Depending on what you have available, you could switch the audio coming
from the unit off prior to dropping the carrier of the tx. This would
allow your decoder to stop and eliminate squelch noise.
James
[EMAIL PROTECTED] wrote:
Hi Guys,
We've discovered something interesting about
I switch my ts64's using a logic out on the rlc controller to the
orange ptt in lead , however, I still sometimes don't get good reverse
burst with the motorola receivers that are listening to the ts64
encoder. Makes for extra courtesy beeps or the occasional burst over
the links.
James
I use EMR corp "Z-matchers" to fix these problems encountered with AMP
to antenna, etc. Re-tuning a duplexer as stated below will not help
your match very much. I have great success with line matchers.
James
Eric Lemmon wrote:
Skipp,
I disagree with your definition of a &
the reactences that show up with high input power ... very
impractical since most feedlines have little to no extra length to fuss
with).
skipp025 wrote:
James,
What type of power amplifier have you
used which had/has problems matching 50
ohms systems?
Did you even try to first adjust the
duplexer tx
The RG11 that I have has "quad shield" foil, braid, foil, braid if I
remember correctly, Its not too bad if brought in from above the unit.
On one set I have it going to a splitter and then to two RG6QS jumpers
that go to the cable modem and the cable box.
James
Ralph Mo
Demarc is the outside of the house, I own everything else.
Eric Lemmon wrote:
Before stringing RG-11 to extend your cable tv distribution system, you
might want to read the fine print in your cable tv contract. It might
state that all cable from the trunk coupler to the customer's tv set are
Mastr II PA's should be easy to rebuild?? A few new transistors, etc.
and some TLC and that would work better than any ham grade stuff.
unless of course it is lightning toast.
James
Kevin Bednar wrote:
Unfortunately Joe, everything for this project is being donated for an
OEM/RACES
Good luck, If you check with some of your local Motorola shops, Micors
are coming out of service regularly (if any are left, I know we had a
few). Micors and MastrII's in their virgin forms can be had cheap or
free in many cases. Even if you get a mobile style of either, it is
good.
James
not yield anything, then maybe you could replace
the trimmer for the xtal as it could be affected by temperature.
Please don't flame me for trying to help him, i know how it can be when
you have nothing to put on the air.
James
Kevin Bednar wrote:
Unfortunately, we have NO usable
radio
Maybe I should rephrase that! UHF is so hard to come by, they are
excluded!! My company threw out a whole bunch of VHF Hi MastrII mobiles
a few years ago.
James
Kevin Bednar wrote:
Me too Chuck! ;)
Kevin
K2KMB
From: Chuck
Kelsey [mailto:[EMAIL PROTECTED
things like COR and PL detect INDEPENDENT of the microphone hook switch..
James
fish_497072000 wrote:
Hi- Does the GM-300 have COR on all models?? Something that can be
programed into them?? We have one that seems not to have COR ,and
wondered if it could be programed to do so. TKS,Jerry W8KQ
Anyone know of any diversity receivers for the 2m band??? I have never
heard of any but would love to have one.
James
Laryn Lohman wrote:
Steve, I disagree. Our Hall voter will regularly vote EASILY 5
times/second. We have four receivers and sometimes it will vote to
all of them
Thanks for the enlightenment! I read the entire article.
James
Steve S. Bosshard (NU5D) wrote:
http://www.lectrosonics.com/wg/wgdiv.pdf
A simple
diversity paper on Wireless
Microphone receivers..
Ssb
Yahoo! Groups Links
PSST we have enough laws in this country
Neil McKie wrote:
Last time I was at Costco, could buy Norton Internet Security for
$50 something with a $15 mail-in rebate.
Neil
Ken Arck wrote:
At 11:37 AM 5/10/2004 -0600, you wrote:
For further
Maxtracs, GM300, and CDM series are all good radios!
[EMAIL PROTECTED] wrote:
Hi All!
As the title suggests, I have a couple of questions about the
use of Maxtracs as repeater radios, links, etc. I'm a die hard Micor
man with 3 Micor and 1 Mastr II repeaters on the air so
Put some fans on that thing and you won't have to sweat so much yourself
over it :)
James
rtoplus wrote:
Well I visited the site and powered down everything...let it all
rest for about 5 minutes. After powering back up, everything seems
fine. The heat sink was hot as a firecracker
better.
On front mic plug, pin 8 is handset audio (low level speaker audio)
I hope that helps you out. If you have any other questions, you can
write direct or here.
