Hi John,
Happy New Year. If money is an issue, go to your local radio shop and see if they have an old DB or Sinclair antenna laying around. Most likely they will. Mike Mullarkey K7PFJ 6886 Sage Ave Firestone, Co 80504 303-954-9695 Home 303-954-9693 Home Office & Fax 303-718-8052 Cellular _____ From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of JOHN MACKEY Sent: Saturday, January 09, 2010 9:50 PM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Repeater Rebuild Project Input The GP9 I used on the repeaters was on a hill that was about 900 feet elevation. The problems didn't seem to make any difference regardless if the user was 2 miles out or 10 miles out. I can not recommend a GP9 for UHF. ------ Original Message ------ Received: Sat, 09 Jan 2010 11:20:21 AM PST From: n...@no6b.com <mailto:no6b%40no6b.com> To: Repeater-Builder@ <mailto:Repeater-Builder%40yahoogroups.com> yahoogroups.com Subject: RE: [Repeater-Builder] Repeater Rebuild Project Input > At 1/8/2010 23:39, you wrote: > >I used a Comet GP9 for about 2 years on a 444 Mhz repeater, then connected a 2 > >meter repeater to it. The 2 meter system performed FAR better than the UHF > >system. Both repeaters were nearly identical in performance otherwise, the GP9 > >simply performed much better on 2 meters. > > The GP9 does have significant nulls below the horizon on 440, so if your > repeater was on a mountain & you were trying to access it close-in, it > would appear to perform much worse than on 2 meters, where the gain is lower. > > The only GP9 I have on a mountain is used for TX only, so I don't care > about the close-in coverage. At 15 miles away the main lobe hits the ground. > > Bob NO6B > >
