I confirm running two tone IMD tests with the compressor turned on trashes the IMD from Penny. Many TNX. Feank WA1GFZ -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/attachments/20120129/6ebe9686/attachment-0003.htm>