James
Kevin Natalia wrote:
Hi All,
I have 2x GM-300 radios which I wish to use as a full duplex link at one of
our main repeater
better ... I know ... don't mention that word :) ). I would
test it and see how it does.
James
Chuck Kelsey wrote:
By all means. Then you'll have your answer.
Chuck
WB2EDV
- Original Message -
From: [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Monday, August 09, 2004
They need to put a band pass filter on the thing. I have had the 900 MHz
guys raising the noise floor over 100 MHz from their signal. If they put
in a good TX/RX or other BANDPASS cavity, they will be good (unless your
on 900 as well)
James
Coy Hilton wrote:
Does any one have any info
no, I did not try that to prove or disprove it. The antenna was
replaced by a diamond X-50 for a linking repeater at low height from
the ground on a hill top (20 ft)
James
Mike WA6ILQ wrote:
I don't
think that dipoles get tilted, but did you try demounting the
antenna and turning
If you have a 25 Watt Maxtrac, GM300, CDM750, CDM1250, etc. They were
all sold as 1 - 25 watts, this means that you can set those ones most
anywheres you like. I have several 25 watt radios as link radios. At
least one of them is set to 2 watts, and the other is at 15.
James
(also works
My TE systems unit has worked great (had it now for 6 years). I also
like my Henry Radio units.
James
SGCTech wrote:
I'm putting in a new repeater to replace an old one, but the new one is 50
watts output instead of 130. I'm looking for suggestions for a Power
Amplifier. My preference based
would make a 50 watt mobile seem as strong as a 100 watt
mobile provided no enviromental factors are effecting either end.
James
Neil McKie wrote:
Are the repeater users using 130 or 500 watts to get in? I doubt
it.
Neil
"Mr. Edgar McKinney" wrote:
Neil M
the difference.
James
Neil McKie wrote:
I suppose if you are real happy with the thought of a 130 watt
output repeater, so be it.
I used to use a 110 watt output mobile on the 2 meter band. I
now use a 25 watt mobile.
At one time, my two meter repeater had a PA deck problem. We
changed
concepts). These will allow your repeater to meet all FCC
requirements and it is much more reliable. You might even want to search
ebay for the controllers.
James
texaswpd103 wrote:
Has anybody built a repeater using two gm300's with the connector
cable like the ones prolific on ebay. If so what
25 Watt radios will turn down to at least 10 watts or less without any
problems. If you want to use just the exciter (a few hundred milliwatts
I think), you would probably want to make your own t/r switching and
just connect directly to the RF board.
Steaven Rogers, W4YI wrote:
I would like
For amateur radio, TX/RX gives 25% off their list price. I find that
their four cavity unit is about 88-93 dB.
James
johnmichaelwelton wrote:
Need to get several 2M duplexers for a hospital project. The Telewave
TPRD1454 (4 cavity, 5 in) provide 77dB isolation (~$750). I'll be
using 40-50
Can you give me the details on this?? I have never done it, but am
sitting on plenty of spectra tac equipment that I would like to utilize.
James
[EMAIL PROTECTED] wrote:
Status tone does set the agc in the sqm. Very
impotant when using phone lines with varying losses. When using rf
links
I look forward to the information. (as I'm sure many on the list do as
well). I would like to incorporate this into the 2 meter side of the
system here to help "hide" some interference problems.
James
[EMAIL PROTECTED] wrote:
Hi James, I am away at a wedding but wi
usually L202, and L213 on most units. (i cannot remember which is RX and
TX, no book at hand here). I usually tune them to move radios to other
channels. They are located under the small metal cover on the RF board.
James
Steve Rodgers wrote:
Has anyone got any info or links on adjusting
I have the 100 and 200 watt henry units in service on UHF, they work great.
James
Jimmy Floyd wrote:
Need to pull from the collective wisdom of the group:
I have been looking at VHF repeater amplifiers lately and need some input.
Specs:
low drive 1 to 10 watts input
250 to 300 output.
13.8
What did you do to get the Receive and Exciter to go there?? I would
love to use some of my more "modern" moto stuff on that band.
James
[EMAIL PROTECTED] wrote:
Just wondering if anyone else has attempted to
convert a vhf Maxtrac to 222mhz? I would be interested in the
Motorola uses the six cavity celwave rack mount (very expensive). I
would suggest the tx/rx units over the celwave. I use the tx/rx 4
cavity units on all my repeaters, even the one running at 200 watts.
