Re: [Repeater-Builder] Re: LMR Cable

2010-03-08 Thread Nate Duehr
On Mar 7, 2010, at 4:46 PM, Larry Horlick wrote: > So in a "duplex" application, if the supply of the better cable is limited, > it's better to use it on the rx side? I think other folks have said this as well, but the answer is... if the supply of the right kind of cable to do the job is limi

Re: [Repeater-Builder] Re: LMR Cable

2010-03-08 Thread Larry Horlick
> [mailto:Repeater-Builder@yahoogroups.com] > On Behalf Of Larry Horlick > Sent: Sunday, March 07, 2010 3:25 PM > To: Repeater-Builder@yahoogroups.com > Subject: Re: [Repeater-Builder] Re: LMR Cable > > What is the difference between real and un-real RG214? And what is the > problem

RE: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Eric Lemmon
this Group. 73, Eric Lemmon WB6FLY -Original Message- From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of Eric Lemmon Sent: Sunday, March 07, 2010 3:05 PM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Re: LMR Cable Nope

RE: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Jeff DePolo
> What is the difference between real and un-real RG214? There are some non-mil-spec RG214 varients out there. Sometimes they are labeled as "RG214 TYPE", or "RG214 Commercial". These typically have double braid like "real" RG214, but unlike "real" RG214, the braids are bare copper instead of

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Chuck Kelsey
I believe that the real problem is that the center conductor is solid. A slight nick in it will eventually cause it to break due to cable flexing fatigue at the weak point. RG-400 is often used instead and has a stranded center conductor. Chuck WB2EDV - Original Message - Spec RG-1

RE: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Eric Lemmon
m] On Behalf Of Larry Horlick Sent: Sunday, March 07, 2010 2:55 PM To: Repeater-Builder@yahoogroups.com Subject: Re: [Repeater-Builder] Re: LMR Cable Any problems with RG-214 or RG223 for duplexers/multi-couplers/combiners? lh On Sun, Mar 7, 2010 at 5:50 PM, Dan Saputo mailto:dan17...@yaho

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Dan Saputo
wrote: From: Larry Horlick Subject: Re: [Repeater-Builder] Re: LMR Cable To: Repeater-Builder@yahoogroups.com Date: Sunday, March 7, 2010, 6:46 PM   So in a "duplex" application, if the supply of the better cable is limited, it's better to use it on the rx side? On Sun, M

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Larry Horlick
he thin plating to fracture off creating duplex noise. i've > personally not had this problem but it is a documented issue. > > Dan > k8plw > > --- On *Sun, 3/7/10, Larry Horlick * wrote: > > > From: Larry Horlick > Subject: Re: [Repeater-Builder] Re: LMR Cable &g

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Dan Saputo
42 has a silver-plated steel center conductor.  repeated flexing can cause the thin plating to fracture off creating duplex noise.  i've personally not had this problem but it is a documented issue.   Dan k8plw --- On Sun, 3/7/10, Larry Horlick wrote: From: Larry Horlick Subject:

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Dan Saputo
t: Re: [Repeater-Builder] Re: LMR Cable To: Repeater-Builder@yahoogroups.com Date: Sunday, March 7, 2010, 5:54 PM   Any problems with RG-214 or RG223 for duplexers/multi- couplers/ combiners? lh On Sun, Mar 7, 2010 at 5:50 PM, Dan Saputo wrote:   well-documented and caused main

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Larry Horlick
com > > To: Repeater-Builder@yahoogroups.com < > Repeater-Builder@yahoogroups.com > > Sent: Sun Mar 07 16:54:30 2010 > Subject: Re: [Repeater-Builder] Re: LMR Cable > > > > Any problems with RG-214 or RG223 for duplexers/multi-couplers/combiners? > > l

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread NORM KNAPP
Norm - Original Message - From: Repeater-Builder@yahoogroups.com To: Repeater-Builder@yahoogroups.com Sent: Sun Mar 07 16:54:30 2010 Subject: Re: [Repeater-Builder] Re: LMR Cable Any problems with RG-214 or RG223 for duplexers/multi-couplers/combiners? lh On Sun, Mar 7, 2010 at 5:50 PM, Dan S

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Larry Horlick
t > degrades. Although not as big of a problem with lmr due to an insulating > layer over the actual foil. beware of belden 9913 and lmr look-alikes. > trouble when used duplex. > > Dan > k8plw > > --- On *Sun, 3/7/10, Chuck Kelsey * wrote: > > > From: Chuck Kelsey &g

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Dan Saputo
.  trouble when used duplex.   Dan k8plw --- On Sun, 3/7/10, Chuck Kelsey wrote: From: Chuck Kelsey Subject: Re: [Repeater-Builder] Re: LMR Cable To: Repeater-Builder@yahoogroups.com Date: Sunday, March 7, 2010, 4:56 PM   Passive Intermod. In other words, it tends to be a source in which intermod

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Chuck Kelsey
Passive Intermod. In other words, it tends to be a source in which intermod can be generated easily. Chuck WB2EDV - Original Message - From: "rffun" To: Sent: Sunday, March 07, 2010 3:33 PM Subject: [Repeater-Builder] Re: LMR Cable > > What exactly do you mean by PIM ? > rffun >

Re: [Repeater-Builder] Re: LMR Cable

2010-03-07 Thread Bill Smith
Passive Intermodulation. Things like rusty hardware or disimilar metals can cause it in the presence of RF. From: rffun To: Repeater-Builder@yahoogroups.com Sent: Sun, March 7, 2010 2:33:33 PM Subject: [Repeater-Builder] Re: LMR Cable What exactly do you mea

Re: [Repeater-Builder] Re: LMR cable

2007-05-24 Thread Chuck Kelsey
Yes, that was my point. Many of these cables do not experience flexing or weather changes, yet exhibit the problems anyway. Chuck - Original Message - From: "Laryn Lohman" <[EMAIL PROTECTED]> To: Sent: Thursday, May 24, 2007 7:45 AM Subject: [Repeater-Builder] Re: LMR cable > --- I

Re: [Repeater-Builder] Re: LMR cable Q:

2007-01-29 Thread Gary
ok, what's the paper called? Is it posted on MOL? If so, what folder is it in? Gary Joe wrote:  Motorola also put out a white paper on braid-over-foil cable and pointed out it's problems in a duplexed system.  They did not specifically name LMR cable, but it was obvious that they were talking abo

Re: [Repeater-Builder] Re: LMR cable Q:

2007-01-29 Thread Joe
Motorola also put out a white paper on braid-over-foil cable and pointed out it's problems in a duplexed system. They did not specifically name LMR cable, but it was obvious that they were talking about it and others. Joe At 10:48 PM 1/29/2007 +, you wrote: Andrew has a technical paper