At 07:08 PM 10/24/07, you wrote:
Anyone with any experience turning a VHF PURC 5000 into a repeater?
Randy
The PURC5000 is a transmit-only version of an MSF5000 intended for
paging service.
There are no receiver components in the RF drawer, or if they are
there, they are crossband.
The two
The Z38A instruction manual can be down loaded from
http://www.repeater-builder.com/zetron/zetron-index.html
The 38 is a different puppy from the 38A, however.
More that one person has voiced the comment that Zetron is one
of those companies that has absolutely no regard for their customers.
It
What keypad???
The PURC 5000 does not have a keypad.
The Nucleus does, however. It is the Quantar-based paging
transmitter that came after the PURC5000.
The real PURC 5000 came in two flavors.
Is there a three digit display on the top right of the panel? If so,
then it takes RSS.
If there is
The last card-cage based repeater I did (a Micor, which uses a card cage like
a MSR) I did a bit differently.
The squelch gate card mod (the one with the DB connector and a 3-pole
switch) basically turns it into a two-mode card - mode one is a paddle
board that connects a outside controller, mode
Even magnetic amplifiers and tunnel diodes..
[EMAIL PROTECTED] wrote:
At 10/24/2007 19:26, you wrote:
I would consider anything that uses a semi-condutor material to be
active, Silicon and Germanium transistors included.
According to Wikipedia, a passive device is a device
bob,
I guess you cannot grasp the difference between operation of a diode and
capacitor. A cap has it properties no matter what. A diode performs as a
diode only when excited...the applied signal changes the diode...it does not
change the capacitor. The internal structure in a diode changes
According to Wikipedia a transistor is not active. Here they state active
devices as suppling power and passive as not.
In control systems and circuit network theory, a passive component or
circuit is one that consumes energy, but does not produce energy. Under this
methodology, voltage and
At 05:36 AM 10/25/2007, you wrote:
According to Wikipedia a transistor is not active. Here they state
active devices as suppling power and passive as not.
For God's sake, guys,I don't think I have seen a more childish
exchange on here ...
nyah, nyah, nyah ... yes it is, no it isn't, yes it
Jeff,
Beta is most definitely a factor in the current gain of an emitter follower.
This is most important with a linear regulator where the load is driven by the
emitter. The beta determines the current gain of the pass transistor and how
much current must be driving the base. If a
Can't an isolator do both, provide a constant 50 Ohm load to the
transmitter, and offer 30 (single junction) to 60 (dual junction) of
isolation from signals travelling from the antenna to the transmitter
for mixing. If isolators were just to provide a constant load, why are
there dual
radiotech808 wrote:
Hi All,
I am trying to get the Zetron 38 running on our local 2 meter
repeater (only as a temp measure) due to logic problems
What I want
Morse ident out every 15mins as to comply with the regs, the ident
does go out but no radio tx any thoughts
You do know
Single isolators are meant for transmitter protection from reflected
power and antenna failure and low end transmitter combiners.
Dual stage is more tailored for intermod reduction and wide bandwidth
low distortion (TV) applications.
Triple stage is more tailored for a close spaced high power
Paul,
I'm assuming silver plating at the very
bottom is not too critical anyway. Did you use silver solder, or
regular solder?
I don't think that heat alone would hurt the silver plating. It may turn it
colored, but should not hurt its conductive properties. (Similar to
connectors that have
Vern,
You couldn't approve messages only once a month. They expire after 14days.
The problem with Yahoo groups is that they don't send e-mails saying that
there are messages that are pending; so unless you go to the group's website
and look, you have no idea that there are held messages.
The
There are a number of methods... arguments to be made for doing
one modification versus another. You might read the below web
page before you begin along with a bit of research into some of
my past msr-2000 related posts on this group.
http://home.comcast.net/~msr2000/
... and of course
The PURC5000 came in two versions -
Early CxxJLB stations, similar to early MSFs, where the 2732 eprom is
programmed via the R1801 for frequency, etc.
Later CxxJXB stations, while similar to later MSFs, DID NOT need RSS.
There is a 10 or 12 button keypad, and a red LED scrolling display
Forgot to add this link with a picture. The controller is near the
bottom of the rack.
http://picasaweb.google.com/147195/MtVacaVHF/photo#4981359282084773906
Chris N6ICW
--- In Repeater-Builder@yahoogroups.com, Mike Morris WA6ILQ
[EMAIL PROTECTED] wrote:
What keypad???
The PURC 5000 does
There is a third controller. Advance Controller used in the simulcast
models. Completely programmable from the key pad. Has audio delay
built in for the simulcast delays. Watt meter and the software can set
deviation, audio eq. frequency's. I am simulcasting a 350 watt and 100
watt on 2 meters.
FCC's Riley Hollingsworth to Retire in January 2008
Riley Hollingsworth, Special Counsel in the FCC's Enforcement Bureau, announced
his retirement this week, effective Friday, January 3, 2008. While his
successor has not been named, Hollingsworth was quick to point out that the
FCC's Amateur
Well it just seems like once a month I get about 20
messages in a row from that list.
I would be happy to help if that would make it so that
messages would get through quicker. I don't have the time
to be a full admin on the list though. I run serveral
other lists on my own list server and
Hello Jeff,
Never did the tests personally but I know from others work where I
used to work that putting 2 RF signals through an isolator of
significant power will produce measurable intermods and with the
powers of a typical transmitter, definitely a problem.