[EMAIL PROTECTED] wrote:
I currently have a UHF MTR-2000 repeater, I bought it
If you want to move a TX/RX used commercial (450-470) duplexer, you
should order the cable kit from them to be able to maintain good specs.
I moved one from 460.??? to 441.5 and it wouldn't make specs with the
shorter harness. I ordered the longer kit and it tuned up great.
James
Leon
If you use the Clamshell head, the unit will support BCD control (there
are 4 channel control lines, I do not have the truth table around for
it). On the advanced head, you are out of luck.
James
Brian Poellnitz wrote:
Haven't seen this done, but it should be possible if the radio
Any RG142 or RG400 I have worked with clearly has two shields in it.
James
[EMAIL PROTECTED] wrote:
Interesting! emphasize double shielding and recommending
RG214. RG-223 is double shielded, it isn't recommended. Why. RG-142
and RG-400 are single shielded and are considered
On my factory original set of 641's, the cables are RG 214.
James
Joe wrote:
Some well known manufacturers did use RG-213 and RG-8
for duplexer interconnecting cables. Some people
upgraded the cables to double shielded coax, but you
have to take velocity factor into consideration when
post it.
James
Neal Newman wrote:
Thanks Kevin
I thought it was RG-214 However it is stamped RG-213
Now Everyone has skipped a rock on the lake and avoided the answer to
the question.
all 4 cables are different lengths.. I would have thought they would Be
close to the same length..
James says H
Club calls are on repeaters all over the place. Including NA1RA.
James
Jim B. wrote:
jay_kruckenberg wrote:
Can someone help me settle a debate among some of our club members?
Is it legal to ID our club repeater using our club callsign? The
trustee of the repeater
incidental; it's the silver plated
shield that prevents IMD generation.
And may I add, the BETTER isolation from other "artifacts" coming in
through the shield!! Nothing less than high quality coax for those of
us that don't have perfect sites that are climate controlled an
I have my amateur, GROL, and state license for those very reasons (as
well as the state license being a requirement)
James
Joe wrote:
It may not have any official benefit to many jobs, but it certainly can be
an advantage as an additional factor on a resume. This also applies
Your reason is about right ... The GROL was harder and more
encompassing than the state license
Coy Hilton wrote:
What's the state license for, Other than just another way to fatten
up the till?
AC0Y
--- In Repeater-Builder@yahoogroups.com, James [EMAIL PROTECTED] wrote
, and it works quite well. There is very little noise caused by
the antenna.. These two models seem to handle the power the best as
well. One of my UHF machines can put out 160 watts out of the duplexers
and it deals with it at high duty cycle.
James
w9mwq wrote:
I know what this question can lead
are)
James
Mathew Quaife wrote:
The antenna is indeed the Diamond X500, and at this point I have not had any
noice that I have detected thus far. Just need to make this setup work
until next spring when the tower will go up fo rthe repeater and the Decible
Products antenna's are in place
the cable shield directly.
James
Other hardline makers such as Cablewave/RFS, and EUPEN offer similar items.
[EMAIL PROTECTED] wrote:
I have been told - do not use coax that has foil. Well, I am looking at
LMR coax and it has foil. What are you repeaters
owners/maintainers using?
Rod kc7vqr
If you know how to solder, a made to fit soldered on connector is
soo much better than anything crimp on. Nothing beats a positively
solid connection!
Robin wrote:
Why are you
guys still using PL259 connectors
on any thing but HF? If you must use PL259 connectors, at
Lets see, if you have his cellular number, law enforcement could help
you deal with him if he doesn't send you the stuff. Just call his local
police department.
James
rabremer wrote:
Hi to the group
Hopefully not too much off topic.
I talked with Steve on the week of the 13th he said he
It has been very tempting to unsubscribe, but I do find plenty of useful
information here. I agree 100% HO HO HO!! Its Christmas guys. If
someone asks what appears to you to be a DUMB QUESTION, remember you
weren't born with the knowledge either. Just answer it and move on!!!
BESIDES,
Kevin, you're just a show off (putting the com-spec code in there)
James
0Z - Find that one if ya dare :)
Kevin Custer wrote:
James wrote:
ok guys. 4Z
Motorola 4Z
CTCSS 136.5 Hz.
Com-Spec # 21
Kevin Custer
Yahoo! Groups
hams listen in full CTCSS mode?? I do when on my repeaters, but
not when on others usually.
James
Tony King - W4ZT wrote:
At 08:57 PM 12/3/2004, Paul wrote:
snip The only down side that
I can see is people that don't have a repeater directory in front of them
would not be able to talk
Many of the tones that tha Com-Spec TS64 series borads will do are
non-standard tones (per EIA). Has anyone used any of these??
especially the low ones like 33 Hz??
