It's fixed....had a new send_morse routine (now takes up to 1023 chars to transmit) and missed putting a sleep in the main loop. With 32 cores here the 3% usage didn't really pop out at me.
New 64-bit DLL https://www.dropbox.com/s/snmkzu8eif89yqs/libhamlib-4.dll?dl=0 New Linux shared library https://www.dropbox.com/s/p905wjymw3t0ys0/libhamlib.so.4.0.6?dl=0 Mike W9MDB _______________________________________________ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel