Re: [Repeater-Builder] Re: Isolator Loss

2009-05-18 Thread Joe
I think that you better consider putting harmonic filters on your repeaters. Doing the math, your 2nd harmonics fall on 294.00MHz and 294.45MHz. A quick search on the Internet shows that the US Air Force has a frequency allocation of 291.800 to 296.650MHz. The least that you should do is che

Re: [Repeater-Builder] Re: Isolator Loss

2009-05-17 Thread NORM KNAPP
e no issues. No one else on tower. Nearest repeater is probably at least 10 miles away. 73 de N5NPO Norman Knapp - Original Message - From: Repeater-Builder@yahoogroups.com To: Repeater-Builder@yahoogroups.com Sent: Sun May 17 09:23:25 2009 Subject: RE: [Repeater-Builder] Re: Isolat

RE: [Repeater-Builder] Re: Isolator Loss

2009-05-17 Thread Eric Lemmon
NORM KNAPP Sent: Saturday, May 16, 2009 10:42 AM To: Repeater-Builder@yahoogroups.com Subject: RE: [Repeater-Builder] Re: Isolator Loss Kinda OT, but not entirely 1) What does the isolator do, and why would I need one? 2) I work for a Kenwood dealer. Kenwood has admitted to our company that

Re: [Repeater-Builder] Re: Isolator Loss

2009-05-17 Thread Joe
You better check for harmonics. You probably need a harmonic filter. What frequency is your repeater on? Joe offtrack wrote: > Do not, just the Isolator then the Telwave TPRD 1556 Pass-Reject Duplexer. > > Scott > KB7DZR >

RE: [possible spam] RE: [Repeater-Builder] Re: Isolator Loss

2009-05-16 Thread Eric Lemmon
NORM KNAPP Sent: Saturday, May 16, 2009 10:42 AM To: Repeater-Builder@yahoogroups.com Subject: Re: [possible spam] RE: [Repeater-Builder] Re: Isolator Loss Kinda OT, but not entirely 1) What does the isolator do and why would I need one? 2) I work for a Kenwood dealer. Kenwood has

Re: [possible spam] RE: [Repeater-Builder] Re: Isolator Loss

2009-05-16 Thread Chuck Kelsey
Go here: http://www.repeater-builder.com/antenna/ant-sys-index.html for a boatload of info, including isolators. Chuck WB2EDV - Original Message - From: "NORM KNAPP" To: Sent: Saturday, May 16, 2009 1:41 PM Subject: Re: [possible spam] RE: [Repeater-Builder] Re: Iso

Re: [possible spam] RE: [Repeater-Builder] Re: Isolator Loss

2009-05-16 Thread NORM KNAPP
@yahoogroups.com To: Repeater-Builder@yahoogroups.com Sent: Sat May 16 11:02:44 2009 Subject: [possible spam] RE: [Repeater-Builder] Re: Isolator Loss Do you have a low pass filter after the isolator? 73 Gary K4FMX > -Original Message- > From: Repeater-Builder@yahoogrou

RE: [Repeater-Builder] Re: Isolator Loss

2009-05-16 Thread Gary Schafer
Do you have a low pass filter after the isolator? 73 Gary K4FMX > -Original Message- > From: Repeater-Builder@yahoogroups.com [mailto:Repeater- > buil...@yahoogroups.com] On Behalf Of offtrack > Sent: Saturday, May 16, 2009 11:19 AM > To: Repeater-Builder@yahoogroups.com > Subject: [Repe