James
kc0rtx wrote:
254.1 - 0Z - NON EIA STANDARD TONES
Randy
KC0RTX
-
Original Message
There are conversions out there for the Maxtrac radios. I have not
tried it yet myself.
James
kb4mdz wrote:
I love Micors for what they are (radios built when radios required lots of aluminum, steel, and trunk space!) but they came out over what, 25 years ago?
I put out
Ever seen a station master blown to bits by lightning?? (I like the
dipoles better too :) )
James
DCFluX wrote:
I have seen a station master with radial ice.
On Thu, 09 Dec 2004 17:57:23 -0800, Neil McKie [EMAIL PROTECTED] wrote:
Ever seen a folded dipole array loaded
It is not double shield, some of it is really cheap construction. I use
RG142, RG214, RG393, 1/4 superflex, 1/2 superflex and thats about it.
What problems are you having?? I bet that if you tap on it, it makes
noise while the repeater is in tx and rx mode!
DCFluX wrote:
Has anyone had
If the proposed operation will be used to conduct the business
activities of your farm, then you are eligible.
James
Steve Bosshard (NU5D) wrote:
Are
you eligible under part 90 to hold a
license in the Business Radio Service, ie, 90.75 a 1, statement of
eligibility
If P-25 is an open standard, then why would you need analog ID's??
AX-25 (Packet) does not use analog ID's.
James
Nate Duehr wrote:
Jim B. wrote:
By way of PWF:
http://www.k6ccc.org/k6ccc-r.html
Neat Jim.
I've been playing around with P-25 via a borrowed radio
Does anyone have a copy of the free version of Echotime??? I am very
interested in trying it. They no longer have it on the site.
James
Coy Hilton wrote:
One way of doing it is Install Echolink, It doesn't have to be
connected to internet for this, and install Echotime. This way you
If you can hear white noise, I would suggest that you start in the RF
side of things. You very well could have a blown front end on that
unit. Other things to check would be your IF section.
James
[EMAIL PROTECTED] wrote:
Hi all
I wonder if someone has a print of the audio
Should be 600 ohms at pin 3 (ext mic). You can get around this by
turning up the mic gain in the programming software.
James
Rob Chris wrote:
Can anyone tell me what the input
impedance for the accessory Mic input is on a CDM-750 UHF or how much
drive it takes to get 3KHz
When you drill into that brass cap, what about weather proofing at that
point??
James
Kevin Custer wrote:
For commercial antennas that have a brass cap or rod sticking out the
top of the antenna, you simply drill and tap for 4-40 threads and thread
the SB into the hole.
I really
watt version will draw more, (and I believe it will even generate
more heat).
I hope that helps you out!
James
[EMAIL PROTECTED] wrote:
I have looked at the Motorola site and can not read any language
but English. I am looking for the specs on the GM 300 vhf. I had it
turned down to 15 watts
And they have lots of duplex noise, even on 440 :) I changed all the
cabling on mine to RG 393 (142, 214 would work too). Duplex noise gone
after that!
James
Ken Arck wrote:
At 03:13 PM 2/1/2005 -, you wrote:
Does anyone have, or know where I can get plans to homebrew
Mine had pigtails, that japanese crap sucks (foil/braid shield). RG 393
was a blessing!
James
Ken Arck wrote:
At 02:55 PM 2/1/2005 -0500, you wrote:
And they have lots of duplex noise, even on 440 :) I changed all
the cabling on mine to RG 393 (142, 214 would work too). Duplex
I've seen a low band do well over 80, but much past that and it
immediately shuts down :)
James
Ted Bleiman K9MDM - MDM Radio wrote:
i wanna see a maxtrac do 100 watts
mdm
Neil McKie [EMAIL PROTECTED] wrote:
What would you like to know?
Neil - WA6KLA
&quo
put me down as a customer
Kevin Custer wrote:
Hi All,
You may remember the thread on audio quality a while back. One topic
was a replacement module for the stock audio processing circuitry
which is a major cause of limited audio bandwidth from some
manufacturers and models of
god bless your soul :) my TPL (toilet paper linear) experiences have
been much less than good (low band HMS units). They made improvements in
the later ones, but they seem to be very narrow banded and very antenna
picky.
James
nj902 wrote:
Before I try contacting the manufacturer, I though
where are you??
James
Dave VanHorn wrote:
third, they go back in a box for a trip back to mama (tx/rx)
Nobody around with a spectrum analyzer or service monitor?
