All The high pwr 2M filter was originally publisheh by AF9Y, Mike Cook. Have got a copy of the article, and will publish it here, when I have corrected meass. type error , if any interest ? We are several HPWRs who have great pleassure of it !! VY 73 + MX mas OZ5IQ, Kim (OZ5IQ at privat.dk) . * CW - for those who WISHES PERSONAL weak signal work *