vintageaudio2004 [EMAIL PROTECTED] wrote:
The above is a bpbr duplexer, not a pre-selector. You
No, the TPCP-1546C is a preselector, take a look:
http://www.telewave.com/pdf/TWDS-2006.pdf
I think you are confused with the TPRD-1546C which is
indeed a duplexer.
Actually what pops up is
--- In Repeater-Builder@yahoogroups.com, skipp025 [EMAIL PROTECTED] wrote:
vintageaudio2004 [EMAIL PROTECTED] wrote:
as a first step we will be ordering the Telewave
TPCP-1546C preselector, it has 6 cavities and has a pretty
good looking skirt (-80db @ 4MHz down).
The above is a
vintageaudio2004 [EMAIL PROTECTED] wrote:
Took the weekend off, needed to get away from this
stuff for a while, was starting to get dizzy with
so much info coming and going all over.
We understand... did the same thing here.
We decided to go in steps and see if things work out, and
if
Hi Skipp,
Took the weekend off, needed to get away from this stuff for a while,
was starting to get dizzy with so much info coming and going all over.
--- In Repeater-Builder@yahoogroups.com, skipp025 [EMAIL PROTECTED] wrote:
You should not be thinking less than 8 poles, maybe even
more and
--- In Repeater-Builder@yahoogroups.com, skipp025 [EMAIL PROTECTED]
wrote:
I've had DCI make a number of repeater window filters for me.
It took a bit of time on the phone with Sean to find out what
they could do vs what trade offs I would allow in the specs.
The end result UHF 10 pole
--- In Repeater-Builder@yahoogroups.com, Kris Kirby [EMAIL PROTECTED] wrote:
http://www.google.com/search?as_q=num=10hl=enbtnG=Google+Searchas_epq=as_oq=as_eq=lr=as_ft=ias_filetype=pdfas_qdr=allas_occt=anyas_dt=ias_sitesearch=motorola.comsafe=images
Just add the word you want to that query and
At 8/12/2005 08:57 AM, you wrote:
I can imagine it was a bit of a pain to make, but glad to hear is
humming along nicely now. both your positive comments on DCI, and
their prompt and helpfull responses actually made me want to include
them in our short list of possible solution providers. You
vintageaudio2004 [EMAIL PROTECTED] wrote:
Ralph from DCI suggested either a 4-pole or an 8-pole
filter. Here's a link he sent, and I must say that it
looks pretty good.
http://www.dci.ca/html_commercial/graph_158-4-8_wo219.htm
You should not be thinking less than 8 poles, maybe even
Hi,
Thank you very much for you very detailed explanations. They are very
helpful. Bellow please find some responses to your message.
--- In Repeater-Builder@yahoogroups.com, nj902 [EMAIL PROTECTED] wrote:
--- In Repeater-Builder@yahoogroups.com, vintageaudio2004
[EMAIL PROTECTED] wrote:
As
vintageaudio2004 [EMAIL PROTECTED] wrote:
Hi,
Thank you very much for you very detailed explanations.
They are very helpful. Bellow please find some responses
to your message.
Believe it or not, some of us live for this stuff.
nj902 [EMAIL PROTECTED] wrote:
As Skipp indicated -
On Thu, 11 Aug 2005, vintageaudio2004 wrote:
Thanks for the excellent explanation. It would be nice to be able to
have a look at some of those /\/\ white papers.
From Decibel's description DB-228...
A high-gain, broadband antenna for 138-174 MHz, the 8-dipole DB228
combines
two DB224E offset-pattern antennas to provide a 9 dBd gain omni or
a 12 dBd
gain offset horizontal pattern. Both DB224E antennas are mounted
with the ends together,
and the
Hi Skipp,
Was hoping for the rest of your comments (after lunch), but in the
mean time here are some responses to this first set. Thanks.
Alex
--- In Repeater-Builder@yahoogroups.com, skipp025 [EMAIL PROTECTED] wrote:
I'd probably Cut the repeater power output
down a bit. Since you have narly
--- In Repeater-Builder@yahoogroups.com, vintageaudio2004
[EMAIL PROTECTED] wrote:
...SYSTEM DESCRIPTION ...Just as a refresher...
... a Sinclair RM201-112S1B RX Multicoupler fitted with a BP
Preselector (with 1MHz pass-band, and factory tuned to 165.625),
a Hi Level Bipolar preamp(Angle Linear
Hi Milt,
Thank you very much for your comets and suggestions, they are very
apreciated. So as to save group bandwidth, Kindly please see my reply
to Skipp's message, as it also deals with the antennas.
http://groups.yahoo.com/group/Repeater-Builder/message/53034
Alex
--- In
I get to stick my neck out first again...
I've cut out mucho and added some comments.
... 6 Motorola MTR2000 100W repeaters,
I'd probably Cut the repeater power output
down a bit. Since you have narly antenna gain,
I'd probably back the repeaters down to 80
watts to possibly improve the
Hi Skipp,
Thanks for your reply. At the moment we had to return to Caracas and
left the system operating with just one traffic channel, plus the
control channel. The customer said that at the moment usage will be
very light, and only a single user group will be active. So not much
operational
Note: apologies if this is message ends up as a duplicate posting.
Just sent the original over an hour ago and it still has not shown up
on the listing.
==
Hi Skipp,
Thanks for your reply. At the moment we had to return to Caracas and
left the system operating with just one
--- In Repeater-Builder@yahoogroups.com, skipp025 [EMAIL PROTECTED]
wrote:
The obvious first task would be to run the frequencies
through one of the IMD calc programs and see what mix
hits you end up with for the frequencies in use.
Hi Skipp,
Yes we had purchased the Intermodulation
skipp025 wrote:
Jim B. [EMAIL PROTECTED] wrote:
Just for everyone on the list, the idea of higher
channels on a trunked system being less used only
applies to LTR systems, where everyone is assigned
a 'home channel', and you only go to another channel
if that's in use.
Never say
Hi Skipp,
Thank you very much for your very informative message, and you seem to
be right on. I just went trough it quickly and will reread it again
shortly in order to send you some specific answers. But in the mean
time please allow me to send you a copy of some information about
tests we have
The obvious first task would be to run the frequencies
through one of the IMD calc programs and see what mix
hits you end up with for the frequencies in use.
vintageaudio2004 [EMAIL PROTECTED] wrote:
Bellow please find the copy of said message.
So this morning I completely disconnected
Jim B. [EMAIL PROTECTED] wrote:
Just for everyone on the list, the idea of higher
channels on a trunked system being less used only
applies to LTR systems, where everyone is assigned
a 'home channel', and you only go to another channel
if that's in use.
Never say never... I've seen
--- In Repeater-Builder@yahoogroups.com, skipp025 [EMAIL PROTECTED] wrote:
I've had some time to think about your VHF Tx/Rx
trunking system problems. It appears from a distance
you bought a turnkey system put together from
Commercial Antenna Combiner System Packages (ie
the typical Tesco
No problem Alex, you should normal up the system
and route the output of tx 6 to another lower test
antenna through/from its respective combiner bp
cavity before the N-way box ( cap the unused box
port). Don't forget to disable the rx system preamp.
I was an FTR for big M Radio
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