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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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        • 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
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        • 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: July, 2014

  • Receiving and Decoding FLARM (Tracking Gliders, Helicopters etc) using the RTL-SDR July 1, 2014
    • Newer posts
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Recent Posts

  • Build a Cubesat Reviews a Discovery Drive Prototype and Sets up SatNOGS
  • Hacking a Secondhand Marine Satellite Dish to Track Satellites with Gpredict
  • RTL-SDR 433: A New Android App for Decoding 433 MHz Sensors with rtl_433
  • Setting up a MastChain AIS Tracking System
  • Tactical_FSK_Modem: An Open Software MFSK Image & Text Modem for PC and Android

Recent Comments

  • Micha on Exploring Russian and International Analog TV From Leaky Cable TV Networks via the Airspy Server Network: “Istanbul/Turkey Part II The situation has changed. The same SDR is back online intermittently. The Full-IQ mode produces fabulous images,…” Apr 26, 23:26
  • Micha on Exploring Russian and International Analog TV From Leaky Cable TV Networks via the Airspy Server Network: “On January 19, 2025, I discovered an SDR in Istanbul, Turkey, for the first time. There are actually quite a…” Apr 26, 23:05
  • Micha on Exploring Russian and International Analog TV From Leaky Cable TV Networks via the Airspy Server Network: “For a short time, the well-known SDR was online in Crimea/Ukraine. Here’s a small selection of the noisy analog TV…” Apr 26, 22:50
  • dr matrix on RTL-SDR 433: A New Android App for Decoding 433 MHz Sensors with rtl_433: “quite nice but on Android 15 (Samsung Galaxy A15 5G) app occasionally totally freezes and also freezes OS too: start…” Apr 26, 09:50
  • Name on GridDown: An Offline-First Situational Awareness Platform with RTL-SDR, SARSAT, Meshtastic: “GridDown is now Free for your one time payment of $200.” Apr 25, 06:01
  • SarahRose on RTL-SDR 433: A New Android App for Decoding 433 MHz Sensors with rtl_433: “https://github.com/SarahRoseLives/and433” Apr 24, 21:12
  • admin on Submit a Story/Contact: “Hi, we have replied to your email. This appears to have been a warehouse worker packing error, and we will…” Apr 24, 01:42

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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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