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AntRunner: Testing A Low Cost Satellite Antenna Rotator
Weather satellites that transmit HRPT give you high resolution uncompressed images of the earth. With an SDR, L-band feed, 60 cm or larger satellite dish and LNA+filter these images can be received by...
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The SDRSharp ListenInfo Plugin
SDR# is a popular software defined radio program that is compatible with RTL-SDR, Airspy and several other SDR devices. One feature is the ability for third parties to develop plugins for the software....
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Tech Minds: Building a Low Cost VHF/UHF Antenna from Copper Tape
In his latest YouTube video Matt from Tech Minds shows how to build extremely low cost antennas out of copper tape. Rolls of copper tape are commonly found very cheaply in garden stores as slug barrier...
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SDRangel Now Available on Android: Mobile ADS-B, AIS, APT, Digital Voice,...
SDRangel is a free open source software defined radio program that is compatible with many SDRs, including RTL-SDRs. SDRAngel is set apart from other programs because of it's huge swath of built in...
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RTL-SDR Blog V3 with Dipole Antenna Set back in stock at Amazon USA (New...
Just a quick note to say that our RTL-SDR Blog V3 with Dipole Antenna Set is now back in stock at Amazon USA! This set includes the new black dongle enclosure design. The RTL-SDR Blog V3 dongle by...
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SIGpi: A Signal Intelligence Focused Linux “Go-Kit”
Thank you to Joe NE2Z for sharing his Linux distribution called SIGpi. SIGpi is an installable Linux distribution for Ubuntu and Raspberry Pi 3/4 that focuses on providing multiple open source SDR...
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Conference Presentation on SDR Radio for Hackers and Nosy Nellies
At last years F-Con Jim Gatwood presented a talk titled "SDR Radio for Hackers and Nosy Nellies". The two hour talk has recently been uploaded to YouTube and covers the basics of software defined radio...
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YouTube Satellite Decoding Series
Over on YouTube @dereksgc has been putting together a comprehensive video series on weather, amateur and other satellite reception. His series starts with receiving images from NOAA APT satellites,...
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rtl_433 ported to ESP32 microcontrollers with CC1101 or SX127X Transceiver Chips
Receiving wireless sensors operating in the unlicensed ISM band has been made almost universal with rtl_433 and RTL-SDRs. However, recently rtl_433 has been ported over for use on ESP32...
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The Meteor M2 LRPT Weather Satellite has Failed
Meteor M2 is a Russian meteorological satellite whose LRPT transmissions at 137 MHz were relatively easily received by anyone with a simple satellite antenna and an RTL-SDR and computer. Meteor M2 was...
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ADS-B Exchange Acquired by Private Firm JETNET
Today news has come out that ADS-B Exchange (ADSBx) founder Dan Streufert has sold ADSBx to a private firm called JETNET for (an estimated) $20 million. Dan was the sole owner of ADSBx, and after the...
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Arinst Dreamkit V2D Reviewed by Fenu-Radio
Back in August of 2021 we posted about the release of a Russian made portable software defined radio receiver called the "Arinst Dreamkit V1D". The Arinst SDR consists of a portable LCD screen and...
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Slovenian whistleblower who was convicted for reporting a flaw in Police...
Back in May 2016 we posted about Dejan Ornig, a then 26 year old student at the University of Maribor's Faculty of Criminal Justice, Slovenia who was almost imprisoned for using an RTL-SDR and finding...
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Transmitting radio waves without power
Researchers have discovered a way to transmit information wirelessly without power, simply by opening an closing a switch that connects a resistor to an antenna. This effect does not violate any...
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AirNav Systems Launch AIS Aggregator ShipXplorer.com
AirNav Systems are behind the RadarBox ADS-B tracking aggregator, one of several companies that use data obtained by volunteers running RTL-SDR dongles to collect ADS-B flight data from all over the...
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Tech Minds: Demonstrating RTL_433 Running on ESP32 Devices
Earlier in the month we posted about how rtl_433 has been ported to ESP32 devices that are combined with CC1101 or SC127X transceiver chips, such as the low cost LILYGO LoRa 32 boards available on...
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SOCORAD32 Now Crowd Funding: ESP32-based Walkie-Talkie with Data Communication
Back in May of 2022 we posted about SOCORAD32 which at the time was pre-announced for future crowd funding. A few days ago Crowd Funding begun and already it's goal has been reached. The project is...
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Using a PlutoSDR as a Monopulse Tracker
Over on YouTube Jon Kraft has been uploading videos explaining some interesting beamforming experiments he's been doing with his PlutoSDR. One experiment shows how to create a DIY monopulse tracker,...
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SARCTRAC Mk3b: A $290 Satellite Antenna Rotator
In January we posted about the AntRunner, which is a $325 (incl. shipping) satellite antenna rotator shipped from China. Recently we've come across another low cost satellite rotator from Australia...
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Tech Minds: Testing an RTL-SDR Wideband Scanner with WebUI
Over on YouTube Matt from the Tech Minds YouTube channel has put up a video demonstrating an open source program released on GitHub called "RTL SDR Scanner", or "rtl-sdr-scanner-cpp". This program is...
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