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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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      • Air and Marine
        • 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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  • Guide Book
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Yearly Archives: 2026

  • Touchstone Networks in Terminals (TNT): Visualize Touchstone S-Parameter Files in Terminal ASCII January 7, 2026
  • Mykola: A New Fast Multichannel Scanner Application for RTL-SDR, Airspy and HackRF January 7, 2026
  • SDRSharp Frequency Manager Python Application January 7, 2026
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Recent Posts

  • FliteGrid: A Crowdsourced Drone Detection Network That Pays Feeders US$50 A Month
  • OnAir: A Digital TV and DAB Decoder for SDRs
  • ESP32-SDR: Turbo Mode Throughput Improvement + Real I/Q Output
  • esp32-sdr-trx: Use an ESP32-S3 as a Receiver for SDR++ and as an FM/SSB Voice Transmitter on 13cm
  • ESPsoup: Turn an ESP32-C5 into a 2.4 & 5 GHz Pocket Scanner with a Connected Phone or PC

Recent Comments

  • meta image on CaribouLite Crowd Funding Launched: A $119 30-6000 MHz 13-bit 2.5 MHz Bandwidth TX/RX SDR Hat for the Raspberry Pi: “The device offers impressive versatility for various users, from makers to researchers, with its dual-channel capabilities and broad frequency range.…” Oct 9, 14:59
  • anon on OnAir: A Digital TV and DAB Decoder for SDRs: “I agree that the (RTL-)SDR space is becoming full of AI slop. It is really sad that so many new…” Oct 9, 14:31
  • jeff on OnAir: A Digital TV and DAB Decoder for SDRs: “complete rubbish with dvb-t. It has a 20+db SNR and still says quality 0% and won’t decode anything further than…” Oct 9, 11:33
  • The cruicifier on FliteGrid: A Crowdsourced Drone Detection Network That Pays Feeders US$50 A Month: “my thoughts: 6767676766767767” Oct 9, 02:34
  • Micha on Exploring Russian and International Analog TV From Leaky Cable TV Networks via the Airspy Server Network: “Juhuu🤗” Oct 8, 21:30
  • Micha on Exploring Russian and International Analog TV From Leaky Cable TV Networks via the Airspy Server Network: “Das ist Bitter….die Airspy.com Seite und mit ihr auch die SpyserverStatus-Map sind down… Hoffentlich nur vorübergehend….sonst stirbt mein Hobby….😥 That’s…” Oct 8, 16:27
  • Matt on FliteGrid: A Crowdsourced Drone Detection Network That Pays Feeders US$50 A Month: “Help the government surveil even more? Thuck fat!” Oct 8, 13:36

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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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