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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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        • P25 P1 Digital Voice Decoding
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        • Analyzing GSM Signals
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        • Performing Replay Attacks with RTL-SDR and RpiTX
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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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      • SpyVerter Upconverter
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      • 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: February, 2014

  • RTL-SDR + Upconverter vs. Portable Shortwave Receiver February 10, 2014
  • RTL_FM_Python: An API and web interface for controlling RTL_FM February 4, 2014
  • Building a Homemade LNA for RTL-SDR February 4, 2014
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Recent Posts

  • Scanner Command: Mapping Incidents from Live Radio Calls and ADS-B to Airband Voice with AI
  • Testing Airspy’s New WebSpy Web SDR Interface with an RTL-SDR
  • Building a $50 BOM Software Defined Radio with a HT9201 20 MHz ADC and an FX2LP USB Controller Clone
  • Radio Silence: A Native iOS App for Listening to Public KiwiSDRs
  • TunerScope: A Browser App to Help Optimize HDTV Antenna Positioning with an RTL-SDR

Recent Comments

  • Ellen on L-Band Weather Imagery Soon Coming Back to Western Europe via Elektro-L3: “It’s incredible that a game hidden inside Google Chrome became so popular. The is Dinosaur Game has earned its place…” Aug 5, 09:28
  • Opa on InmarScope: An Inmarsat AERO and STD-C Decoder with Multichannel Decoding and Automatic Call Following: “Hi there thank you making. Because i not have credit card, i try several times contact. No reply. Do you…” Aug 5, 07:50
  • ethan896 on VibeSDR Now Available on the Apple App Store + Running on an Apple Watch: “I’m fascinated by the capabilities of VibeSDR on the Apple Watch! How does it perform compared to traditional setups? I…” Aug 5, 04:42
  • Orv on Cascade-SDR: A Web-Based Multimode Receiver App for RTL-SDR Dongles: “When I run ~/Cascade-SDR$ python3 -m venv .venv && ./.venv/bin/pip install -r requirements.txt I get this error: ERROR: Could not…” Aug 5, 03:48
  • Brett Pollard on Discovery Drive Campaign Now Live!: “Interesting experiment and impressive results for such low-cost hardware. However, one important point seems unclear: the article identifies Simone Spadino…” Aug 4, 04:15
  • Ernest Webster on Testing WSPR HF Propagation with a Raspberry Pi 3B+ and TAPR Shield Running WsprryPi: “Very nice but has anyone got this running under Debian, Ubuntu or Linux Mint on an x86 system? If not…” Aug 4, 04:14
  • Driving Directions on Cascade-SDR: A Web-Based Multimode Receiver App for RTL-SDR Dongles: “Thanks for posting this. I appreciate it. Perhaps because of the PWM audio you mentioned, I couldn’t listen to this…” Aug 4, 04:13

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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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