[DSTAR_DIGITAL] Re: Repeater stack

2010-04-21 Thread ErnestK
The real problem with using an amateur grade antenna is that you think it's working fairly well. You just don't know how well it's really supposed to work with a proper antenna. Sort of like a digital repeater that has some desense. You think it's working and that digital just doesn't quite

[DSTAR_DIGITAL] Re: Repeater stack

2010-04-20 Thread ErnestK
You can use a dual band antenna with a dipelxer and duplexers on each band but there are trade-offs. When we first put up W6DHS, we were using a dual band Comet 11dbi on 2 meters. We replaced the two meter side with a DB Products dipole array 6dbd. We measured a 15db signal increase over

Re: [DSTAR_DIGITAL] Re: Repeater stack

2010-04-20 Thread Nate Duehr
On Apr 20, 2010, at 6:59 PM, ErnestK wrote: You can use a dual band antenna with a dipelxer and duplexers on each band but there are trade-offs. When we first put up W6DHS, we were using a dual band Comet 11dbi on 2 meters. We replaced the two meter side with a DB Products dipole array