http://www.hamuniverse.com/17mcoaxmox.html A quarter wave coax, shorted at the end shows an infinite impedance. Is it possible what is described in the link? David HK1KXA EC5KXA _________________________________________________________________ Discover the new Windows Vista http://search.msn.com/results.aspx?q=windows+vista&mkt=en-US&form=QBRE