I guess I've been lucky also. I use a Comet 4160 Diplexer for 2 meters & 440 MHz. But I take it apart & modify it for case mounted N connectors & re-inforced solder points. Also, I use it for 80 watts VHF & 40 watts UHF.
------ Original Message ------ Received: Mon, 14 Nov 2005 10:33:02 AM CST From: Ken Arck <[EMAIL PROTECTED]> To: [email protected] Subject: Re: [Repeater-Builder] Diplexer for UHF/VHF Repeating... > Guess I've been lucky so far then. 5 years and going strong > > But I will keep a watchful eye out! > > Ken > > > At 09:59 AM 11/14/2005 -0500, you wrote: > > I have found that most amateur band couplers or "diplexers" > >do not seem to operate well in full duplex 100 watt 2x environments > >for very long. In RX systems, is one thing, but under long TX power > >keys they seem to heat up and dis-assemble themselves internally. The > >commercial versions from folks like TX/RX are well rated for > >continuos duty of repeater application. Actually I have had several > >amateur versions fail over the years, but the commercial ones live > >through most anything but water and lightening.... > > > >Doug > >KD8B > > > >At 09:47 AM 11/14/2005, you wrote: > > > >>At 01:14 PM 11/14/2005 -0000, you wrote: > >> > >> >I know that this has been asked before, but does anyone know of a > >> >commercial diplexer with a higher power rating so that one can use one > >> >dualband antenna at the repeater site for both a VHF and UHF repeater. > >> > >><----While I don't use a dualband antenna, I do use a pair of Comet > >>diplexers at one of my sites, so I only need one run of hardline up a 170' > >>tower. Obviously one at the repeater end and another at the top of the > tower. > >> > >>As I remember, it is rated for 200 watts. The repeater (UHF), delivers 75 > >>watts out of the duplexer and the 2 meter remote base radio delivers 60 > >>watts. I've had no problems with the arrangement in over 5 years. > >> > >>Ken > > > > > > > > > > > > > > > >Yahoo! Groups Links > > > > > > > > > > > > > > > ------------------------------------------------------------------------------ > President and CTO - Arcom Communications > Makers of state-of-the-art repeater controllers and accessories. > http://www.ah6le.net/arcom/index.html > We offer complete Kenwood TKR repeater packages! > We are now an authorized Telewave Dealer! > AH6LE/R - IRLP Node 3000 > http://www.irlp.net > > > > > > Yahoo! Groups Links > > > > > > > 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/
