Clik here to view.
GNU Radio TEMPEST Implementation Now Available
TEMPEST refers to a technique that is used to eavesdrop on electronic equipment via their unintentional radio emissions (as well as via sounds and vibrations). All electronics emit some sort of...
View ArticleARM Radio Code Ported to Free Toolchain
Several years ago in 2015 we posted about the "ARM Radio" by Alberto I2PHD which is a minimalist SDR implementation based on the ARM processor on the STM32F429 discovery board. It was implemented with...
View ArticleClik here to view.
Tutorial on Using xrit-rx to Receive Weather Images from Geostationary...
Over on his website VKSDR has recently released a tutorial about his Linux based xirt-rx software which allows RTL-SDR and other SDR owners receive weather images from the geostationary satellite known...
View ArticleClik here to view.
Decoding 5GHz NTSC Video from Drones with a HackRF, DragonOS and SigDigger
Over on his YouTube channel Aaron has uploaded a video showing how we can SigDigger to decode analog NTSC video from a drone camera which is transmitted at 5.7 GHz. SigDigger is a rapidly evolving SDR...
View ArticleTechMinds: Performing the Frequency Expansion and CPU Core Mod on the PlutoSDR
The PlutoSDR is a low cost RX/TX capable SDR with up to 56 MHz of bandwidth and 70 MHz to 6 GHz frequency range. It is typically priced at US$149. By default the PlutoSDR ships with a tuning range of...
View ArticleClik here to view.
Derpcon 2020 Talk: Breaking into the World of Software Defined Radio
Derpcon is a COVID-19 inspired information security conference that was held virtually between April 30 - May 1 2020. Recently the talks have been uploaded to their YouTube channel. One interesting SDR...
View ArticleRadenso Theia: An SDR Based Police Radar Detector
Radenso is a company that sells radar detectors. These are used to help motorists avoid speeding fines from Police using radar speed detectors in their cruisers. Their latest upcoming product is called...
View ArticleUnderstanding PLLs and their Importance when Receiving/Transmitting on QO-100
Over on YouTube Andreas Speiss has uploaded a video that explains what the geostationary QO-100 satellite is, and explains about the parts needed to receive and transmit to it. In particular Andreas...
View ArticleClik here to view.
PineTab Linux Tablet will have an Optional RTL-SDR Expansion Module
The PineTab is an upcoming $100 open source Ubuntu Linux Tablet being created by PINE who are known for their low cost Pine64 single board computers, Pinebook Laptop and Linux based PinePhone. The...
View ArticleThe YouLoop Passive Loop Antenna Reviewed on HF Reception
Thank you to Robin from the "Frugal Radio" channel on YouTube for submitting his latest video which is a review of the Airspy YouLoop antenna that we currently have for sale on our store for $34.95...
View ArticleRussian YouTuber Compares the RTL-SDR Blog V3 against the ColibriNano on HF
Over on YouTube a Russian language channel called "HAM Radio Channel" has uploaded a video that compares our RTL-SDR Blog V3 against a ColibriNano. While the video is narrated in Russian, it is easy to...
View ArticleClik here to view.
A Hydrogen Line Radio Telescope made from a Homemade Helical Antenna and RTL-SDR
Thank you to Geoff for submitting his experience with creating a hydrogen line radio telescope out of an easy to build helical antenna, Raspberry Pi, LNA and an RTL-SDR. The Hydrogen Line is an...
View ArticleYouTube GNU Radio Tutorials for Windows 10
Thank you to YouTuber M Khanfar for submitting news about his various Windows GNU Radio tutorials that he has been uploading to YouTube. So far he's uploaded tutorials on creating an FM Receiver, Air...
View ArticleMonitoring for Storm Warnings with an RTL-SDR
Over on YouTube the "Unboxing Tomorrow" channel has uploaded a video explaining how he uses RTL-SDR dongles to monitor various radio channels for storm warnings. He notes how he uses his RTL-SDR to...
View ArticleTechminds: Testing out the new Plugins Feature on SDRuno V1.4 RC1
Earlier in the month SDRplay released SDRuno V1.4 RC1. This is a beta version that amongst other changes now has the capability to run "plugins". Plugins allow developers to easily create modules that...
View ArticleClik here to view.
Building a Motorized Hydrogen Line Radio Telescope with a DIY Horn Antenna,...
Just on the back of yesterday's post about a helical antenna Hydrogen line radio telescope, we have another submission. This telescope is a bit more advanced as it consists of a large motorized horn...
View ArticleClik here to view.
QO-100 Bullseye TCXO Ultra Stable LNB Now Available in our Store for $29.95...
Back in March we posted about Othernet's release of their "Bullseye" TCXO ultra stable LNB for receiving QO-100 and other Ku-Band satellites. We have decided to now offer these for sale on our store as...
View ArticleClik here to view.
OpenWebRX directory SDR.hu has now shut down
OpenWebRX was first developed by Andras Retzler and is and open source program that allows users to make RTL-SDRs, KiwiSDRs and other SDRs accessible over the internet via a web browser. Recently the...
View ArticleTechminds: Building a V-Dipole for Weather Satellite Reception
A new video showing how to build a V-dipole for weather satellite reception has been uploaded over on the Tech Minds YouTube channel. A V-dipole isa dipole antenna arranged in a 120 degrees "vee"...
View ArticleClik here to view.
Using ADS-B Exchange to Track Police and Military Aircraft Monitoring the...
During the recent George Floyd BLM protests police and military aircraft have been playing a large part in the surveillance of protestors. All these aircraft are required to transmit ADS-B which of...
View Article