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Transmitting Data with a Raspberry Pi and RTL-SDR
Hackaday brings to attention a simple hack where hacker Marc uses an antenna connected to a general purpose I/O (GPIO) pin on his Raspberry Pi to wirelessly transmit a wav file via AFSK modulation to...
View ArticleTrue Random Numbers with RTL-Entropy
RTL-Entropy is a Linux based entropy generator which uses the RTL-SDR as the entropy source. It works by using the RTL-SDR to sample atmospheric noise and then using that noise to create randomly...
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Visualizing Broadcast Satellite Signals with the RTL-SDR
Over on Gough’s Tech blog, Lui Gough has posted about his experiences with visualizing broadcast satellite signals with the RTL-SDR. In his post he shows how to receive broadcast satellite signals by...
View ArticleShinySDR: A new SDR software package that supports RTL-SDR
ShinySDR is a new still in development SDR software package which supports the RTL-SDR. It is built on GNU Radio and has a web based user interface and a plugin system.One of the main differentiating...
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Decoding Efergy Energy Monitor Signals with RTL-SDR
An Efergy energy monitor is a wireless device with an LCD screen that shows how much power your household is using. The device is useful for helping reduce power usage by determining what appliances...
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LNA4HF: Interest Check
Adam, the manufacturer of the LNA4ALL low noise amplifier designed for use with the RTL-SDR, and similar software radios is putting out an interest check for an LNA4HF product. The LNA4HF will be a low...
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Demo of Osmocoms ‘Phosphor’ Spectrum Visualizer
Over on YouTube, user superkuh2 has posted a video showing off osmocoms gr-fosphor GNU Radio block which shows a real time spectrum visualization using the GPU. He combines gr-fosphor with multimode...
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Using the RTL-SDR to listen to the Funcube Satellite
Recently, the FUNcube-1 satellite was successfully launched. The FUNcube is a CubeSat (a low cost miniature 10cm cube sized satellite) which is intended mainly for educating young people about radio,...
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Reverse Engineering Radio Controlled Bus Stop Displays
Over on her blog www.windytan.com, Oona has shown how she was able to reverse engineer a radio controlled bus stop display using a receiver like the RTL-SDR. Radio bus stop displays are used by bus...
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Demonstrating GQRX Running on a BeagleBone Black with RTL-SDR
YouTube user Brad Bowers has posted a video showing GQRX running on his BeagleBone Black with an RTL-SDR dongle. The BeagleBone Black is an embedded Linux computer, similar to the Raspberry Pi, but...
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ADS-B Decoder for the RTL-SDR now available for Android
A (beta version) of an ADS-B decoder and display app for the RTL-SDR dongle for Android has been released. This app allows you to receive the ADS-B radio signals emitted by modern aircraft, which...
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AirSpy – A New 12Bit, 20Msps SDR Dongle Prototype by the Author of SDRSHarp
AirSpy is a new SDR Dongle currently being prototyped by the author of the popular SDRSharp software receiver platform. The technical specifications are as follows- 24 – 1750 MHz range - 12bit ADC @...
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Nooelec RTL-SDR Giveaway on AmateurRadio.com
AmateurRadio.com has teamed up with Nooelec.com to give away RTL-SDR packages to 10 hams. To be eligible to enter the competition, you must be a registered amateur radio operator, and you must comment...
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SDRSharp Video Tutorial
If you’re new to the world of low cost software defined radio, and have just been through our Quickstart guide, this YouTube tutorial video by Clayton Smith on using the SDR# program may be useful to...
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Pytacle – A GSM Decoding/Decrypting Tool Now Supports RTL-SDR
Pytacle, a Linux tool used for automating GSM sniffing has been updated to alpha2, and now supports the RTL-SDR dongle with this update.According to the website pytacle isa tool inspired by tentacle....
View ArticleLinux LiveDVD that Supports RTL-SDR and HackRF
Andy (KB1OIQ) has put together an Ubuntu Linux LiveDVD which has preinstalled RTL-SDR support, as well as a large number of amateur radio programs. The LiveDVD also supports both 32 and 64 bit...
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Modified RTL-SDR with Temperature Controlled Oscillator (TCXO)
Nobu Saito, a Japanese RTL-SDR hardware developer has come out with a modified RTL-SDR which has a +-2PPM 28.8MHz Temperature Controller Oscillator (TCXO) instead of the standard 28.8 MHz stock...
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Review of Various Lesser Known RTL-SDR Dongles
While the standard R820T dongles are the cheapest, most popular and best overall performing, there are other lesser known dongles variants out there which contain RTL2832 chips. Gough Lui has reviewed...
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Receiving the Chinese Yutu Moon Rover with the RTL-SDR
Amateur radio hobbyist EB3FRN was able to use his RTL-SDR to receive the telemetry signal from the recently landed Chinese Yutu moon rover. The Yutu rover transmits at 8462.08000 MHz, which is outside...
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ADS-B Virtual Radar RTL-SDR Tutorial in the ARRL QST Magazine
The American Radio Relay League (ARRL) a.k.a The American National Association for Amateur Radio has put online a freely available ADS-B tutorial featured in their monthly QST magazine, written by...
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