Competition Winners Announced!
Firstly, thanks to all who entered our competition. We saw a huge response and learned a great deal about what the RTL-SDR community is up to these days. I encourage everyone to take a look through the...
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Nooelec + AmateurRadio.com RTL-SDR Competition now Running
Hot on the tails of our own competition which has now closed, Nooelec and AmateurRadio.com have teamed up to create a giveaway for a HackRF One and 40 RTL-SDR dongles (some even bundled with...
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AISRec: Windows and Android AIS Decoder
Back in 2015 we posted about the free trial version of AISRec a few times, but we never really saw a full completed version get released. So far this year the full version is still not released, but...
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Collecting private flight data on the World Economic Forum Atendees with an...
Every year politicians and business men meet at the “World Economic Forum” in the small mountain town of Davos, Switzerland to discuss various topics and create business deals. This year Quartz, an...
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Installing GQRX on OSX El Capitan
OSX users often don’t have much choice when it comes to general purpose SDR receiver software for the RTL-SDR or other SDR’s. However, one program that works well on Macs is GQRX. Installing GQRX on...
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Testing RTL-SDR and SDRPlay receivers for AERO reception
Jonti, the programmer of the JAERO decoder for L-band AERO signals recently bought and received one of our new RTL-SDR Blog dongles and also an SDRplay unit for testing L-band reception. Previously he...
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Decoding the LoRa IoT Protocol with an RTL-SDR
The internet of things is set to become the next big thing in technology. The IoT consists of multiple networked devices such as sensors and computers connected in various ways such as via wireless...
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Red Pitaya and Software Defined Radio
The Red Pitaya is marketed as a type of digital oscilloscope, and is more accurately described as a type of digital measurement and control tool that sells for about $220 USD. However the technology...
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Radio Astronomy with an RTL-SDR, Raspberry PI and Amazon AWS IoT
Recently amateur radio astronomer Mario Cannistrà wrote in and showed us a link to his project. Mario has been doing some interesting experiments with an RTL-SDR that involve receiving emissions...
View ArticleDecoding DMR on OSX using a RTL SDR and DSD Plus
DSD+ (Digital Speech Decoder+) is a popular Windows tool that can be used together with an RTL-SDR to decode digital speech signals such as P25 and DMR. There is unfortunately no version for OSX....
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Bypassing Rolling Code Systems – CodeGrabbing/RollJam
A while back we posted about Samy Kamkars popular “RollJam” device, which was a $32 home made device that was able to defeat rolling code based wireless security systems such as those used on modern...
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KiwiSDR: 30 MHz Bandwidth SDR for VLF/LF/MF/HF
The KiwiSDR is an up and coming VLF/LF/MF/HF capable SDR that has a large 30 MHz of instantaneous bandwidth and coverage from 10 kHz to 30 MHz. It is designed to be low cost and used as an online...
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New L-Band Filters from Adam Available
Adam (9A4QV) is well known in the RTL-SDR community for producing the LNA4ALL low noise amplifier as well as various RF filters that work well with the RTL-SDR. Adam is now selling some L-Band antennas...
View ArticleHow to use DSD+ with WineSkin on OSX
Last week we posted about how Matthew Miller deomnstrated that he was able to get the Windows digital speech decoder (DSD+) software running under OSX with WineSkin. DSD+ allows you to decode digital...
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Testing a frequency synthesizer with an RTL-SDR
Harris Butler is designing his own software defined radio out of a Cypress PSOC5 (processor and ADC), an RF mixer, LNA and a frequency synthesizer (for use as a local oscillator) all purchased from...
View ArticleBroadcasting Analgoue NTSC TV with a $7 ESP8266
The ESP8266 is a $7 WiFi module that can be used to give any microcontroller access to a WiFi network. It is designed for creating Internet of Things (IoT) devices and has various features such as it’s...
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Using AIS Share, OpenCPN and an RTL-SDR on a Sailboat
AIS Share is an app for Android that allows you to turn an Android device into an AIS receiver by using an RTL-SDR. AIS stands for Automatic Identification System and is used by ships to broadcast...
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Review: Airspy vs. SDRplay RSP vs. HackRF
When people consider upgrading from the RTL-SDR, there are three mid priced software defined radios that come to most peoples minds: The Airspy, the SDRplay RSP and the HackRF. These three are all in...
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New Version of the Frequency Manager Suite Plugin for SDR# Released
Recently the commonly used Frequency Manager Suite Plugin for SDR# has been updated. The plugin suite works well with the RTL-SDR and includes features such as a frequency scanner and manager, a...
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Enclosing two RTL-SDRs in a metal box to reduce noise
Over on his blog, Twitch has uploaded a post showing how he mounted two RTL-SDR dongles into a single metal case in order to reduce noise. Twitch used a $2 aluminium metal case that he obtained from a...
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