Yahoo! Groups Links
* To visit your group on the web, go to:
http://groups.yahoo.com/group
I have the equipment, but I'm in CT. You are better off sending it to
TX/RX if you cannot find someone locally.
James
Dave VanHorn wrote:
At 05:55 AM 4/25/2005, James wrote:
where are you??
Muncie IN
Yahoo! Groups Links
* To visit your group on the web, go
ooops, sorry!
Dave VanHorn wrote:
At 04:15
PM 4/25/2005, James wrote:
I have the equipment,
but I'm in
CT. You are better off sending it to TX/RX if you cannot find
someone locally
Thread entanglement warning.. I'm not looking to have anything tuned, I
was offering to help tune, as I
I want to know as well (me - someone who does not use spectrum or
maggiore)
James
Gary Laforce wrote:
I'm like a kid a Christmas I can't wait to open that email.
Gary LaForce
Chariton Valley TriStar Communications
Columbia Service Department Supervisor
573.441.2224 Direct Shop
I re-use connectors if they are placed where I can get to them easily.
I would never ever re-use a connector on top of a tower or other high
place I can't get to easily. I hate going up to fix antennas. (Can you
tell I have done this once or more )
James
Eric Lemmon wrote:
Skipp
These are tough. If it comes up EPROM CS ERROR, then you can just send
the codeplug again (most of the time). If this does not work, you will
need to send it to the Motorola repair center.
James
Steve Helton wrote:
I have a UHF Motorola CDM1250 that is part of a repeater. While
cavities. If that does not work, I would
not be looking at your repeater, but maybe a mix in someone elses PA, or
maybe something else around the site. I have been through this kind of
thing before, but it was part 15 devices causing my problems.
James
Mathew Quaife wrote:
I'm looking
Is the TE 1452RH a repeater amplifier (as in 100% duty cycle at rated
400W output??)
James
Tom Swisher WA8PYR wrote:
All;
I'm getting ready to do a repeater rebuild, in which I'll be
installing a TE Systems 1452RH power amp driven by a 1405S amp (driven
in turn by a GE MastrII exciter
Anyone got one reasonably priced, I am looking for one of these units to
bring a local amateur repeater back to life.
James WJ1D
Yahoo! Groups Links
* To visit your group on the web, go to:
http://groups.yahoo.com/group/Repeater-Builder/
* To unsubscribe from this group, send
The nearest DIODE is all you need to demod some AM, seen it many times
in various things. Just not a micor yet.
Ken Arck wrote:
At 03:54 PM 8/5/2005 -0400, you wrote:
Yeah, it actually happend to us, with a Micor rx mounted in a
non-unified chassis separated from the rest of
I think you would need Decibels 5 foot (60) off the tower side mount to
make a reasonably true omni pattern out of that.
kc4fwc wrote:
Hello Group,
Have a dual antenna system for a 2M repeater. Decibel DB-222 top
mounted, clears the tower and is oriented for omni-directional
coverage. TX
It also decodes on my old netscape mail here :) (based on the same
mozilla framework). I am also a firefox/thunderbird user, and am
trying out the beta for the next firefox (deer park alpha 2)
James
Mark A. Holman wrote:
Time to dump IE and get Firefox also Thunderbird, I made
.
James
Richard wrote:
Oh, ummm... isn't that the same as a comma? GRIN
Yahoo! Groups Links
* To visit your group on the web, go to:
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* To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
* Your use of Yahoo! Groups
Yes you can! Mine receives at 446.550, and transmits at 441.550. If you
receive below 444, chances are that the receive performance won't be as
good as it should be.
To program it, hold down the shift key and type in the frequency (let up
on the shift key while typing the decimal).
James
station. (If you use the
external control, the ID-8 module won't be needed).
Hope that helps ... my 0.02 worth.
James WJ1D
Yahoo! Groups Links
* To visit your group on the web, go to:
http://groups.yahoo.com/group/Repeater-Builder/
* To unsubscribe from this group, send an email
, and you'll get
awesome results! (Real RG214 would probably be good too).
James
Yahoo! Groups Links
* To visit your group on the web, go to:
http://groups.yahoo.com/group/Repeater-Builder/
* To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
* Your use of Yahoo
I have a complete G7 that I just pulled from back-up service. Never was
really happy with the way it worked. If you are local to CT area, email
me direct.
James WJ1D
Yahoo! Groups Links
* To visit your group on the web, go to:
http://groups.yahoo.com/group/Repeater-Builder
of them crushed down over time under the mounting plate).
