M0KGK SDR Page

MØKGK Amateur Radio Pages

M0KGK SDR Page, last updated 2018-11-13

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M0KGK SDR Decoder Software "KGKSDR"

KGKSDR is my attempt at some SDR decoding software. I was putting this software together purely as a learning exercise, to better understand the mathematics behind SDR in general. It seems to have overtaken the original objectives of a back room learning exercise, with quite a number of people using the software around the world.

Features include:

Transmit and receive functions
CW, SSB transmit with receive only for AM and FM
Semi or full breakin operation for CW
Variable filter widths
Spectrum display
DSP functions such as auto notch and noise reduction
Manual or auto calibration for receive
Manual calibration for transmit with high image suppression
RF speech clipper and noise gate for transmit
Recording function
Uses ASIO based soundcards

Jan 2007: Jean-Claude PJ2BVU worked F6KAR over a distance of 7,900 km using CW on KGKSDR with the Softrock40 RX/TX.

On the SDR section of the site we have four areas; Download, Softrocks, Soundcards and Resources. These four areas are supplement by a link to the KGKSDR Yahoo group.

Download allows you to grab a copy of the KGKSDR software to download to your PC. This is normally the very latest version of the software and will appear here first.

Softrocks is the page containing the Softrock receivers and transceivers I use.

Soundcards are crtically appraised on this page - they are one of the crucial components of an SDR system so it's good to know there are good and bad ones.

Resources takes you further afield to other websites which contain information relevant to those using amateur SDR equipment.

KGKSDR Yahoo group takes you to the discussion group for the software. Please report any issues with the software or requests for new features on the group.

Screen shot of KGKSDR software on 40m band

First QSO on Softrock (click for big pic)

VU3WJM demonstrating SDR to eager viewers