Obviously works best when you use hot air! Mike R. K. Brumback wrote:
> > > “it is only certified to work on mountains up > to 9,000 “ > > The trick here is to add more air to the inside of the duplexer as the > air becomes thinner the higher you go. I suggest you drill and tap each > can and adapt it to a tire valve if possible. Be careful when drilling > that now metal shavings get inside the can and short things out. > > Randy > > KI4BQN > > > >> I am looking for an wanting to buy a Phelps Dodge or >> Celwave Model PD497-1 2 Mtr Duplexer. It was >> originally built by Phelps Dodge and then later by >> Celwave and RFS. >> >> This Duplexer has 1 db of insertion loss and has 100 >> db of isolation and operates on a 600 khz TX/RX split. >> This is a BpBr type of Duplexer. >> >> I called the manufacture and it has been discontinued. >> I guess they have not sold enough of them to keep them >> in their production line. >> >> We want to use it on our 146.20-80 repeater that is >> located on a 10,000 Ft Mountain Top in Southern Utah. > > > > If anyone has one or a comparable 2 Mtr duplexer for > > sale, then please contact me directly. > > > > Thank You, > > > > John, K7JL > > > > [EMAIL PROTECTED] <mailto:k7jl%40yahoo.com> > > 801-268-5819 > > 801-455-3019 > > > > > > __________________________________________________ > > Do You Yahoo!? > > Tired of spam? Yahoo! Mail has the best spam protection around > > http://mail.yahoo.com <http://mail.yahoo.com> > > > > > > > > > > > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > > > > > > > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.1.394 / Virus Database: 268.10.3/394 - Release Date: 7/20/2006 > > > -- > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.1.394 / Virus Database: 268.10.3/394 - Release Date: 7/20/2006 > 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/