The cheapest thing I have used on my 2 meter repeater stuff now is a
Diamond that was silver soldered at every joint.
James
Joe wrote:
I was not the person looking for the coil, just made a comment about the
Hustler antenna.
Just
remember on my G7 following the MFR instructions for coating
it with a clear enamel after it was tuned ... maybe all that was good
for was to keep the cheap aluminum from corroding).
James
I disagree...
Like
any other cheap solution, with the proper care (replace ground plane
radials with solid rod
I guess I'll reply to this one too. My G7 is about 5 years old now. I
also had a G6 (which I later gave away to someone who wanted a base
antenna) that I had about 8-10 years ago. I at one point even had a
Ringo Ranger and hated that one for anything duplex.
James
[EMAIL PROTECTED] wrote
I did, and I am happy with it. 2 meters is well centered for that
antenna, and the SWR is nice and low.
James
Chappy wrote:
We plan to buy a new DB-224 antenna for 146.34/94.
We notice the popular model covers 150-160 MHz.
Also available is a model covering 138-150 MHz, for about $50
TE SYSTEMS!! They are in California, and their amps seem to do a fine
job on my system.
James WJ1D
derigent1 wrote:
I'm working on re-activating my long dormant 220MHz repeater in Cherry
Valley NY. My old TPL, 100 Watt PA died long ago after an anomalous
high voltage event
I can't
a received signal), and the other unit has more than 1.5 seconds that it
seems to delay before it will turn on the transmit after receiving a
valid signal.
Thanks!!
James
w7cwk wrote:
I am in need of a service manual or at the least a schematic for a VXR-
7000V repeater. Yaesu/Vertex has not been
board, they might be labeled to some extent.
James
Maire-Radios wrote:
should be a pin out
but may need to change a juniper.\
-
Original Message -
From:
[EMAIL PROTECTED]
To:
Repeater-Builder@yahoogroups.com
Sent:
Friday, April 28, 2006 12
, and about 4.5 MHz VHF.
James
ochf13 wrote:
I am having difficulty finding the minimum frequency separation freq
range for kenwood TKR-750/850 and motorola R1225 repeaters. Used in
Ham. Any Help and any ham clubs using please email me off group.
Thanks,
Chris
NH7QH
Aiea, HI
That really sounds like a newer communications specialists unit. (SS 64,
encode only).
Red +12 V
Black Ground
Orange PTT out
Grey PTT In
Yellow CTCSS out.
James WJ1D
Jim Brown wrote:
I have a tone encoder circuit board with no markings that uses a
MC68HC705J1ACDW processor to encode
for the legality question!)
James WJ1D
On batlabs http://www.batlabs.com/images/maxacc2.gif
it shows the five pin connector with pin one towards edge of radio and numbers
going 1,4,2,3,5.
On Repeater Builder
http://www.repeater-builder.com/maxtrac/maxtrac-option-plug.html
it shows number one pin towards the outside of the radio and
Hello to the group. Knowing most of you have service monitors for the Repeater
Builder Hobby, I wanted to pose the following question. What method do you use
to protect the input of your service monitor from excessive RF Power input? I
am referring to the input/output jack that is limited to
I have been following the 9.6 Volt Micor Voltage information. One post
indicated that if one were to replace the Stock MICOR Supply with a switcher
and add the 9.6 Volt circuit, the monthly electric bill to run the repeater
could be significantly reduced. Is this due to the fact that the
Hi Guys,
We have been experimenting with building CTCSS Units using the 567 Tone Chip
and good components, i.e. Caps, multi turn pots etc. The stability is not good
in my opinion. We will set it to 107.2 and the next time you check it is off
enough to where it won't decode until it is re-tuned
Hi Guys,
I am trying to download a schematic on this site for the RS50M Power Supply and
keep getting a 404 Error on each attempt on all the supplies. Any ideas?
Also our above mentioned power supply which operates our 2 Meter and 440
Repeaters and a low power link started humming yesterday. A
Thanks to all who replyed to my question on the Astron.
Mike, I did not check the box on the 404 Error, but Chuck sent me a copy of the
schematic and when I returned to the site they all opened.
Thanks for the heads up on the Astron Page, I am re-reading as I don't think I
have the Cap. you
Hi Guys,
Is there a link to tuning a low band mastr II? I have googled and find all
kinds of VHF High and UHF but not Mastr II Low. I want to tune to six meters.
Thanks JIM KA2AJH
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