Minimal set of files required to build the WSPR decoder by Joe Taylor, K1JT and Steve Franke, K9AN.

The original sources can be found at:

  https://sourceforge.net/p/wsjt/wsjtx/ci/master/tree/lib/wsprd

A brief description of the WSPR protocol can be found at:

  https://wsjt.sourceforge.io/wsjtx-doc/wsjtx-main-2.7.0.html#WSPR_PROTOCOL

This WSPR decoder is mainly used with the WSPR application for the Red Pitaya board:

  http://pavel-demin.github.io/red-pitaya-notes/sdr-transceiver-wspr