I have a 217 filter(500hz. 9mhz) and a 218 filter(1.8K 9mhz) for sale. $63 each shipped in lower 48. Email or call at 281-495-1121. Jack WN5A -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com Search: http://www.contesting.com/km9p/search.htm