QuestaSDR - powerful and flexible, cross-platform Software Defined Radio Application (SDR). Built-in scheduler architecture provides integrate plugins, plugins kits and multi - UI. Typical applications are DXing, Ham Radio, Radio Astronomy and Spectrum analysis.

QuestaSDR Start Activity

Supported Operating Systems

  • Windows 7, Windows 8, Windows 10
  • Android KitKat, Lollipop, Marshmallow, Nougat, Oreo

System Requirements

  • The software was developed and tested on Windows 10 64 bit, KDE neon LTS 5.8, and Android 4.4 KitKat, Android 7.0 Nougat. It may also work on Windows 7 and Windows 8, 10 32-bit, but this cannot be guaranteed.

Radio Hardware

  • HPSDR Metis v1 protocol
  • HiQSDR
  • AirSpy R1/R2, AirSpy mini, SpyVerter
  • AirSpy HF (ExtIO Plugin)
  • RTLSDR Dongle via USB and TCP
  • SDRPlay (ExtIO Plugin)
  • Any hardware supported ExtIO plugin
  • Simple sound card qsd receivers with a fixed frequency oscillator (QuRX Xtall)

Main features

  • RX and TX mode (beta)
  • LAN Remote
  • WEB Remote
  • Dark, Ligth, Universal, Material application style
  • Wide band and IF spectrum view
  • Many spectrum settings (FFT size, waterfall FPS and color theme)
  • AM/SSB/CW/NFM/WFM demodulator
  • Noise Treshold squelch
  • Frequency manager
  • Record and playback RF IQ files, record AF WAV files
  • Samplerate, frequency, level and iq disbalance calibrate
  • Supported IF-adapter, upconverter, downconverter hardware
  • Keyboard shortcuts
  • SoundCard SDR device support LO control fixed frequency or ExtIO plugin
  • CAT control
  • VAC

Licencing & Legal

This software is available free of charge only for hobby users such as radio amateurs and radio enthusiasts. Commercial and government users must should contact me to discuss terms of use.

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