pilots who don’t have access to expensive ~$1000+ ADS-B gear have been successfully using an RTL-SDR and Raspberry Pi combination to receive ADS-B and UAT to display...
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Hacking Alarm Systems with an RTL-SDR and RFcat
Back in 2014 the author of boredhackerblog.blogspot.com did a final year project for his wireless security class on hacking home alarm systems. His presentation was titled “How we broke into your...
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Creating a wireless RTL-SDR server with a small OpenWRT WiFi Router
Over on his blog yo2ldk has been experimenting with creating a wireless RTL-SDR server by using a mini OpenWRT based WiFi router (page in Romanian, use Google Translate for English). The router he uses...
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Using Multiple RTL-SDR’s to Capture a Trunking System
An RTL-SDR dongle has a maximum usable bandwidth of about 2.4 MHz which most often isn’t enough to capture an entire trunking system that may be spread out over a larger bandwidth. In order to get...
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Creating a FSK SSDV data system for High Altitude Balloons
David and Mark are building a 115 kbit/s FSK SSDV (slow scan digital video) data system for high altitude balloons. In their system, on the balloon transmit side they use a Raspberry Pi, Raspberry Pi...
View ArticleSpectrum Spy: New Spectrum Analyzer Software for the Airspy
Software defined radio’s can easily be used a very wideband spectrum analyzers by quickly stepping through the spectrum at the largest stable bandwidth supported. The RTL-SDR has had this functionality...
View ArticleInspectrum: A New Tool for Analysing Captured Signals
Inspectrum is a Linux and OSX based tool that can be used for analysing captured signals. It is compatible with the IQ files generated from SDRs, such as the RTL-SDR or HackRF. Over on YouTube user...
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A GNU Radio Based ISDB-T and RTL-SDR Compatible 1Seg Decoder
In most parts of the world the DVB-T standard is used to air digital HDTV. In the USA the ATSC standard is used, and in China DTMB is used instead. In other countries such as Brazil, Peru, Argentina,...
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FlightAware ProStick: A new ADS-B optimized RTL-SDR with built in LNA
The FlightAware team have today announced the release of the “ProStick”, an RTL-SDR dongle that they write has been modified for improved ADS-B reception. The new FlightAware RTL-SDR’s main defining...
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Radio Astronomy Tool rtl_power_fftw Updated
The rtl_power program allows you to use the RTL-SDR to perform a power scan over an arbitrarily large portion of the frequency spectrum (within the RTL-SDR’s supported frequency range) by hopping over...
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Recent Updates to the JAERO L-Band and C-Band AERO Decoder
JAERO is a program by Jonti that was released late last year which allows us to use a SDR such as an RTL-SDR to receive L-band and C-Band AERO messages. AERO is essentially the satellite based version...
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A new TETRA voice and multiframe SDS decoder
Recently Marek Sebera of ITDS Consulting wrote in to let us know about two new TETRA decoders that they have released. TETRA is a trunked radio communications system that stands for “Terrestrial...
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Using an RTL-SDR on a high powered rocket to capture GPS data
Over on the SDRGPS blog Philip Hahn and fellow aerospace engineer Paul Breed have been working together to try and use an RTL-SDR to help get accurate GPS data for tracking small high powered rockets....
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Receiving Differential GPS Beacons with a HackRF
Differential GPS (DGPS) are signals that exist between 285 – 325 kHz and are used to enhance the accuracy of GPS receivers. The system can improve GPS accuracy from 15m down to 10cm in some cases. It...
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Review: FlightAware ADS-B RTL-SDR + LNA Positioning
Recently FlightAware released a new RTL-SDR dongle sold at zero profit at $16.95 USD. It’s main feature is that it comes with an ADS-B optimized low noise amplifier (LNA) built directly into the...
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Partial Discharge Detection using an RTL-SDR
Partial discharge is the situation in which electricity arcs through an insulating dielectric material when high voltages above the rated voltages for the insulator are applied. Continued partial...
View ArticleSetting up a Raspberry Pi Based AIS Receiver with an RTL-SDR
Over on YouTube user Tobias Härling has uploaded a video showing how he used a Raspberry Pi and RTL-SDR dongle to set up an AIS receiver. AIS stands for Automatic Identification System and is a radio...
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Transmitting DATV with a just a Raspberry Pi
All the way back in April 2014 we first posted about how the Raspberry Pi was able to transmit FM by cleverly modulating one of it’s GPIO pins. Later in October 2015 F5OEO expanded this idea and...
View ArticleVideos Showing Rpidatv in action
A few days ago we posted about the release of Rpidatv, a program that allows a Rapberry Pi to transmit DATV without the need for any additional hardware. DATV stands for Digital Amateur TV, and can be...
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