AB9IL.net: Topic: Software Defined Radio

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Here is the list of postings I have written about software defined radio. Quadrature sampling detectors, direct sampling radios, predistortion techniques are all on deck. The WebSDR and KiwiSDR lists are pretty popular, so I have moved them to the top of the list below. Enjoy these, and come back soon as I will be posting more.

Airband Radio on the RTL-SDR
How to maximize RTL-SDR performance for aeronautical comms.

Skywave Linux v5.0 Released 2024/01/30
The new Skywave Linux update is now based on Rolling Debian Sid...
KiwiSDR 2 Project Announcement
Details of the new (rekindled and improved) KiwiSDR Kickstarter project....
RTL-SDR Blog v4 SDR Announcement
The new RTL-SDR Blog v4 dongle raises the bar for performance of the...
Public KiwiSDR Lists
Public lists of OpenWebRX servers are available. If you use internet SDRs, keep these radio servers listed in...
Live Internet SDR Server List
Internet SDR Servers for shortwave radio - the best KiwiSDR and WebSDR...
Skywave Linux Updated to ver 4.2
The dev comments on the Skywave Linux update to version 4.2...
RTL-SDR Software Defined Radio
RTL-SDRs: how to set them up and how well the RTL-SDR works. This...
Software Defined Radio - An Introduction
Introductory discussion of software defined radio. How software defined radios differ from hardware radios....
Reducing RF Noise with Common Mode Chokes
Hear the weak signals better by removing common mode noise on your...
Malachite Mini SDR
The Malachite SDR is a SoftRock radio on steroids....
How to Record from WebSDR and OpenWebRX Sites
Tips and for suggestions for making audio and screen recordings from WebSDR and OpwnWebRX sites....
Programmatic RTL-SDR Frequency Claibration
A script for calibrating RTLSDR frequency PPM offset....
ADALM-PlutoSDR
Information on the ADALM-PlutoSDR and how to install supporting software in Debian, Ubuntu, or Linux Mint....
Skywave Linux
Skywave Linux quick description and link to main site....
CubicSDR
Installing and using CubicSDR for RTL-SDR radio monitoring. In 2024,...
QS1R Communications Receiver
Using the QS1R direct sampling software defined radio communications receiver....
Chaining SDR Audio Interfaces
How to connect multiple soundcards in Linux for software defined radios....
FLEX-6000 Software Defined Radio
Description of FLEX-6000 HF Software Defined Radio...
WebSDR Digimode Reception
Digital radio modes (PSK-31, MT63, OLIVIA, RTTY) reception on WebSDR pages...
Jack Audio and Flash
Enabling Flash support in Jack Audio...
ALSA / PulseAudio Audio Processing
How to use LADSPA for real-time audio processing for amateur radio, general purpose, or home theater computers...
Chaining SDR Audio Interfaces
How to connect multiple soundcards in Linux for software defined radios....
Skywave Linux Updated to ver 4.1
The dev comments on the Skywave Linux update to version 4.1...
ATS-909 Modification and Alignment
ATS-909 / DX-398 shortwave receiver - making it better with alignment and circuit modifications....
ATS - 909 Alignment Procedure
ATS-909 / DX-398 shortwave receiver - accurate oscillator alignment...
ATS-909: Finding Trimmers and Aligning with Spectrograms
Calibrating ATS-909 / DX-398 shortwave receiver...



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