RTLSDR-Airband V3 Released
Thanks to RTL-SDR.com reader Lee Donaghy for writing in and little us know that RTLSDR-Airband was recently updated to include SoapySDR support. This allows the software to now work with almost any SDR...
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Antennas for Receiving Shortwave Indoors with an SDR
Over on the swling.com blog admin Thomas has been exploring various indoor antenna options for pairing with an HF capable software defined radio. He notes that unless you happen to live in isolation,...
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Outernet 3.0: Implementation Details and a 71,572km LoRa World Record
Outernet Dreamcatcher Board running with a cheap satellite TV LNB Outernet 3.0 is gearing up for launch soon, and just today they've released a blog post introducing us to the RF protocol technology...
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SDR# Plugin: FFT Window Screen Grabber
Recently Eddie MacDonald has been pumping out simple but useful plugins for SDR# including the SDR# Dark Mode and Visual Tuner Knob plugins. Recently he released a new plugin called "FFT Window Screen...
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LimeSDR Mini Unboxing and Initial Review
The LimeSDR Mini has now started shipping out to backers, and we received our unit just last week. The LimeSDR Mini is the smaller version of the full sized LimeSDR which was released early last year...
View ArticleThe GNU Radio Signals Challenge is now Live
GNU Radio have today released their latest 'Signal Challenge'. This is an online competition that contains three digital signal processing related problems. They write: At 1222 EST on 21 Feb 2018, we...
View ArticleDecoding Morse Code and Weather Faxes with an RTL-SDR
Over on the YouTube channel Tech Minds the presenter has uploaded two new RTL-SDR based tutorial videos. The first video gives a bit of background and shows how to decode Morse code with an RTL-SDR. He...
View ArticleA Guide to Using SDR-Console V3 for Accessing and Creating Remote Servers
Jon Hudson, head of marketing at SDRplay has recently released a helpful tutorial that shows how to access remote servers in SDR-Console V3, and also how to set up your own server too. As you may...
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Receiving WSPR with an RTL-SDR V3 and with Automatic Band Changing
RTL-SDR V3 + Raspberry Pi WSPR Receiver WSPR (pronounced "Whisper") is short for Weak Signal Propagation Reporting, and is a HF ham mode typically run on very low power levels such as 1W. The data from...
View ArticleOnline 101 Course on RTL-SDR, DSP and MATLAB 2nd Edition Starting Soon
Back in September 2017 we posted about the start of a MOOC (massive open online course) run by Juan Moreno and some collegues from the Technical University of Madrid that aims to introduce students to...
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SDR# Tuner Knob, Night Mode and FFT Grabber Plugins have a new home
Recently we've posted about Eddie MacDonald's several releases of new plugins for the popular SDR# software. Recently he's released a tuner knob plugin which provides a visual frequency tuning knob...
View ArticleIdentifying Noise Sources in the Shack using an SDR and an Active Receive Loop
Over on YouTube user SignalSearch has uploaded a video showing how he uses an active magnetic loop antenna indoors to identify local noise sources. Magnetic loop antennas are directional, meaning that...
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GhostSDR: An RTL-SDR Based Ghost Box for SDR#
A "Ghost Box" or "Spirit Box" is a tool used by paranormal investigators to talk with spirits via the claimed electronic voice phenomenon (EVP). Some believers in paranormal activity theorize that...
View ArticleBuilding an IcoBoard FPGA based Software Defined Radio
The IcoBoard is an FPGA IO board that is compatible with the Raspberry Pi. An FPGA (Field Programmable Gate Array) is a silicon chip that can implement custom digital circuits (such as DSP processors)...
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LimeSDR now backed by the European Space Agency
The European Space Agency (ESA) have recently become backers of the LimeSDR Mini project. The LimeSDR Mini is a US$139 TX/RX capable SDR that was successfully crowd funded and has recently begun...
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SDR# TETRA Plugin Updated: No longer requires MSYS2
Last week we posted about the release of a new TETRA decoder plugin for SDR#. The plugin made setting up a TETRA decoder significantly easier compared to previous methods, but it still required the...
View ArticleListening to SELCAL and the HF Air Band with an RTL-SDR
Over on YouTube content creator Tech Minds continues to upload informative RTL-SDR based videos, this time discussing SELCAL and the HF Air Band. For international flights it is common for aircraft to...
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R820T2 Chip Discontinued: Low Cost R820T2 RTL-SDRs will Continue, Airspy Will...
The R820T2 is the main tuner chip used in most RTL-SDR dongles. Several months ago Rafael Micro ceased regular production of their R820T2 chip, and the older R820T has also been discontinued for some...
View ArticleFOSDEM 2017/2018 SDR Conference Videos: Passive Radar, Radio Telescopes,...
Fosdem 2017 and 2018 were conferences on software development that occurred on 4 & 5 February 2017 and 3 & 4 February 2018. The conference features several software defined radio and RTL-SDR...
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Decoding Meteor-M Images on a Raspberry Pi with an RTL-SDR
Thanks to Andrey for writing in and showing us his Java based Meteor-M decoder for the RTL-SDR which he uses on a Raspberry Pi. The decoder is based on the meteor-m2-lrpt GNU Radio script and the...
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