A Software-Defined Radio for the Masses, Part 1, 2, 3 and 4 by Gerald Youngblood K5SDR

The original 4 (four) articles written by Gerald Youngblood, K5SDR,  Founder, CEO  and President of Flex-Radio Systems entitled  "A Software-Defined Radio for  the masses" and first published at ARRL's QEX in Jul/Aug;  Sep/Oct;  Nov/Dec 2002/ and Jan/Feb 2003.

In furthering the non-profit, educational and informative purpose of the SDR (Software Defined Radio) Users Discussion Group we are pleased to re-publish these important articles:

QEX Jul/Aug 2002, pp. 13-21
This series describes a complete PC-bases, software-defined radio that uses a sound card and an innovative detector circuit.

QEX Sep/Oct 2002, pp. 10-18

QEX, Nov/Dec 2002, pp. 27-36

QEX, Mar/Apr 2003, pp. 20-31