There were problems with just the
Can anybody tell me which UHF split a C74GSB-3105BT MSR-2000 is on?
Thanks.
George, KA3HSW / WQGJ413
The model number does not indicate splits.
Joe M.
George Henry wrote:
Can anybody tell me which UHF split a C74GSB-3105BT MSR-2000 is on?
Thanks.
George, KA3HSW / WQGJ413
Yahoo! Groups Links
You need to pull the TX board and RX board and look at the model #'s
MCH wrote:
The model number does not indicate splits.
Joe M.
George Henry wrote:
Can anybody tell me which UHF split a C74GSB-3105BT MSR-2000 is on?
Thanks.
George, KA3HSW / WQGJ413
Yahoo!
Be on the lookout for three stolen Motorola MTR2000 UHF repeater
stations.
Thieves removed the units from a locked building on Tassajera
Peak on
Sunday, October 14th, between 1530 and 1600 hours local time.
They are all model T7566 stations, rated at 100 watts for the
430-470 MHz
band.
Scott Zimmerman wrote:
Vern,
You couldn't approve messages only once a month. They expire after 14days.
The problem with Yahoo groups is that they don't send e-mails saying that
there are messages that are pending; so unless you go to the group's website
and look, you have no idea that
Re: MSR-2000 split question
As a general/generic rule... most repeaters in the 450-470
band are 5MHz offset as are a lot/most of the 440-450 ham
repeaters.
Others outside the above ranges are often a 3MHz offset.
There is no standard repeater offset in the VHF band.
cheers,
s.
Jay
Nuts... it's on E-Bay, and close enough for me to pick up if I win, so I guess
I'll have to ask the seller for more info. I think the ad said it was
currently on 174, so I wanted to find out if it'll go down to GMRS without
mods. 440 is probably out of the question, though, right?
Nate is right. I own/moderate over 100 lists, and I get pending email
notifications from every one of them. It's a setting in the Moderator
area. If you click on a moderator's settings (EDIT MEMBERSHIP), the
options are:
0 Notify this moderator when there are pending messages, photos or
It's definitely a UHF model, so it should not be on 174. Maybe 474.
Joe M.
George Henry wrote:
Nuts... it's on E-Bay, and close enough for me to pick up if I win, so I
guess I'll have to ask the seller for more info. I think the ad said it was
currently on 174, so I wanted to find out
George Henry wrote:
Nuts... it's on E-Bay, and close enough for me to pick up if I win,
so I guess I'll have to ask the seller for more info. I think the ad
said it was currently on 174, so I wanted to find out if it'll go
down to GMRS without mods. 440 is probably out of the question,
I have used a 225 watt Purc as a transmitter for many years. The 2732 can be
read and modified using a R1800 programmer with MSF software and programmer.
Just read and edit the freq, don't start from scratch. The audio and ptt are
injected at the local mic RJ connector. I can do the 2732 for
It's actually a mid uhf msr repeater... currently on 474 MHz
so it might go down to the gmrs band with a proper alignment.
s.
Jim [EMAIL PROTECTED] wrote:
George Henry wrote:
Nuts... it's on E-Bay, and close enough for me to pick up if I win,
so I guess I'll have to ask the seller for
So,
Out of the 3000 + members on Repeater-builder alone, would someone like to
nominate his successor?
Don, KD9PT
- Original Message -
From: Mark Thompson
To: [EMAIL PROTECTED] ; [EMAIL PROTECTED]
Cc: Repeater-Builder@yahoogroups.com ; [EMAIL PROTECTED]
Sent: Thursday,
I have one of these wonderful paging PA's (Model # SGTF1021B) that I am
trying to convert for use on my 900 repeater, in lieu of the Glenayre - I've
kinda given up on that PA for now. I'm pretty certain that I understand the
instructions on how to get it operating in the ham portion of the band,
Hi Jim All,
Firstly the tone panel is a Zetron 38 not an A or max !
Jim you are right about the DTMF ident really only for trouble shooting over
air etc
And sorry I forgot to say I am over here in the UK hence the 15min ident
Speaking to tech at Zetron today he agrees
Hey guys,
I have an rbi1 for sale.
Any takers?
I'm open for suggestions. I also have a cable for a kenwood TM331.
Thanks,
Jed
While it is basically true of how isolators are used, a low end combiner
is not defined by how many isolator stages it employs. Most systems need
around 65 db or so of isolation between transmitters. A common combination
is a two stage isolator that gives around 60 db of isolation and a pass
George,
This information is straight out of the MSR-2000 manual, 6881061E55. Your
MSR-2000 is a fully-optionable repeater station that has 80 to 100 watts of
output power somewhere in the range of 450-512 MHz. Whether it is 450-494
MHz or 494-512 MHz must be determined by inspection of three PA
Oops fat-fingered that one! It's 474 RX, 471 TX
- Original Message -
From: MCH [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, October 25, 2007 3:07 PM
Subject: Re: [Repeater-Builder] MSR-2000 split question
It's definitely a UHF model, so it should not
I'm adding a controller to my Squelch Gate for my MSR-2000 repeater.
I am almost there but, I can not find where these Jumpers are that
need to be adjusted so my controller will work.
Does anyone know where I can find them? Are they the jumpers on the
Squelch Gate that need to be soldered?
I'm
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