About 275 - 280 feet. Chuck
----- Original Message ----- From: "Laryn Lohman" <[EMAIL PROTECTED]> To: <Repeater-Builder@yahoogroups.com> Sent: Monday, November 26, 2007 10:39 PM Subject: [Repeater-Builder] Re: Repeater Antenna Choice > Chuck, how far vertically above the portables would that 420-style > antenna have been, considering the hills in the area, etc. > > Laryn K8TVZ > > > --- In Repeater-Builder@yahoogroups.com, "Chuck Kelsey" <[EMAIL PROTECTED]> > wrote: >> >> We had a DB-420 style antenna (actually it was made by Signals, but > it was folded-dipole design) on our UHF repeater at work. We were > constantly having difficulty with portables being able to hit and hold > the repeater and they were no more than 1/2 mile out. The local > M/A-Com shop kept saying "too much antenna." We changed it out to a > DB-408 and the problem was corrected. We are in rolling hills and the > antenna was about 70' above ground level at a water tank. I plotted > the antenna pattern against topographic map data and discovered that > the portables were in some deep nulls with the higher-gain antenna. >> >> > > > > > > > Yahoo! Groups Links > > > >
