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RTL-SDR (RTL2832U) and software defined radio news and projects. Also featuring Airspy, HackRF, FCD, SDRplay and more.
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        • Decoding HRPT Weather Satellite Images
      • Terrestrial
        • P25 P1 Digital Voice Decoding
        • P25 P2 Decoding with OP25
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        • Analyzing GSM Signals
        • DRM Radio Decoding
        • Decoding 433 MHz ISM Band Weather Stations
      • Single Board Computer
        • QRP (FT8, JT9, WSPR etc) Monitoring Station
        • Performing Replay Attacks with RTL-SDR and RpiTX
      • Radio Astronomy
        • Radio Astronomy Overview
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        • Measuring Filter Characteristics & VSWR
        • SpyServer Tutorial
        • Using the V3 Bias Tee on PiAware
        • Properly Positioning a Preamp/LNA
    • Product Reviews
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        • Airspy HF+ Review
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        • LimeSDR Review
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        • KiwiSDR Review
        • FlightAware Prostick vs Prostick Plus
        • HackRF PortaPack Review
      • SpyVerter Upconverter
      • 9A4QV Folded Monopole ADS-B Antenna
      • FlightAware ADS-B Antenna and Filter
      • Outernet LNA and Patch Antenna
      • moRFeus Review
    • Interesting
      • TEMPEST with SDR
      • Listening to HD Radio
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      • Listening to SCA Broadcasts
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      • Transmitting with a Raspberry Pi
    • Quick Start Guides
      • RTL-SDR QSG
      • V3 Features Users Guide
      • SDRSharp Users Guide
      • PlutoSDR QSG
    • Direct Sampling Mod
    • Roundup of Software Defined Radios
    • KerberosSDR
      • KerberosSDR Quickstart Guide
      • Direction Finding Android Demo
      • Direction Finding Android Tutorial
      • SignalsEverywhere Direction Finding Tutorial
      • Networked Direction Finding
      • Measuring Traffic Volumes with Passive Radar
  • Software
    • RTL-SDR Supported Software
    • List of SDRSharp Plugins
    • Experimental Drivers
      • Experimental HF Driver
      • Manual gain controls and decimation driver
      • ExtIO with Decimation & Tuner Bandwidth Controls
      • Keenerds Driver
      • L-Band Heat Issue Driver
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Monthly Archives: December, 2025

  • DSDPlus Public Release Updated & Fast Lane Changes December 9, 2025
  • rtl_haos: An rtl_433 to Home Assistant Bridge December 2, 2025
  • Frugal Radio: Using a 25 Dollar PC for Decoding with SDRs December 1, 2025
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Recent Posts

  • OpenWXSDR: A Streamlined Automated Multi-Sonde Decoder for Raspberry Pi with RTL-SDR or Airspy
  • Early Development Plans for Flipper One Announced
  • RPITX-UI: A Modernized, Easier to Use Fork of the RPITX Raspberry Pi Transmitter Software
  • No-SDR: A New Open Source Multi-User WebSDR for RTL-SDR
  • sdrrat: An SDR receiver Terminal User Interface for RTL-SDR & HackRF

Recent Comments

  • Lolman on Buy RTL-SDR Dongles (RTL2832U): “This is almost June any updates?” May 26, 18:18
  • John Rogers on Submit a Story/Contact: “airspy window pops up and then immediately disappears with initial start. Help. I have downloaded zadig drivers. Anybody willing to…” May 25, 22:31
  • Ben on RPITX-UI: A Modernized, Easier to Use Fork of the RPITX Raspberry Pi Transmitter Software: “https://www.youtube.com/watch?v=YQbK6oNe3jU&t=13s” May 25, 16:19
  • khamenei4ever on Early Development Plans for Flipper One Announced: “ai genned marketing photo, theyre not even trying anymore also mediatek lmao” May 23, 11:31
  • Abrsm on Early Development Plans for Flipper One Announced: “Please add my idea to the top of the list on X I’m called GAME CAPTURE. I’ve sent a photo…” May 22, 21:38
  • Ihar Yatsevich on RPITX-UI: A Modernized, Easier to Use Fork of the RPITX Raspberry Pi Transmitter Software: “Hi F5OEO, Thank you very much for your kind words. It means a lot, especially coming from the original author…” May 22, 19:54
  • Micha on RTL-SDR Blog V4 End Of Line: “Das schreibt Heise online.. ://www.heise.de/news/RTL-SDR-V4-eingestellt-Beliebter-SDR-Stick-erreicht-das-Aus-11300874.html” May 21, 12:09

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RSS Latest Forum Posts

  • RTL-SDR Discussion • RETIREMENT OF THESE FORUMS - LINK TO NEW FORUMS INSIDE
  • RTL-SDR Discussion • Re: Just curious about my RTL-ADR V 3 dongle
  • RTL-SDR Discussion • Re: Getting tired of the junk posts in this forum
  • RTL-SDR Discussion • Re: Just curious about my RTL-ADR V 3 dongle
  • Troubleshooting Help • Re: RTL-SDR Driver Won't Load

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What is RTL-SDR

The RTL-SDR is an ultra cheap software defined radio based on DVB-T TV tuners with RTL2832U chips. The RTL-SDR can be used as a wide band radio scanner. It may interest ham radio enthusiasts, hardware hackers, tinkerers and anyone interested in RF.
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