Jeff DePolo wrote:
I took a quick look at them, and what stands out like a sore thumb is 1.6 db
insertion loss with a 150 watt power rating. That means they'll be
dissipating close to 50 watts in such a small package. Doesn't give me a
warm and fuzzy feeling...
I was just quoting the sales flyer. I agree that the bandpass curve has
the typical knee shaped bandpass curve instead of the bell shaped
curve for what I would call a bandpass duplexer. The only real
application that I can see for these duplexers would be a mobile
installation that is
AM
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
I was just quoting the sales flyer. I agree that the bandpass curve has
the typical knee shaped bandpass curve instead of the bell shaped
curve for what I would call a bandpass duplexer. The only real
application that I can see
Hi Eric,
First thanks you for pointing me to the manuals and Don for the NHRC Tuning
site.
Eric the combination numbers are MC74AAU33A. They came from a trucking
company and I think they are on 47.XXX. I am taking over the Wellsville
53.090 Repeater as the original owner is re-locating. He has a
Message -
From: James Cicirello
To: Repeater-Builder@yahoogroups.com
Sent: Monday, July 05, 2010 12:54 PM
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
Hi Eric,
First thanks you for pointing me to the manuals and Don for the NHRC Tuning
site.
Eric the combination
That's why base stations have 250 - 300w where mobiles are 100.
On 07/05/2010 12:20 PM, Chuck Kelsey wrote:
Jim -
My experience with 6-FM is that you are going to have a much harder
time hearing the repeater than getting in to it. The noise encountered
in a mobile environment
: Monday, July 05, 2010 9:54 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
Hi Eric,
First thanks you for pointing me to the manuals and Don for the NHRC Tuning
site.
Eric the combination numbers are MC74AAU33A. They came from a trucking
-Builder@yahoogroups.com Repeater-Builder%40yahoogroups.com
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
Hi Eric,
First thanks you for pointing me to the manuals and Don for the NHRC Tuning
site.
Eric the combination numbers are MC74AAU33A. They came from a trucking
company and I think
, 2010 5:19 PM
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
Hi Again Eric,
When you get a chance will you look at these duplexers and give me your
opinion?
http://www.radiodata.com/fiplex/products/PDFs/DHV05.pdf
The duplexer I got with the repeater is the Model DHV-0544
, July 05, 2010 9:54 AM
To: Repeater-Builder@yahoogroups.com Repeater-Builder%40yahoogroups.com
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
Hi Eric,
First thanks you for pointing me to the manuals and Don for the NHRC
Tuning
site.
Eric the combination numbers are MC74AAU33A
@yahoogroups.com
Sent: Monday, July 05, 2010 5:36 PM
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
Good thoughts Chuck.
I never thought about the two patterns.
I have to check and make sure I have your Freq. programmed into my mobile.
73 JIM KA2AJH
On Mon, Jul 5
...@yahoogroups.com] On Behalf Of James Cicirello
Sent: Monday, July 05, 2010 4:19 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
Hi Again Eric,
When you get a chance will you look at these duplexers and give me your
opinion?
http://www.radiodata.com/fiplex
@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of James Cicirello
Sent: Monday, July 05, 2010 2:19 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] MASTR II LOW BAND TUNING
Hi Again Eric,
When you get a chance will you look at these duplexers and give me your
The spec sheet shows them to be bandpass/band reject.
From the document:
These duplexers utilize six high Q (helical)
resonant cavities, interconnected in a band pass-band
reject configuration which allows close spaced
transmit-to-receive frequency operation.
Joe
On 7/5/2010 6:33 PM, Chris
Yes, my error.
I had the old DB products on the brain.
=]
Kb0wlf
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Joe
Sent: Monday, July 05, 2010 6:18 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] MASTR II LOW BAND
that these
duplexers perform as advertised.
73, Eric Lemmon WB6FLY
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Joe
Sent: Monday, July 05, 2010 4:18 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] MASTR II LOW
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Eric Lemmon
Sent: Monday, July 05, 2010 8:02 PM
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] MASTR II LOW BAND TUNING
I see what the sales
...but it sure gives THEM a warm feeling!
73,
Paul, AE4KR
- Original Message -
From: Jeff DePolo
To: Repeater-Builder@yahoogroups.com
Sent: Monday, July 05, 2010 8:08 PM
Subject: RE: [Repeater-Builder] MASTR II LOW BAND TUNING
I took a quick look at them, and what stands
Jim,
Perhaps you are not aware that Repeater-Builder has a huge index of General
Electric manuals. Just look at any Description Maintenance manual for a
low-band radio to get the tuning instructions. Since you did not specify
exactly which low-band radio you have, any of these LBIs will
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