http://www.kongsfjord.no/ Check out the "Dallas files" for preamplifier information. He is a good guy. Frank WA1GFZ -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openhpsdr.org/pipermail/hpsdr-openhpsdr.org/attachments/20100323/823c94cf/attachment-0002.htm>