At 6/21/2009 14:43, you wrote:
Tony,
Most UHF mobile notch-only flatpack duplexers will work fine below 50 watts
at a 5 MHz split- but their performance rapidly deteriorates when operated
outside of their stated band limits. For example, a commercial-band mobile
duplexer that was manufactured to
Likewise, I also have used the 6 section flat mobile UHF duplexers in a few
situations and they seem to met specs.
-- Original Message --
Received: Wed, 24 Jun 2009 07:54:30 PM PDT
From: n...@no6b.com
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] Mobile Duplexer
At 03:46 PM 6/21/2009, you wrote:
Just a double-check question. I'm thinking of buying a UHF mobile
duplexer to use with my repeater at home. Since I'll only be running
30 watts, any opinions if this is a bad idea?
Ladies and gentlemen - we are at DEFCON 5...
Larry Wagoner - N5WLW
VP -
: [Repeater-Builder] Mobile Duplexer for 30W repeater ok?
At 03:46 PM 6/21/2009, you wrote:
Just a double-check question. I'm thinking of buying a UHF mobile
duplexer to use with my repeater at home. Since I'll only be running
30 watts, any opinions if this is a bad idea?
Ladies
Tony,
Most UHF mobile notch-only flatpack duplexers will work fine below 50 watts
at a 5 MHz split- but their performance rapidly deteriorates when operated
outside of their stated band limits. For example, a commercial-band mobile
duplexer that was manufactured to operate in the 450-470 MHz
. Again,
I'm talking about UHF.
Chuck
WB2EDV
- Original Message -
From: Eric Lemmon wb6...@verizon.net
To: Repeater-Builder@yahoogroups.com
Sent: Sunday, June 21, 2009 5:43 PM
Subject: RE: [Repeater-Builder] Mobile Duplexer for 30W repeater ok?
Tony,
Most UHF mobile notch-only flatpack
: Sunday, June 21, 2009 3:17 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Mobile Duplexer for 30W repeater ok?
I have used the mobile duplexers on uhf systems under 40 watts with
satisfactory results. Small and usually can be had new for under 300.00
- Original
I know of a TKR-820 on 444.225/449.225 with one of those cellwave mobile
duplexers and it works just great. The antenna is a 1992 vintage db-420 at
around 290' with around 310' of LDF5-50A (7/8) andrew heliax feeding it. They
are thinking of replacing the TKR-820 with a 100w Mastr II , but then
- Original Message -
From: Repeater-Builder@yahoogroups.com Repeater-Builder@yahoogroups.com
To: Repeater-Builder@yahoogroups.com Repeater-Builder@yahoogroups.com
Sent: Sun Jun 21 15:46:48 2009
Subject: [Repeater-Builder] Mobile Duplexer for 30W repeater ok?
Just a double-check
Michal Smialowski wrote:
Repeater Builder
I have been working on a duplex link which is running about 3 watts. I have
a couple of mobile duplexers with four reject cavities.
One end of the link will be a remote mountain top unit. I get about 70db of
reject of the transmit frequency on
Mike,
What band is this link on, and what RX-TX separation is used?
73, Eric Lemmon WB6FLY
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com] On Behalf Of Michal Smialowski
Sent: Wednesday, February 04, 2009 7:57 AM
To:
At 02:27 PM 4/18/2005 -0400, you wrote:
Anyone have any info on a Phelps Dodge mobile duplexer model 638-509. It
has 4 cans, 2 for tx and 2 for rx.
Are they Bp, Br or what? Any data would help
---Most mobile duplexers of this type are notch only types. And with only
4 cavities, chances are it
Laryn Lohman wrote:
Tuning a TFE6030 duplexer. I am aware that the high/low arrangement
of frequencies should normally remain the same. However this unit has
three cavities (helicals?) on what was the TX (higher I believe) side,
and only one cavity on the RX (lower) side. For the ham band the
T.J. wrote:
I acquired a Phelps Dodge 636 3/3 mobile duplexer tuned for TX freq.
of 163.8xxx and a RX freq. of 167.5xxx. What I was wondering was if
this could be tuned down into the ham band with any success for a
mobile repeater using some hand held radios. I was looking in my
Tessco
, October 18, 2004 3:45 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Mobile Duplexer Question
T.J. wrote:
I acquired a Phelps Dodge 636 3/3 mobile duplexer tuned for TX freq.
of 163.8xxx and a RX freq. of 167.5xxx. What I was wondering was if
this could be tuned down
15 matches
Mail list logo
