From: Davies, Doug A FOR:EX [EMAIL PROTECTED]:
I have been having a heck of a time getting my Q202G to tune to 146.xxx. It
was originally set up for 163.xxx and, of course, the plunger rods were cut
off to fit a cabinet. After lengthening the rods, I still couldn't get a
proper notch. Asking
There always seems to be one in every group. I'm aware of coaxial
velocity and how to calculate that. However, that in itself does not
provide the answer to the question. Once one determines the velocity
factor for the coax being used, he can calculate different electrical
wavelengths of the
Tune them each seperatly and then replace the cables with the correct
electrical length using the velocity factor math.
Davies, Doug A FOR:EX wrote:
I have been having a heck of a time getting my Q202G to tune to 146.xxx. It
was originally set up for 163.xxx and, of course, the plunger rods
Duplexer to Radio Set cabling lengths can be optimized by the method
from this article and downloaded PDF file from Wacom:
http://www.repeater-builder.com/rbtip/gtm.html
Kevin Custer
Oh, and by the way.. Lets stop the name calling and other such BS, or
you'll find yourself no longer receiving
Again, the correct length for coax between the duplexer and the tx/rx is
the minimum length that will reach between the two.
--
Jim Barbour
WD8CHL
Davies, Doug A FOR:EX wrote:
I have been having a heck of a time getting my Q202G to tune to 146.xxx. It
was originally set up for 163.xxx
Kevin Custer
Oh, and by the way.. Lets stop the name calling and other such BS, or
you'll find yourself no longer receiving email from this particular
list.
Thanks
Thanks Kevin,
Yahoo! Groups Links
* To visit your group on the web, go to:
THANK YOU!
73 Russ, W3CH
- Original Message -
From: NØATH [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Tuesday, March 30, 2004 11:18 AM
Subject: Re: [Repeater-Builder] Duplexer Cable Legnth
Kevin Custer
Oh, and by the way.. Lets stop the name calling and other
Hi Kevin:
I get a 404 error when I tried to download the Wacom PDF document.
Is it just me?
Regards,
Micheal Salem N5MS
Norman, Oklahoma
Kevin Custer wrote:
Duplexer to Radio Set cabling lengths can be optimized by the method
from this article and downloaded PDF file from Wacom:
Me too...
LJ
Original Message:
-
From: Micheal Salem [EMAIL PROTECTED]
Date: Tue, 30 Mar 2004 12:11:22 -0600
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Duplexer Cable Legnth
Hi Kevin:
I get a 404 error when I tried to download the Wacom PDF document
Jim,
You made my day,
Thanks,
Steve NU5D
Again, the correct length for coax between the duplexer and the tx/rx is
the minimum length that will reach between the two.
--
Jim Barbour
WD8CHL
Yahoo! Groups Links
* To visit your group on the web, go to:
Micheal Salem wrote:
Hi Kevin:
I get a 404 error when I tried to download the Wacom PDF document.
Is it just me?
The link was broken. Please refresh:
http://www.repeater-builder.com/rbtip/gtm.html
Kevin
Yahoo! Groups Links
* To visit your group on the web, go to:
Jim,
There is no single, universal formula for calculating the cable length,
simply because the cables are only part of the circuit. The lengths of
the loops or probes that are inside the cavities must be included, and
it does make a difference whether loops or probes are used. Also, many
:38 PM
Subject: RE: [Repeater-Builder] Duplexer Cable Legnth
Where did you find (what is) the formula for jumpers from the duplexer
to the transmitter and receiver?
N7HQR
Yahoo! Groups Links
Yahoo! Groups Links
* To visit your group on the web, go to:
http
, 2004 6:38 PM
Subject: RE: [Repeater-Builder] Duplexer Cable Legnth
Where did you find (what is) the formula for jumpers from the duplexer
to the transmitter and receiver?
N7HQR
Yahoo! Groups Links
Yahoo! Groups Links
Yahoo! Groups Links
Daron J. Wilson wrote:
Is there a formula to calculate the cable legnth between duplexer
cans? I find reference to the formula for the cable legnth coming
from the duplexer to the TX-RX, but not between the cans.
Where did you find (what is) the formula for jumpers from the duplexer
to the
I have been having a heck of a time getting my Q202G to tune to 146.xxx. It
was originally set up for 163.xxx and, of course, the plunger rods were cut
off to fit a cabinet. After lengthening the rods, I still couldn't get a
proper notch. Asking around, I was told that I would have to change out
Are these Band pass, Band Reject? or Pass only?
Changing the cables will help alot since you are 20 MHz off. You would have an
easier time if your cans were in the 150-155 MHz range.
But a good way to be sure is to just test one cavity by its self and see if you
can make spec at your
Is there a formula to calculate the cable legnth between duplexer
cans? I find reference to the formula for the cable legnth coming
from the duplexer to the TX-RX, but not between the cans.
I have a duplexer from a Mastr II UHF which I think is a Decibel
DB4072 as it looks identical to several
Is there a formula to calculate the cable legnth between duplexer
cans? I find reference to the formula for the cable legnth coming
from the duplexer to the TX-RX, but not between the cans.
Where did you find (what is) the formula for jumpers from the duplexer
to the transmitter and receiver?
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