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A Broad Overview About HF on the RTL-SDR Blog V3
Over on YouTube, Tom the Dilettante has uploaded a video demonstrating how to receive HF signals with an RTL-SDR Blog V3 running in direct sampling mode. This is something already known to most RTL-SDR...
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Raspberry NOAA V2 Edition 2023 Image Released
Thank you to Manuel Lausmann for submitting news about the release of the "Raspberry NOAA V2 Edition 2023" image for Raspberry Pi's. This image has been created by Jochen Köster (DC9DD), and contains a...
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Maverick-603: An Affordable FT8 Receiver with an Open Source RF Chip
The Maverick-603 is a US$149 FT8 receiver based on an open source RF chip design which is capable of acquiring signals between 7 MHz and 70 MHz (technically 1 MHz to 100 MHz). It is currently...
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DEF CON 30 RF Talks: Biohacking, Designing Antennas, Tracking Military Ghost...
DEF CON is a yearly conference with a focus on information security. At this years DEF CON 30 conference various talks on RF related topics were presented. In the past few weeks talks have been...
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uSDR Updated to Version 1.6.0
Thank you to Viol for submitting news about the latest update of his uSDR software. uSDR (aka microSDR) is a lightweight general purpose multimode program for Windows that supports the RTL-SDR, Airspy,...
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KrakenSDR Locates a Repeater Jammer in 1 Hour
Over on YouTubem channel NotaRubicon Productions has uploaded a video describing how a KrakenSDR was used to find the location of a person jamming a repeater site. Amateur radio enthusiasts can utilize...
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Watch Duty: California Wildfire Watch Driven by RTL-SDRs
Over on Hackaday we've seen an interesting post about the non-profit "Watch Duty" wildfire reporting smart phone app for Californians. Several populated regions of California are extremely prone to...
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Tech Minds: Running the SDR++ Multiplatform Server on MacOS, Windows and...
SDR++ is an open source receiver program compatible with most software defined radios including the RTL-SDR that has been going through rapid development making it now one of the top software choices....
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Real Time Speech to Text from Radio Speech via DragonOS, SDR4Space, Mosquitto...
Real time high quality speech to text is now possible with OpenAI's WhisperCPP, a high-performance and open source automatic speech recognition model. In his latest video on YouTube, Aaron demonstrates...
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Tech Minds: Testing a Radiosonde Decoder Plugin for SDR++
In one of his latest YouTube videos, Matt who runs the Tech Minds YouTube channels has posted a demonstration of the Radiosonde decoder plugin for SDR++ called sdrpp_radionsonde. SDR++ is a software...
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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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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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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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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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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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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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