Video on using an RTL-SDR + Noise Generator as a Poor Man’s Network Analyzer
Over on YouTube user AE0AI has uploaded a video where he explains how he uses an RTL-SDR and a home made noise source as a poor man's network analyzer. A network analyzer is a tool that allows you to...
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Automatically Receiving, Decoding and Tweeting NOAA Weather Satellite Images...
Over on Reddit we've seen an interesting post by "mrthenarwhal" who describes to us his NOAA weather satellite receiving system that automatically uploads decoded images to a Twitter account. The set...
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SirenJack: Security Vulnerability Found in Wirelessly Controlled Emergency...
Balint Seeber from security research firm Bastille has recently disclosed a major security vulnerability found in wirelessly controlled emergency sirens called "SirenJack". These sirens are used in...
View ArticleNexmon SDR: Using the WiFi Chip on a Raspberry Pi 3B+ as a TX Capable SDR
Back in March of this year we posted about Nexmon SDR which is code that you can use to turn a Broadcom BCM4339 802.11ac WiFi chip into a TX capable SDR that is capable of transmitting any arbitrary...
View ArticleHiring a Dev for Direction Finding & Passive Radar Software
We are currently looking for a dev or engineer to work on a short project that will involve developing easy to use software for passive radar and direction finding applications. The hardware will...
View ArticleDemonstrating the MFJ-1708SDR Automatic Relay Switch with an SDRplay and Icom...
A few weeks ago we posted about the MFJ1708SDR automatic relay switch and how it can be used to combine an RX only SDR with a transmit capable radio. An automatic antenna relay switch is used to...
View ArticleUsing a HackRF to Transmit To a Local Repeater
Over on YouTube Tech Minds has uploaded a new video where he shows how he can use his HackRF SDR with the SDRAngel software to easily transmit voice to a local ham radio repeater. If you are unfamiliar...
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SirenJack: Rebuttle by ATI Systems
Last week we posted news about the "SirenJack" radio security vulnerability which was released by Balint Seeber of the Bastille security research agency. SirenJack describes how a cheap TX capable SDR...
View ArticleThe NOAA-15 Weather Satellite May be Failing
Over the last few days the NOAA-15 APT weather satellite has begun to show signs of failure with people receiving corrupted images. NOAA 15, 18 and 19 are weather satellites that can be easily received...
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Investigating the Adjustable IF Bandwidth on the R820T Chip
Over on his blog, Thierry Leconte has been writing about some IF bandwidth experiments that he's performed on the R820T2 chip. This is the tuner chip that is used in most RTL-SDR dongles, and well as...
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New GUI and Info on Outernet’s moRFeus Wideband Signal Generator
Back in March we posted about the release of Outernet's moRFeus device which is a low cost wideband RF signal generator. Since then we've received a few emails from two readers who've received their...
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QuestaSDR: New RTL-SDR Software for Android
Last year we posted about QuestaSDR, which is a simple SDR multi-mode GUI that is compatible with the RTL-SDR. Since then QuestaSDR has evolved, and is now available on Android devices as well. It...
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Testing the Airspy with the New And Improved Version of ADSBSpy
Airspy have recently released an update to their ADSBspy decoder, which is an Airspy One/R2 compatible decoder for 1090 MHZ ADS-B signals. According to 'prog', the software developer of ADSBSpy, his...
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The Lego Pi RTL-SDR FM Radio
Thank you to RTL-SDR.com reader 'JJ' for writing in with a submission for his Lego Pi Radio. JJ's Lego Pi Radio consists of a Raspberry Pi and RTL-SDR and is designed to be an FM Radio, MP3 and...
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OH2BNF’s Plan for a Large Scale Raspberry SDR (LSR-SDR) Based on RTL-SDR Dongles
Thanks to OH2BNF for writing in and sharing his plan to build a "Large Scale Raspberry SDR" (LSR-SDR), which will be based on RTL-SDR dongles. To create the LSR-SDR he plans to take a 19" rack which...
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Part III of Calibrating your RTL-SDR with QIRX SDR Now Uploaded
Earlier in the month we posted about Clem's three part series on how his QIRX SDR software can be used to accurately calibrate an RTL-SDR using DAB signals. Back then only parts I and II had been...
View ArticleTysonpower Reviews our Triple Filter ADS-B LNA
Thank you to YouTuber 'Tysonpower' who is known for making various RF related videos as he has recently reviewed our Triple Filtered ADS-B LNA on his blog and on YouTube. Note that his video is in...
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Osmo-FL2K: A TX-Only SDR Hacked From Commodity $5 USB to VGA Adapters – Demos...
Osmocom are some of the people behind the original discovery and development of the RTL-SDR, and today it looks like they have done it again by releasing exciting news of a way to turn a commodity $5...
View ArticleThomas N1SPY Demonstrates Receiving SSTV Images from the ISS
Earlier in the month the International Space Station (ISS) was transmitting SSTV images down to the earth for anyone to receive an decode. The ISS does this several times a year to commemorate special...
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GUI for Controlling the R820T2 Filters and Registers
Recently a program called R820T2Tweak_Patched was released which is a GUI for GQRX that allows you to manually control not only the three RF gain settings on R820T2 RTL-SDRs, but also the four filter...
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