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Using an Affordable Optical Encoder as an SDR Tuning Wheel

Thank you to Gerrit (PA3BYA) for writing in and sharing a hardware project he completed that combines an affordable optical encoder and a microcontroller with custom firmware to create a...

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FoxSDR Updates: Node Canvas, Single Map Display, Linux+Android Builds,...

Thank you to wonderingStars for writing in and sharing updates to his FoxSDR software program. FoxSDR is a new AI-coded software that supports all common protocols and SDRs. The first update that...

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RF-Traffic-Monitor: Track Aircraft, Ships, Drones and Radiosondes in One Program

Thank you to Stefanos (Steeod) for sharing a new program he created, "RF-traffic-monitor." Stefanos created this program because he initially wanted to install adsb.im (an ADS-B feeder image that also...

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Echo Pro: KiwiSDR, OpenWebRX, WebSDR and FM-DX iOS Browser App now with Live...

Back in April we posted about the release of Echo, a free iOS app designed for browsing global web-based KiwiSDR, OpenWebRX, WebSDR, and FM-DX software-defined radios. Mark, the developer of Echo, has...

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RTL-SDR Pager: Android App for Receiving and Decoding POCSAG and FLEX Pager...

Thank you to Christian from ebcTech.eu for writing in and sharing with us the release of his new Android app called "RTL-SDR Pager" (Google Play Store link). The app is designed to work with an RTL-SDR...

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Turning a Smartphone’s Speaker Amplifier into a Silent Intentional VHF Morse...

Thank you to Efe Işık (TA1EEI) for writing in and sharing with us his open-source project showing how to turn a modern Android smartphone’s internal Class-D speaker amplifier into a silent, intentional...

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Elektro-L3 Now Drifting West to 14.5°W: L-Band xRIT Could Return to Western...

Back in May, we posted about how Russia's Elektro-L3 geostationary weather satellite was expected to move from 76°E to 14.5°W, which would finally bring an unencrypted L-band LRIT/HRIT downlink over...

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Demod Analyzer: Analyze Digital Modulation (BPSK, QPSK, 16-QAM) in IQ Files

Thank you to Attila Zsellér, who has submitted his latest Python program called "Demod Analyzer". This program is designed for analyzing BPSK/QPSK/QAM16 signals in recorded IQ samples. Atilla writes:...

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Marine VHF Scanner: A General Purpose Narrowband Receiver and Scanner for the...

Thank you to Wolfgang (OE1MWW) for writing in and sharing with us his software called "Marine VHF Scanner". Although its title suggests it's a Marine band scanner, Wolfgang notes that he has since...

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LakeShark: P25 Phase 1, FM, POCSAG, ADS-B and Sub-GHz with an RTL-SDR on the...

Thank you to Samuel Reynolds (aka SAMS0N1TE on GitHub), for writing in and sharing with us his project called 'LakeShark'. LakeShark is firmware for the LilyGO T-Display P4 (an ESP32-P4-based...

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Frugal Radio: A Six SDR Setup with KrakenSDR and SDRplay for ADSB, ACARS,...

Over on YouTube, Rob from the 'Frugal Radio' channel has uploaded a video showing his multi-SDR monitoring setup that consists of a KrakenSDR, SDRplay RSP1A, and a cheap 12-year-old computer. The...

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SDR–: A Software-Defined Radio Application with Visual Signal Path

Thank you to Julian for writing in and sharing with us his interesting project called SDR-- (SDR minus minus). SDR-- is an open-source app that lets you wire devices, decoders, and displays together on...

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AVARE ADS-B Receiver for Android Updated

All the way back in 2014, we posted about Avare ADS-B Receiver, which back then was a simple RTL-SDR ADS-B receiver and map for Android devices. The author of this app, TFL, recently wrote in and...

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FoxSDR: A From-Scratch Software-Defined Radio Receiver for Windows

Thank you to an anonymous contributor (known only as wonderingStars on GitHub) for writing and sharing their project, 'FoxSDR'. FoxSDR is advertised as a 'software-defined radio receiver written from...

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Using a Fruit Fly Brain to Tune an RTL-SDR FM Radio

You may have seen in the news that researchers have recently mapped the brain and nervous system of a fruit fly and digitally simulated it in what they call a 'connectome'. Without additional training,...

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OpenWXSDR Updates: Decoder Improvements and Sondehub.org Uploads

Back in May, we posted about the release of OpenWXSDR, an open-source Python framework that turns one or more RTL-SDR or Airspy SDRs into a fully automated radiosonde ground station running on a...

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GNU Radio World: Browser-Based GNU Radio Flowgraphs

Thank you to Marc Lictman, vice president of GNU Radio, for writing in and sharing with us his new project called "GNU Radio World," which is essentially GNU Radio Companion in a web browser, written...

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VibeSDR Jr: Apple Watch RTL-SDR, KiwiSDR, UberSDR Client now Available

Back in July, we posted about VibeSDR, an AI vibecoded open-source mobile SDR client for rtl_tcp and UberSDR/KiwiSDR/OpenWebRX servers developed for iOS and Android. In that post, Stuart also mentioned...

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KrakenSDR Tested as a GNSS Jammer and Spoofer Localizer

KrakenSDR is our 5-channel coherent software-defined radio designed for applications such as radio direction finding. It was successfully crowdfunded on Crowdsupply back in 2021. We've recently come...

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Carshepherd: An Android RTL-SDR App For the Early Awareness of Nearby...

Thank you to Cees for writing in and sharing his Android app, "Carshepherd," which is currently in the pre-release stage. Carshepherd works with a connected RTL-SDR and TETRA antenna to give drivers...

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