[Repeater-Builder] mobile duplexers

2005-03-28 Thread axe1990
I have what I think is an old vhf mobile phone duplexer. It has four cavities. The cavities are marked with three as TX and one as RX. Can anyone tell me are these all pass type cavities ? Or could any of them be notch type ? This seems to be the common pattern of cavity set-up for these

Re: [Repeater-Builder] mobile duplexers

2005-03-28 Thread Mike Morris WA6ILQ
At 10:12 AM 3/28/05, axe1990 [EMAIL PROTECTED] wrote: I have what I think is an old vhf mobile phone duplexer. It has four cavities. The cavities are marked with three as TX and one as RX. Can anyone tell me are these all pass type cavities ? Or could any of them be notch type ? This seems to be

Re: [Repeater-Builder] Mobile Duplexers

2005-01-15 Thread Mark Holman
, 2005 11:47 AM Subject: Re: [Repeater-Builder] Mobile Duplexers [EMAIL PROTECTED] wrote: Does anyone know if there is even a mobile duplexer made for the 2 meter HAM split? Make? Price? This is for a portable GR 300 repeater. Thank you. Rod KC7VQR No. Can't be done. To get the isolation you

[Repeater-Builder] Mobile Duplexers

2005-01-15 Thread rrath
I would like to thank all of you that replied to my question about mobile duplexer for 2 meter. I thought that was the case, but I had to ask to make sure. You answered my question; not the way I was hoping, but it was answered. Thank you. Rod KC7VQR 444.800 repeater 147.580 remote base

[Repeater-Builder] Mobile Duplexers

2005-01-13 Thread rrath
Does anyone know if there is even a mobile duplexer made for the 2 meter HAM split? Make? Price? This is for a portable GR 300 repeater. Thank you. Rod KC7VQR Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/Repeater-Builder/ * To

RE: [Repeater-Builder] Mobile Duplexers

2005-01-13 Thread Paul Finch
: [Repeater-Builder] Mobile Duplexers Does anyone know if there is even a mobile duplexer made for the 2 meter HAM split? Make? Price? This is for a portable GR 300 repeater. Thank you. Rod KC7VQR Yahoo! Groups Links Yahoo! Groups Links * To visit your group on the web, go

Re: [Repeater-Builder] Mobile Duplexers

2005-01-13 Thread Wade Lake
: [Repeater-Builder] Mobile Duplexers Rod, Sure, they are about 3X3X3 feet and weigh about 45 pounds. Sorry do not mean that to sound sarcastic, 600 KHz is real hard to do in a small package. I am sure it can/could be done but I doubt if anyone could afford it. A week or so back someone

Re: [Repeater-Builder] Mobile Duplexers

2005-01-13 Thread Mark Holman
their input to kerchunk or jam the repeater. M. H. - Original Message - From: Paul Finch [EMAIL PROTECTED] To: Repeater-Builder@yahoogroups.com Sent: Wednesday, January 12, 2005 10:08 PM Subject: RE: [Repeater-Builder] Mobile Duplexers Rod, Sure, they are about 3X3X3 feet and weigh

Re: [Repeater-Builder] Mobile Duplexers

2005-01-13 Thread Jim B.
[EMAIL PROTECTED] wrote: Does anyone know if there is even a mobile duplexer made for the 2 meter HAM split? Make? Price? This is for a portable GR 300 repeater. Thank you. Rod KC7VQR No. Can't be done. To get the isolation you need for the 600Khz split on the 2M ham band, the cavities

Re: [Repeater-Builder] Mobile Duplexers

2005-01-13 Thread russ
Subject: Re: [Repeater-Builder] Mobile Duplexers Wanna read whats really interesting ? Civil Air Patrol uses a offset on this one repeater 140-143 Mhz. area ( Being I cannot really recall the input ) and their Output is 149.XXX Mhz. apparently its either their Bandplan or they have

Re: [Repeater-Builder] Mobile Duplexers

2005-01-13 Thread russ
-Builder@yahoogroups.com Sent: Thursday, January 13, 2005 11:47 AM Subject: Re: [Repeater-Builder] Mobile Duplexers [EMAIL PROTECTED] wrote: Does anyone know if there is even a mobile duplexer made for the 2 meter HAM split? Make? Price? This is for a portable GR 300 repeater. Thank you