I have had the opportunity to check the db408 with an Anritsu, the antennas seem to have very low VSWR at 442.4, 447.1, 453.4 and the best at 459.8...I don't see why these wont work great throughout the band. Lance N2HBA ----- Original Message ----- From: "Paul Finch" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Monday, April 30, 2007 8:10 AM Subject: RE: [Repeater-Builder] DB420 performance?
> Eric, > > I am using a commercial (450-470 split) antenna at 500 feet and it works > great. Be sure and tighten all screws, nuts and clamps and seal all > connections before putting it in the air. > > Paul > > > > -----Original Message----- > From: [email protected] > [mailto:[EMAIL PROTECTED] On Behalf Of kk2ed > Sent: Sunday, April 29, 2007 9:21 PM > To: [email protected] > Subject: [Repeater-Builder] DB420 performance? > > Good Evening, > > I have a site with a PD455-5 at 400ft that has failed me after 10 years of > service. The reflected power has risen to about 10% of the forward power, > and coverage is drastically reduced. > > Rather than installing another PD455-5 (which will most likely fail in > another 10 years due to the fact that it is top mounted without a support > brace at the top), I was considering a folded dipole array. > I hear that the DB420 is no longer made for the 440-450 split. Can I use > a > 450-470 split antenna at 443MHz without seeing any noticable > performance degredation? > > Is it worth the extra money switching to the DB420? > > Also, I have considered using a PD-1151. Has anyone done any real- world > comparison between the 10db PD455 and the 8db PD1151? > > > Thanks > Eric > KE2D > > > > > > > > Yahoo! Groups Links > > > > > > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.467 / Virus Database: 269.6.2/779 - Release Date: 4/28/2007 > 3:32 PM > > > No virus found in this outgoing message. > Checked by AVG Free Edition. > Version: 7.5.467 / Virus Database: 269.6.2/780 - Release Date: 4/29/2007 > 6:30 AM > > > > > > > > > > Yahoo! Groups Links > > > > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/Repeater-Builder/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> 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/

