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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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        • ADS-B Aircraft Radar
        • ACARS Decoding
        • AIS Ship Tracking
        • Decoding Weather Balloons
      • Satellite
        • NOAA Weather Satellites
        • Meteor-M Weather Satellites
        • GOES 16/17 and GK-2A Weather Satellite Tutorial
        • Inmarsat STD-C NCS EGC Decoding
        • Decoding and Plotting GPS
        • Decoding HRPT Weather Satellite Images
      • Terrestrial
        • P25 P1 Digital Voice Decoding
        • P25 P2 Decoding with OP25
        • Trunked Radio Following
        • POCSAG Pager Decoding
        • TETRA Voice Decoding
        • 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
        • Hydrogen Line Galactic Radio Astronomy
      • Other
        • Measuring Filter Characteristics & VSWR
        • SpyServer Tutorial
        • Using the V3 Bias Tee on PiAware
        • Properly Positioning a Preamp/LNA
    • Product Reviews
      • SDRs
        • Airspy HF+ Review
        • Airspy vs. SDRplay vs. HackRF
        • SDRplay RSP1A
        • SDRplay RSP2
        • FlightAware ADS-B RTL-SDR
        • Outernet Dreamcatcher
        • LimeSDR Review
        • LimeSDR Mini
        • ThumbNet N3
        • Airspy Mini
        • PlutoSDR Unboxing
        • PlutoSDR Tests
        • 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
      • Receiving Dead Satellites
      • Listening to SCA Broadcasts
      • Live ADS-B Aircraft Cockpit
      • 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
  • Signal ID Wiki
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Monthly Archives: June, 2025

  • Open-Source 0.1–3 GHz Network Analyzer using ADALM Pluto SDR June 4, 2025
  • AEDA: Crowd Sourced RTL-SDR Spectrum Analysis and TDoA Direction Finding Platform June 4, 2025
  • NOAA18 to Begin Decommissioning Steps Immediately June 4, 2025
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Recent Posts

  • Tech Minds: A Review of the Vivid Unit with GPSDR RTL-SDR Module
  • Demonstrating a Rollback Attack on a Honda via HackRF Portapack and an Aftermarket Security Solution
  • Receiving DAB and FM Signals with an RTL-SDR and Engima2 on OpenPLi 9.0
  • A Review of the SunFounder Pironman 5 MAX Raspberry Pi 5 Enclosure
  • SDR-Hub: A New RTL-SDR Scanner and Audio Recorder with Web Interface

Recent Comments

  • John Pork on A Low Cost 2.4 GHz Downconverter from off the Shelf Dev Boards: “Goodluck…” Nov 4, 23:40
  • cody crisp on A Faster Method for Decoding Meteor M2 Weather Satellite Images: “this is 2025 and non of these links work looks down at the last comment 10 years ago ?…………………there are…” Nov 4, 19:33
  • Lars Martin Bjerregaard on SDR-Hub: A New RTL-SDR Scanner and Audio Recorder with Web Interface: “been trying to set it up. But documentation is lacking to an extreme level.” Nov 3, 11:35
  • Dennis Leet on SDR-Hub: A New RTL-SDR Scanner and Audio Recorder with Web Interface: “typical docker container garbage” Nov 1, 03:09
  • Hans on Receiving DAB and FM Signals with an RTL-SDR and Engima2 on OpenPLi 9.0: “Great software. It works fine! It would be even better when you could add an FM of DAB-channel to an…” Oct 30, 14:07
  • admin on Submit a Story/Contact: “Hi, According to the credit card processor the payment was declined by your bank. You will need to get in…” Oct 29, 00:28
  • 俊辰 马 on Submit a Story/Contact: “I just placed an order for a product. The bank shows that the pre-authorization was successful, but the RTLSDR website…” Oct 28, 17:16

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RSS Latest Forum Posts

  • Troubleshooting Help • Re: Quiet FRS reception Through Rtl_fm
  • Signal Identification Help • Re: AM-radio with unstable frequency?
  • Troubleshooting Help • Quiet FRS reception Through Rtl_fm
  • Signal Identification Help • AM-radio with unstable frequency?
  • RTL-SDR Discussion • Blog V4 - force Bias Tee off?

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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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