Monthly Archives: March, 2010

Linux SDR – Setting Up a Sound Server

For a few reasons, rather than program the sound card directly I’ve decided to work with JACK (the Jack Audio Connection Kit).  First, it provides a well defined interface and framework that hides the complexity of working directly with the sound card.  Second, there is a lot of software out there written to interface with …

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Linux SDR – Configuring the Sound

At their core, software defined radios like the Elektor SDR and SoftRock are sampled detectors operating at 4x the frequency of interest.  The output of the detector consists of two audio streams containing in-phase and quadrature (I-Q) components of the RF signal which are fed to the PC sound card input through the left and …

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Linux SDR – Intro

Recently I’ve gotten interested in software defined radio (SDR) and and decided to purchase one of the Elektor Software Defined Radios (SDRs)  While there are other SDRs available out there (e.g., the SoftRock), I chose the Elektor receiver since it covers from 150 kHz to 30 MHz and is relatively inexpensive (~$156 shipped to the …

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Tabula Candida

Doodles of a distracted historian

rtl-sdr.com

A blog about RTL-SDR (RTL2832) and cheap software defined radio

DuWayne's Place

Computers, Electronics, and Amateur Radio from KC3XM

QRP HomeBuilder - QRPHB -

Computers, Electronics, and Amateur Radio from KC3XM

Open Emitter

Computers, Electronics, and Amateur Radio from KC3XM

Ripples in the Ether

Emanations from Amateur Radio Station NT7S

m0xpd's 'Shack Nasties'

Computers, Electronics, and Amateur Radio from KC3XM