-62 does seem a tad high. Describe the duplexer...
On Wed, May 19, 2010 at 6:29 PM, Atlantis <[email protected]> wrote: > > > Hi > > In the attached picture you see the notch of the 70cm duplexer I built > according to W4NFR's description in QEX, those who can't receive attachments > find it here: > > http://conturafm.mine.nu/_fh/438.95_notch.bmp > > The measurement has been made with both cavities of one branch connected > with a true quarter wavelength jumper of RG58 because I had no > double-shielded cable available. > > Can anybody tell me why the notch is this blurred and what can be done > about it? The isolation would be a bit better if the notch was a clear sharp > line, isn't it? > > Regards > Martin > >
