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August 10, 2026

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The RTL-SDR Blog V4L (Lite)

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The RTL-SDR Blog V4L (Lite)

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Recent Posts

Marine VHF Scanner: A General Purpose Narrowband Receiver and Scanner for the RTL-SDR
LakeShark: P25 Phase 1, FM, POCSAG, ADS-B and Sub-GHz with an RTL-SDR on the LilyGO T-Display P4 (ESP32-P4)
Automating Indoor RF Heatmapping with a PlutoSDR, Raspberry Pi 5 and LiDAR SLAM
InjectEave: Eavesdropping on Headphones by Injecting a Carrier and Listening to the Modulated Retransmission
Bluewatch: Detecting new Bluetooth Devices in your Neighbourhood via a Raspberry Pi

Recent Comments

Fabio on Marine VHF Scanner: A General Purpose Narrowband Receiver and Scanner for the RTL-SDR: “A version of this program for aviation frequencies would be great!” Sep 22, 23:13
[email protected] on Submit a Story/Contact: “Downloaded and opened Airspry, but once closed I cannot find access to the app. Where is it or how do…” Sep 22, 20:11
Jimmy - Sweden on Marine VHF Scanner: A General Purpose Narrowband Receiver and Scanner for the RTL-SDR: “I would like to upgrade the GUI to a more modern look. Is it possible to get the Python code…” Sep 22, 09:05
crocodile on Testing WSPR HF Propagation with a Raspberry Pi 3B+ and TAPR Shield Running WsprryPi: “I love how much can be achieved with a Raspberry Pi 3B+, the right software, and a carefully filtered signal.…” Sep 22, 02:56
edyasia on Marine VHF Scanner: A General Purpose Narrowband Receiver and Scanner for the RTL-SDR: “anyone trigger antivirus too??? Trojan:Win32/Wacatac.B!ml in CSV-Channel-Edit.exe” Sep 21, 22:04
Rik137 on Submit a Story/Contact: “Hello RTL-SDR Team! We are students from VIT Bhopal University working on OSAD, a high-altitude scientific balloon project. We already…” Sep 20, 11:20
Sam on SDR–: A Software-Defined Radio Application with Visual Signal Path: “It’s really great software, very intuitive, useful features and fun name too ^^” Sep 20, 09:30

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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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