Hi, I'm seeking info on building cavity pre-amps for use at V/U frequencies (2m & up). Thanks, Robin Midgett K4IDC 615-322-5836 office - rolls to pager 615-835-7699 pager 615-301-1642 home K4IDC at comcast.net robin.midgett at vanderbilt.edu http://www.people.vanderbilt.edu/~robin.midgett/index.htm