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Sigidwiki and our Facebook and Twitter Pages
Our radio signal identification wiki sigidwiki.com has now been running for half a year and is starting to collect a wide range of example signals. We just wanted to remind you of the site and to...
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Getting started with amateur satellite reception and the RTL-SDR
Over on the hamspirit.de blog the author Jan has uploaded a post introducing the hobby of amateur satellite reception with the RTL-SDR (in German, use Google Translate). Amateur radio satellites may...
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Recovering 433MHz Messages with RTL-SDR and MATLAB
Recently RTL-SDR.com reader Ilias wrote in to let us know about a post he uploaded to his blog showing how he was able to decode data from a device transmitting at 433 MHz using an RTL-SDR and MATLAB....
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SDR-J Updated to Version 0.98
The RTL-SDR compatible DAB Radio receiving software SDR-J has recently been updated to version 0.98. DAB stands for digital audio broadcasting and is a type of digital radio signal used in some...
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The SatNOGS Story
In a previous post we talked about the SatNOGS project which aims to provide low cost satellite ground stations (where one critical component is currently an RTL-SDR dongle) along with free networking...
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Highlighting some SDRPlay Reviews
The Radio Spectrum Processor (RSP) by SDRplay is a receive only software defined radio with a 100 kHz to 2 GHz range (with a small gap at 380 MHz to 480 MHz), a 12-bit analogue to digital converter...
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The International Space Station is Transmitting SSTV Images
Happysat, a reader of RTL-SDR.com has written in to remind us that the International Space Station (ISS) is currently transmitting slow scan television (SSTV) images out of respect of the 80th birthday...
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SDR Capture The Flag Competition Tutorial
During several hacker and security themed conferences (Shmoocon, Bsides, Derbycon, Defcon, etc) organizers from Wireless Village have been setting up competitive WiFi and SDR themed capture the flag...
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ARTEMIS: Free Signal Identification Software
Marco, a reader of RTL-SDR.com and user of our sister site sigidwiki.com has been developing some Windows software to display the sigidwiki.com database in an easier to access format. The software is...
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How to Receive the Funcube Satellite with an RTL-SDR
Over on the Hamspirit.de blog author Jan as written a post explaining how to receive the FUNcube satellite with an RTL-SDR dongle (note in German, use Google translate). The FUNcube is a CubeSat (a low...
View ArticleLinux Command Line based Doppler Correction and Demodulation Tools
Programmer Andres has recently been working on creating a toolset for receiving AX.25 packets (FSK 9600) from satellites with an RTL-SDR or other software defined radio. The AX.25 protocol is commonly...
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Decoding Aviation VOR and ILS Signals with RTL-SDR
Previously we’ve posted about how hpux735 (aka William) was able to use an RTL-SDR to decode an aviation VOR navigation signal using GNU Radio and an RTL-SDR. VOR is an acronym for VHF Omni Directional...
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New GUI for rtl_power: QSpectrumAnalyzer
A new GUI for rtl_power has been released by programmer Mikos. Although there are already several rtl_power GUIs and spectrum analyser applications that exist, Mikos developed QSpectrumAnalyzer because...
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Installing GQRX on Mac OSX
Mac OSX users can have a hard time with the RTL-SDR as there are not many software packages available for it. One software package that is known to work well on OSX is GQRX, which is a general multi...
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Using a Quantum Phaser to Null Out Interfering Signals
Over on YouTube user kugellagers has uploaded several videos showing how he used two vertical antennas together with an RTL-SDR and ham-it-up upconverter to demonstrate the effect of using a Quantum...
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New SDR# Plugins: IF Processor & Audio Processor
Over on rtl-sdr.ru, Vaisili the programmer of several popular SDR# plugins has released two new plugins: an IF and an Audio Processor plugin (in Russian, use Google Translate). The IF Processor plugin...
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Building a simple upconverter with a NE612 IC
Upconverters are often used to extend the RTL-SDR dongles minimum receivable range down to the HF, MF and LF bands. They are available for purchase commercially, or you can build your own, which is...
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Capturing Noise Bursts from Jupiter with an RTL-SDR
Recently amateur radio astronomer Jim Brown used an RTL-SDR dongle together with a Ham-it-up upconverter and preamp to capture noise bursts from the planet Jupiter. Not much information about his...
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RTL-SDR Tests: R820T vs R820T2 Stability Tests for Radio Astronomy
Amateur Radio astronomer Peter Kalberla recently wrote in to let us know about a paper he has written exploring stability issues and comparing the R820T and R820T2 RTL-SDR tuner chips (pdf warning)....
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RTL-SDR Tutorial: Measuring filter characteristics and antenna VSWR with an...
By using an RTL-SDR dongle together with a low cost noise source it is possible to measure the response of an RF filter. Also, with an additional piece of hardware called a directional coupler the...
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