rtl-sdr.com RTL-SDR (RTL2832U) and software defined radio news and projects. Also featuring Airspy, HackRF, FCD, SDRplay and more.

  • Radio Analyser: New Program for Plotting DSDPlus Statistics
    by admin on 11th December 2019 at 8:20 am

    Thank you to Matthew Cowley for submitting news about his new program called "Radio Analyser". Radio Analyser is a program that imports DSDPlus radio and group files into a postgresql database. The data can then graphed on the web interface allowing you to view talk group and radio statistics. DSDPlus is a program that can be used […]

  • Reprogramming a €15 USB Audio Dial to work as an SDR VFO Knob
    by admin on 11th December 2019 at 7:49 am

    Thank you to Tysonpower (aka Manuel DO5TY) for submitting information about how he's managed to convert a cheap €14.33 USB audio control dial into a VFO tuning knob for use in SDR programs like SDR-Console V3. He writes: I sometimes miss a VFO Knob while using my SDRs, especially with SSB Signals or CW where […]

  • Experimenting with an Ultrasonic Sensor Connected to an Airspy HF+
    by admin on 10th December 2019 at 4:01 am

    Software defined radios can have many more applications other than just radio. For example, it's possible to connect an ultrasonic sensor which outputs a waveform at some frequency above DC directly to the input of an SDR. We can then simply treat the sensor output as an RF signal, and view it in any SDR compatible […]

  • SignalsEverywhere: The Ethics of Decoding and Sharing Private Information with SDRs
    by admin on 10th December 2019 at 3:17 am

    Over on the SignalsEverywhere YouTube Corrosive has uploaded a new video that addresses the ethics about decoding private information with SDRs. The radio spectrum is full of private communications with little to no security around it. For example hospital pagers in many countries and cities are completely unencrypted and easily decoded by anyone who can run […]

  • Tech Minds: LoRa Text Chat with Two Othernet Dreamcatcher Boards
    by admin on 10th December 2019 at 2:22 am

    Back in the middle of last year we posted about Othernet's Dreamcatcher hardware and the LoRa chat application. The Dreamcatcher is Othernet's receiver and computing platform that is designed for receiving their satellite data broadcast. It is currently available for US$79. Although the Othernet datacast is one way receive only, the Dreamcatcher board uses a LoRa […]

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