Introducing UltraMSK

MSK modulation Welcome to UltraMSK. UltraMSK is a VLF radio receiver suitable for use in scientific research applications involving the remote sensing of the ionosphere or magnetosphere. UltraMSK measures both the phase and amplitude of MSK modulated narrowband VLF radio signals. UltraMSK is implemented in software and runs on standard PC hardware.


Sample UltraMSK data can be viewed in the Gallery.

Latest News

Nov 2016: Design notes for a portable VLF preamplifier are available.

Installation instructions for Fedora 17 and CentOS 6 are now online.

Binaries are available for Ubuntu

01 Apr 2016