If anyone's interested in a copy of "Single Sideband Priciples and Circuits", there's one for sale on aBay : http://cgi.ebay.com/aw-cgi/eBayISAPI.dll?ViewItem&item=476786055 This isn't my sale. Phil -- FAQ on WWW: http://www.contesting.com/FAQ/amps Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com