I've been reading on the Repeater Builder's website about using an AND
gate to cure squelch ills. I believe this may be what I need to try on
our system running for RX's and one TX's. All the CTCSS boards are in
the RX's before they go to the voter, and hence the controller cannot
do the AND
Well, the circuit did look right. Both diodes should be shifted left.
Guess Yahoo can't handle plain text...
Scott NA4IT
--- In Repeater-Builder@yahoogroups.com, Scott [EMAIL PROTECTED] wrote:
I've been reading on the Repeater Builder's website about using an AND
gate to cure squelch ills. I
I would strongly suspect that new preamp to be the culprit.
73
Gary K4FMX
_
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Nate Duehr
Sent: Saturday, February 03, 2007 2:35 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder]
I'm setting up a Mastr II VHF station for a 2 meter repeater and when I
got to the power amp to check everything I can only get about 86 watts
out of the 110watt PA. I noticed that the power supply starts to fold
over at about 20 watts out and when I get to 80 watts the supply is
only at
I'm sure you will get a few more more educated replies than mine-
Here's my two cents.
Double the power, the most you would theoretically get is 3db more signal. Will
the end users notice- probably not very significantly. I have heard and
experienced systems that ran *high powered*
Not exactly a repeater controller, but take a look at
Larry's website for ideas on remote control of radios:
http://www.telepostinc.com/n8lp.html#top
Mike
AI4NS
Arcom, CAT and Link-Comm all make controllers that will control a
modern HF radio.
http://www.arcomcontrollers.com
http://www.catauto.com
http://www.link-comm.com
I only have hands-on experience with the Link-comm's controlling a
IC-706 and TS-570.
-Sean
On Feb 3, 2007, at 7:10 PM,
I am looking for opinions on what antenna is good for repeater use that
are in the $200-250 dollar range. I am looking at the Antennx and the
Hustler 270R. Opinoins?
Thanks Dan/NØFPE
--- In Repeater-Builder@yahoogroups.com, Jeff DePolo [EMAIL PROTECTED]
wrote:
Some one heard the owner of 165 talk about having to keep the
power down
because of desense.
A perfect example of bandaidsmanship.
What about a band pass on 147.765?
Nah, it would only buy you a
Really nice site.
I am still getting some conflicting info. The unit that we are considering is
the EF Johnson
CR600 desktop repeater/base. I have had a hard time finding information on that
particular model.
Some specific questions:
Is it crystal controlled or synthesized. If the latter,
Good Morning everyone,
Has anyone used the RIB clone offered by Valley Enterprises on
that auction place? Opinions welcome on that one and on RIB clones in
general.
And before anyone sends that reply reminding me I can roll my
own RLN-4008 from the diagram on batlabsthank
I drive a truck OTR and at times work with FEMA. Would it be possible
to put together a mobile repeater system that could be used in areas
without power? I have a generator system in my truck so I have 110
power available. My interest would be in something semi permanently
installed without need
double the power is a 3DB increase, which will result in 1/2 S-unit increase
in signal. There will be very little, if any, difference.
Unless you can do the upgrade for free, it is not worth it.
-- Original Message --
Received: Mon, 05 Feb 2007 08:47:45 AM CST
From: Tony L. [EMAIL
1) No
2) Yes
3) Probably not.
Fred N4GER
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Tony L.
Sent: Monday, February 05, 2007 8:48 AM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Effects of doubling RF output on UHF
I have come to the same conclusion.
Fred N4GER
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Gary Schafer
Sent: Saturday, February 03, 2007 2:05 PM
To: Repeater-Builder@yahoogroups.com
Subject: [SPAM] RE: [Repeater-Builder]
Leo:
Look around for a used Motorola GR300 repeater. They have a footprint
of about one square foot and about 14 high and are quite reliable. I have
a couple of them running in the 70 cm ham band. They usually come with
a 120 VSAC power supply, but they run off of 13.8 VDC, so you can bypass
You're right, however I have no control over the 165 repeater. The owner
has been informed. I have no clue what he is going to do. I'm willing to
help, however the monkey is on his back.
Fred N4GER
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED]
Good idea and when you install the amplifier you will want to install this
filter pre amp at the same time.
http://www.anglelinear.com/custom/custom.html they are worth there money and
the results are unbelievable.
