On 15 Oct 2010, at 12:15, David Ferrington, M0XDF wrote: > is there a WSPR for Mac? Allegedly, it's possible to compile and build the executable for OSX from the source code at berlios.de. See http://physics.princeton.edu/pulsar/K1JT/devel.html I don't know of any other pre-built applications. 73 Jonathan G0DVJ --