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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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        • Measuring Filter Characteristics & VSWR
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      • moRFeus Review
    • Interesting
      • TEMPEST with SDR
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      • Transmitting with a Raspberry Pi
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      • 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
    • Newer posts
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Recent Posts

  • Guest Post: Listening to the Jet Stream – 100 Days of Wind Sensing with Stock RTL-SDR Hardware
  • Student Arrested in Taiwan for using SDR and Handheld Radios to Halt Four High Speed Trains with TETRA Hack
  • SatDump V2 Image Product Expressions YouTube Tutorial
  • L-Band Weather Imagery Soon Coming Back to Western Europe via Elektro-L3
  • P25-Survey: A Tool for Scanning and Logging P25 Control Channels with an SDR

Recent Comments

  • Dr Matrix on Khanfar Spectrum Analyzer: Signal Analysis Tools for the RTL-SDR: “I examined a bit about khanfar rlt_sweeper. It is .exe file but in real it is a python code which…” May 6, 14:19
  • Sab on Student Arrested in Taiwan for using SDR and Handheld Radios to Halt Four High Speed Trains with TETRA Hack: “He has not caused any safety issue. Only operational delay. He is a young adult. Hire him and coach him…” May 6, 03:44
  • Heja Ali on L-Band Weather Imagery Soon Coming Back to Western Europe via Elektro-L3: “It’s better late than never and many people don’t have access to such dishes.” May 5, 16:11
  • IZ5RZR on L-Band Weather Imagery Soon Coming Back to Western Europe via Elektro-L3: “We’ve been saying this since December 2025, it’s certainly not news. Another thing is that Eumetsat hasn’t turned off HRIT…” May 5, 12:24
  • admin on Submit a Story/Contact: “If you are using the latest SDR#, then the drivers that download during the installation procedure are compatible with the…” May 4, 01:55
  • admin on Submit a Story/Contact: “Hi Elise, you should have gotten an email to the email address you provided. If not, please email [email protected] with…” May 4, 01:54
  • Alex Pettit on Cheap and Easy Hydrogen Line Radio Astronomy with an RTL-SDR, WiFi Parabolic Grid Dish, LNA and SDRSharp: “Hello Lisa, Please review steps 2A-2D There is a link to SDR# w/ IFavg installed .. https://github.com/AP-HLine-3D/HLine3D Please email me…” May 3, 18:27

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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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