And who do you suppose builds this roller inductor? See: http://www.surplussales.com/RI-40.html 73, Jim, KH7M -- FAQ on WWW: http://www.contesting.com/ampsfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.contesting.com/km9p/search.htm