New RTL-SDR Blog Units Now Available in Store: HF via Direct Sampling,...
A few months ago we brought out a poll asking readers of this blog what they might like to see in a revised RTL-SDR dongle. We’ve now taken some of those suggestions and implemented them into a brand...
View ArticleRTLSDR4Everyone: Review of the Soft66RTL3
Over on his blog Akos has posted a review of the Soft66RTL3. The Soft66RTL3 is an RTL-SDR which is retrofitted with an upconverter, filters and HF RF amp. It is produced by Kazunori Miura (JA7TDO) who...
View ArticleUsing a Beam Deflection Tube as a Mixer for an RTL-SDR Upconverter
Over on YouTube user Full spectrum technician has uploaded an interested video where he shows how he used a beam deflection tube to create an upconverter for his RTL-SDR. A beam deflection tube is a...
View ArticleReview: Outernet LNA and Patch Antenna
Recently we posted new that Outernet had released their 1.5 GHz LNA, Patch Antenna and E4000 Elonics RTL-SDR + E4000/LNA Bundle. When used together, the products can be used to receive the Outernet...
View ArticleA New LabVIEW interface for RTL-SDR Dongles
Today LabVIEW and RTL-SDR user Albert Lederer wrote in to let us know that he’s created a new LabVIEW interface for the RTL-SDR. LabVIEW is a visual programming language which is used commonly by...
View ArticleA Preliminary Review of the HF Mode on Our V3 Dongles
Over on YouTube user icholakov shows a video where he compares our new RTL-SDR V3 dongles with direct sampling against an SDRplay and Icom 7100. The video shows reception at various HF frequencies on...
View ArticleMore videos showing HF reception on the RTL-SDR V3 Dongle
In this video icholakov from our last post continues his testing, and does some more tests on daytime HF reception. https://www.youtube.com/watch?v=3mugscC8B7UVideo can’t be loaded: RTL SDR V3 Dongle...
View ArticleModifying the Outernet LNA for Iridium Reception
A few days ago we posted a review on the Outernet LNA which can can be used to help receive their new L-band service signal. Their LNA uses a filter which restricts the frequency range from 1525 – 1559...
View ArticleUsing an RTL-SDR to Listen to Superhet Radio’s Unintentional Emissions
Recently two students (Léo Poughon and his friend Thomas Daniel) wrote in to let us know about their work with SDR’s for their school project. Their project was to try and repeat the work of “Operation...
View ArticleThree New Reviews of our V3 RTL-SDR using the HF Direct Sampling Mode
Recently this week three new reviews of our RTL-SDR V3 came out, all reviewing its operation on HF frequencies. In the first review Mike (KD2KOG) reviews the dongle and provides a video of it in action...
View ArticleUSBee: Leaking Data from Air-Gapped Computers and Receiving it with an RTL-SDR
This Monday researchers from Ben-Gurion University of Negev released an academic paper detailing their research in showing how attackers could cause your PC to wirelessly leak data. They write that...
View ArticleTalk: Decoding Data from Iridium Satellites
At this year’s hacker themed Eleventh Hope conference, Stefan “Sec” Zehl and Schneider gave a talk which discusses their latest work on decoding data from Iridium satellites using SDR’s. Iridium is a...
View ArticleSeveral Performance Upgrades Made to the Latest Versions of SDR#
Recently the popular SDR# (SDRSharp) software has had several improvements made to it (changelog). One of the most noticeable improvements is a decent reduction in the amount of CPU usage required by...
View ArticleCloud-SDR: A Tool for Remotely Accessing SDR’s like the RTL-SDR and Airspy
Cloud-SDR is a new tool currently in beta testing which enables remote streaming access of SDR receivers, such as the RTL-SDR and Airspy. In a way it is similar to rtl_tcp in that it allows IQ samples...
View ArticleRTL-SDR Tutorial: Receiving and Decoding Data from the Outernet
Outernet is a relatively new satellite service which aims to be a “library in the sky”. Essentially their service is going to be constantly transmitting files and data like news and weather updates...
View ArticleA Video Explaining LNA Noise Temperature Calculations
Over on YouTube Adam 9A4QV (creator of the LNA4ALL and other products) has uploaded a video that explains Friis formula for noise, using simple calculations and theory. These calculations explain why...
View ArticleRFTap: A Bridge Between GNURadio and Wireshark
Recently a new Linux based tool called RFTap has been released. RFTap acts as a bridge between GNURadio flow graphs and Wireshark. GNU Radio is a visual based programming environment for digital signal...
View ArticleIntroduction to Signal Analysis Class in Baltimore-DC
A four week free class on signal analysis using SDR’s like the RTL-SDR will be taking place in the “Unallocated Space” technology community center in Baltimore-DC area. It starts on Tuesday September...
View ArticleRTLSDR4Everyone: Review of the FlightAware ADS-B RTL-SDR
Akos from the RTLSDR4Everyone blog has recently uploaded a review of the FlightAware ADS-B ProStick RTL-SDR dongle. The FlightAware (FA) dongle is a standard RTL-SDR with SMA connector, but with a very...
View ArticleNatpos: New Linux SDR Software for the RTL-SDR
Natpos is a new Linux based SDR program similar in operation and features to other programs like GQRX, HDSDR and SDR#. At the moment Natpos only works with RTL-SDR receivers as it runs via the rtl_tcp...
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