No man, 3/4 wave stubs. And about 6 of them. "Coy Hilton" <[EMAIL PROTECTED]> wrote:
> > >IF you plan to make a duplexer for two meters using 1/4 wave stubs >with standard 600Kc split forget it ! Stubs are Great for out of >band filtering but are too broad for use at 600 KC splits. I used a >1/4 wave stub to notch out a 929 MHz paging transmitter located on >the same building with my 2 meter repeater. I was able to get about >42Db of notch with a single stub. > >73 >AC0Y > > >--- In [email protected], [EMAIL PROTECTED] wrote: >> Ok, So you can make some kind of filters by placing a "T" in line >with a piece of equipment and cut the Coax for 1/4 wavelength at the >desired frequency. >> >> But What is the difference between a shorted stub and an open stub? >> >> Also does coaxial size determine bandwidth, and if so does anyone >have a chart of what cable does what? >> >> I am intrested in making a coaxial stub duplexer for 2 meters and >6. My original concept is for 1 1/4" copper tubing for the outter >conductor and 1/2" copper rod for the center. >> >> __________________________________________________________________ >> Switch to Netscape Internet Service. >> As low as $9.95 a month -- Sign up today at >http://isp.netscape.com/register >> >> Netscape. Just the Net You Need. >> >> New! Netscape Toolbar for Internet Explorer >> Search from anywhere on the Web and block those annoying pop-ups. >> Download now at http://channels.netscape.com/ns/search/install.jsp > > > > > > > > >Yahoo! Groups Links > > > > > > > > __________________________________________________________________ Switch to Netscape Internet Service. As low as $9.95 a month -- Sign up today at http://isp.netscape.com/register Netscape. Just the Net You Need. New! Netscape Toolbar for Internet Explorer Search from anywhere on the Web and block those annoying pop-ups. Download now at http://channels.netscape.com/ns/search/install.jsp Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