Oregon Repeater Linking Group
Mike Mullarkey
6539 E Street
Springfield,
Yes, it's easy to do. I have one 440. You don't need 110v, 12v works just
fine. Check out this site.
http://www.nhrc.net/nhrc-4mvp/
Fred N4GER
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of texasexpediter
Sent: Sunday, February 04,
I'm setting up a Mastr II VHF station for a 2 meter repeater
and when I
got to the power amp to check everything I can only get about
86 watts
out of the 110watt PA. I noticed that the power supply
starts to fold
over at about 20 watts out and when I get to 80 watts the supply is
At 2/5/2007 05:35, you wrote:
I've been reading on the Repeater Builder's website about using an AND
gate to cure squelch ills. I believe this may be what I need to try on
our system running for RX's and one TX's. All the CTCSS boards are in
the RX's before they go to the voter, and hence the
Tony L. wrote:
1) Will the hundreds we pay to upgrade actually translate into
significantly increased range?
As others have said -- not significant.
But there'll always be someone who'll want to argue the point here
ya go:
Envision pouring a cup of water on a table top -- it makes a
You've already gotten reasonable answers that I won't rehash. Let's
consider this, assuming that bumping the power up to 100 Watts doesn't
degrade your receiver, how do the users perceive things?
Flea powered HTs are the bane of repeater builders (or, at least, me),
but people love them. Most
we have a regular rib and a smartrib, we also have one of those aftermarket
clones.
the moto ribs read everything, but we had problems with the 'clone', we had
problems reading some moiles.
I'd give it a try if money is an issue and you don't have a bajillion
customer radios and
If your going to use two mobiles as a repeater (such as the GM300
series, or any other mid powered mobile radios) you must consider
these radios are not meant for heavy / continuous duty use. If you
are going to have moderate traffic, 20W is fine (with a fan). If your
going to have
Oops I meant to say needs a notch in the receiver tuned to its transmitter.
73
Gary K4FMX
_
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Gary Schafer
Sent: Saturday, February 03, 2007 6:02 PM
To: Repeater-Builder@yahoogroups.com
Subject: RE:
On 2/5/07, Dick [EMAIL PROTECTED] wrote:
Look around for a used Motorola GR300 repeater. They have a footprint
of about one square foot and about 14 high and are quite reliable.
A friend has a GR1225 which is Moto's tiny little single radio
solution for this type of thing also. Works well.
Tony,
Not kowing your system and where it is located and what is at the site. But if
you were to make a signaficant increese for the portable performance like 3-6db
from what you are using would that be worth the cost.
Mike
-- Original message --
From: [EMAIL
Bob M. wrote:
I configured my Yahoo mailbox so it put spam into the
BULK folder rather than immediately deleting it.
I found this message between 1200 and 1226 EST.
So nice of Yahoo to consider this SPAM ! I would
surmise that this is why I'm not seeing any of Kevin's
messages.
Bob M.
Hello back,
Should be a nice change Tony... but you're going to need the
proper equipment in place and to consider all the issues before
you make the change.
Half of our users believe that the repeater's output power is
perfectly matched to its receiver. That is, users of high powered
Upping the power changes the balance , if you really need to fiddle with it
improve the antenna for a boost both ways and at no additional running cost
.
From: Tony L. [EMAIL PROTECTED]
Reply-To: Repeater-Builder@yahoogroups.com
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder]
SO what happens when you connect a larger power supply ?
From: Bill [EMAIL PROTECTED]
Reply-To: Repeater-Builder@yahoogroups.com
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Mastr II Station Power Supply Problem?
Date: Sun, 04 Feb 2007 22:01:14 -
I'm setting up a Mastr
If you ever do install the amp, I would suggest lying to the users when
it goes on line. Tell them that it is on low power when it is on high
and vice versa but don't announce it the instant you change. Wait a
while before announcing it. You will very quickly find out who can
actually tell
Master II Base Station / Repeater Power Supplies come in four flavors.
The most important information is: Two are fused at 15 Amps, and two are
fused at 35 amps.
If you have the high current model, it has a BUSS NON-35 AMP one-time FUSE
(Class K5), and is 3 inches long.
The 15
Hi Dan,
I have a NOS still in original carton Sinclair SRL 334-2 for sale. $240.00
and it is UPS shippable as it has a 2 part mast.
73
Gary K4FMX
_
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Dan
Sent: Saturday, February 03, 2007 8:48 PM
To:
At 06:47 AM 02/05/07, you wrote:
One of our 70cm Amateur Radio repeaters is currently outputting 50
watts into the duplexer. We're considering replacing the existing RF
power amp with a 100 watt model.
Might want to ask the knowledge base here for recommendations
and/or warnings... This group
Hi Jeff!
Thanks for the reply.
The no load voltage is about 14.1 volts.
Bill...
-Original message-
From: Jeff DePolo [EMAIL PROTECTED]
Date: Mon, 05 Feb 2007 16:28:07 -0800
To: Repeater-Builder@yahoogroups.com
Subject: [Spam] RE: [Repeater-Builder] Mastr II Station Power Supply
Pull out the ferro cap and test it.
