L-Band Setup with Mini LNA4ALL and Mini Patch Antenna
Over on his YouTube channel Adam 9A4QV has uploaded a new video showing reception of L-band signals with a bias tee powered LNA4ALL and a small patch antenna. The video seems to show a new miniature...
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Software for creating an Interactive RTL_POWER Visualization
RTL-SDR.com reader Dominic Chen recently wrote in to let us know about a new piece of software he’s created. The software is called d3-waterfall, and is an interactive web based waterfall display. It...
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New SDR# Plugin: Radio-Sky Spectrograph Data Stream
Radio-Sky Spectrograph is a radio astronomy software program which is often used together with the RTL-SDR or other similar SDRs. It is best explained by the author: Radio-Sky Spectrograph displays a...
View ArticleOuternet Weather Updates Now Coming Down
A few days ago we reported that the Outernet L-band satellite service had just upgraded their software to make it available for receiving APRS and weather updates. Back then it wasn’t clear what the...
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SDRDue: New Software for Passive Radar with Two Coherent RTL-SDR Dongles
Dr. Daniel Michał Kamiński, author of two SDR# plugins has recently released a new passive radar program for the RTL-SDR called “SDRDue”. Passive radar is a technique that makes use of signals from...
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A Multi-Channel Coherent RTL-SDR Product: For Passive Radar, Direction...
Coherent-receiver.com is a company which is a customer of our RTL-SDR V3 dongle and they have been working on creating a multi-channel coherent receiver product based on the RTL-SDR. An RTL-SDR...
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Reverse Engineering the Outernet Signal
Outernet is a satellite based file delivery service. Currently they’re beta testing their service and they are using RTL-SDR’s as the receiver. In previous posts we’ve seen that they’re now regularly...
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Our Quick Review of the ThumbNet N3 Prototype
Earlier this month Akos from the RTLSDR4Everyone blog reviewed a prototype of the latest ThumbNet N3 RTL-SDR. In this post we will also give a quick review of a prototype of their new unit which was...
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Setting up a GOES Weather Satellite Antenna System
Many people with an RTL-SDR have had fun receiving NOAA and METEOR low earth orbit (LEO) weather satellite images. However, a step up in difficulty is to try and receive the geostationary orbit (GEO)...
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FlightAware Release their Pro Stick Plus: An ADS-B Optimized RTL-SDR with LNA...
Back in March of this year we posted about the release of the FlightAware “Pro Stick”. The Pro Stick is FlightAware’s ADS-B optimized RTL-SDR dongle. It uses a low noise figure LNA on the RF front end...
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GQRX-Ghostbox: Electronic Voice Phenomenon Paranormal Research Tool
With perfect Halloween timing, SDR enthusiast and ghost hunter Doug Haber has released his RTL-SDR compatible software called “gqrx-ghostbox”. This software supposedly turns your RTL-SDR into a...
View ArticleGNURadio Conference 2016 Talks
Back in September the GNU Radio 2016 (GRCon16) conference was held. GRCon16 is an annual conference centered around the GNU Radio Project and community, and is one of the premier software defined radio...
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Creating a GOES Weather Satellite Demodulator
Last week we posted about Lucas Teske’s (@lucasteske) experience with setting up an antenna system that can receive the geostationary GOES weather satellites. He set up a dish antenna, feed, LNA and...
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HDSDR Beta 2.75 Released
A new beta version of HDSDR has recently been released. HDSDR hasn’t been updated since 2013, so it is good to see that the author is back in action. HDSDR is a free general purpose SDR receiver,...
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Helping to Raise Funds for the Canadian Centre for Experimental Radio...
Patchvonbraun (aka Marcus Leech) is one of the pioneers in using low cost SDR dongles for amateur radio astronomy experiments. In the past he’s shown us how to receive things like the hydrogen line,...
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Building a Frame Decoder for the GOES Weather Satellite
Yesterday we posted about Lucas Teskes (@lucasteske) success in building a demodulator for the GOES weather satellite. Before that he also showed us how to build an antenna system to receive GOES with...
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Solving APRS Interference Issues with a Bandpass Filter and Coax Notches
John, DK9JC N1JJC wanted to set up an RTL-SDR APRS packet iGate. APRS stands for “Amateur Packet Reporting System”, and is a type of packet radio communications system used by Amateur Radio operators....
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Mile Kokotov’s SDR Overview and Dynamic Range Explanation
Mile Kokotov (Z33T) has been working on creating an overview page of some of the most popular software defined radios and software applications. In the past we’ve featured Mile’s videos several times...
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Demuxing Frames and Generating Images from the GOES Weather Satellite
In his latest two posts Lucas Teske continues with his series about receiving and downloading weather satellite images from the GOES satellites. In past posts he’s show us how to receive the signal...
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The ThumbNet N3 is now Shipping
The latest RTL-SDR receiver from Thumbnet, the Thumbnet N3 is now shipping out. Back in October we received a sample of one of their prototypes and found it to have a very low noise floor since they...
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