Or alternatively, take the cap out, tape up the leads that went to it, and
fire up the supply again and see if you get the same amount of sag under
load. If so, then it sure sounds like the cap is open.
On 2/5/07, Bill Hudson [EMAIL PROTECTED] wrote:
If you have the high current model, it has a BUSS NON-35 AMP one-time
FUSE (Class K5), and is 3 inches long.
The 15 Amp fuse is a NON-15 (obviously), and is considerably smaller in
size, and is 2 inches in length.
It will be obvious when you
I knew what you meant, thanks.
Fred N4GER
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Gary Schafer
Sent: Monday, February 05, 2007 11:43 AM
To: Repeater-Builder@yahoogroups.com
Subject: [SPAM] RE: [Repeater-Builder] Intermod
On 2/5/07, Burt Lang [EMAIL PROTECTED] wrote:
If you ever do install the amp, I would suggest lying to the users when
it goes on line. Tell them that it is on low power when it is on high
and vice versa but don't announce it the instant you change. Wait a
while before announcing it. You will
On 2/5/07, Barry C' [EMAIL PROTECTED] wrote:
Upping the power changes the balance , if you really need to fiddle with it
improve the antenna for a boost both ways and at no additional running cost
Unless you're running separate antennas, how would changing the gain
of the antenna make a
Spend the money on a more modern receiver designed for repeater ops, get a
fresh antenna like a Station Master, and use the best run of heli-ax and
premium connectors you can afford and you will see just as much improvement
if not better.
External power Amplifiers and more power output will do
hope you're not in the shelter/building when one comes down!
http://beradio.com/news/wcfb_tower_toppled/index.html
There's a safety note on the GE ferroresonant supply plus
some info on fuse sizes here:
http://www.repeater-builder.com/ge/mastr2/m2-arcing.html
Mike WA6ILQ
At 01:32 PM 02/05/07, you wrote:
Master II Base Station / Repeater Power Supplies come in four flavors.
The most important information
Searching for a friend.. Prefer rack mount. For use just above 30mhz
or so.. Whatcha got? Buy, trade, etc..
df
Tony,
As you can tell from the number of replies, this is a topic that generates a
great deal of interest! I agree with the majority of posters who state that
a power increase will have relatively minor positive effect, and MAY have
significant negative effects. In fact, one fellow posted a
James,
I recently purchased an R2600D Service Monitor, and it has none of those
problems. Since it has a color LCD display panel instead of a CRT, I have
to wonder how it could act like that. If your unit has a CRT, perhaps it is
the R2600C model.
Regardless of the problem, contact Doyle
I may as well chime in here too. When adding a pre-amp don't overlook the
fact that you may not always get out of the addition of the pre-amp what you
think you will. Every cavity that is ahead of the pre-amp has loss.
Sometimes it requires additional cavities which increases the loss over what
What do you know...I do indeed have a R2600B with the CRT. Says so on
the bottom. Should have verified that first.
I'll give Doyle a try tomorrow. It'll be interesting to see if fixing
this is less expensive than just selling my B and buying a used D.
(Still waiting for somebody to say Just
At 06:16 PM 02/05/07, you wrote:
I have an R2600D with a minor display problem. When first powered up,
the picture wiggles, jiggles, and squeezes in and out ever so slightly
both in the vertical and the horizontal.
This problem doesn't affect readability of the display much, but it's
at least
Hi all what do I need to put together a simplex repeater without using
a recording device.I would like to hook up 2 radios and
antennas.Thanks for any input.KC0USN 73's Do simplex repeaters
require Frequency cordinater to give frequency or can you pick your own?
Hmm, maybe it's just syntax, but a simplex repeater uses ONE frequency
(i.e.simplex) as opposed a duplex repeater using two frequencies. A simplex
repeater MUST store and forward (record) since it is self defeating to
transmit and receive on the same frequency at the same time from the same
Hi all Im trying to put together a vhf 2 meter repeater as cheap as
possible.If any one has any good parts to trade or such please email
and let me know I got some trading material also.Thanks and 73's
I am rather new to this group and maybe shouldn't be critical of anything on
the site at this stage but here it goes anyway.
I notice in the below referenced article on antenna separation that it is
stated that the graphs are misleading and no where near accurate for modern
day solid state
At 2/5/2007 19:51, you wrote:
As another note in the article it suggested using a spectrum analyzer to
tune the receiver s local oscillator chain for lowest noise. While that is
one approach, an easier and probably more accurate way of doing it is to
use a sinadder on the receiver while
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