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Hi All,

I am looking for recommendations for a UHF and VHF Receive Pre-Amp. If
you have any good, or bad, experiences, please share them with me. Also, if
you have any phone numbers or Web addresses, they would be greatly
appreciated as well.

Thanx
Mike

would anyone have info. about the control shelf for the msf5000 vhf repeater. i know how to program, i am wondering if anyone has or knows of one for sale. one that has all the boards and i working order
thank you

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Ken,

Don't know about that specific programmer, but many low cost (and even some
not so low cost) programmers don't know about differences in manufactuer
specific programming algorythms. If your programmer doesn't differentiate
between manufacturers, or know about device ID's, that might be an
indication that it is unaware of minor differences in each device.

I'll extend an offer to you, or anyone who needs this kind of service for
repeater related activities, to program devices for you if you cover the
cost of shipping. Data I/O is in the top tier or device programmers and
works closely with the device manufactures, but the price tag reflects it.
;-(

I can also handle EEPROM's (such as those commonly used to control
frequency assigments in commercial radios) and most any other programmable
devices made.

Interested parties should contact me directly.

73,

--Dave / KA9FUR

* REPLY SEPARATOR *

On 5/29/99 at 8:50 PM Ken Califf wrote:

From: Ken Califf <crkside@...>

I am trying to program a set of EPROM's for the ACC RC850 controller. I
have downloaded the data from Link and I also have read in from an
Original set of version 3.8 EPROM's from a working controller. When I
program the 4 EPROM's, U8, U16, and U17 program and work perfectly, but
I have not been able to get U15 to program right. When my programmer is
verifying the data in the eprom to the data in the buffer, it detects
errors and the chip will not work correctly in the controller. I am
using a Rommax from EE Tools that has worked perfectly so far on all
other chips I have burned and I have tried several different 27C011
EPROM's with the same results. Any ideas or help would be appreciated.


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--Dave

Hi All,

I am looking to purchase a manual, or copy of a service manual for a UHF
Micor base/repeater station. The unit currently contains the low power, 50
watt pa. I don't have the model number here, but can provide it if need be.

I am also looking to see if any one knows where I can get discriminator
audio from the receiver. I prefer to get it at the card cage, but am not
picky, I would take it from any where.

If you have the service manual, or have the answer to my other problem,
please E-mail me at HQ54@....

I am trying to program a set of EPROM's for the ACC RC850 controller. I
have downloaded the data from Link and I also have read in from an
Original set of version 3.8 EPROM's from a working controller. When I
program the 4 EPROM's, U8, U16, and U17 program and work perfectly, but
I have not been able to get U15 to program right. When my programmer is
verifying the data in the eprom to the data in the buffer, it detects
errors and the chip will not work correctly in the controller. I am
using a Rommax from EE Tools that has worked perfectly so far on all
other chips I have burned and I have tried several different 27C011
EPROM's with the same results. Any ideas or help would be appreciated.

With regards to your TXRX duplexer...which by the way is one of the finest
made.Contact Bob at TXRX for tech support.He can mail you some info on how
to do it.

E-mail him at; bobl@...

Enjoy...Paul,VE3GRW

Hi All,

I baught a TXRX duplexer at Dayton this year, and I would like to tune
theunit up. I have seen all the tuneup info on the net, however, the TXRX
has some sort of adjustment on the top, something about rotating some sort

of

disc on the top of the can. I am sure if you have a TXRX duplexer, or are
familiar with the tune up instructions, you will know what I am talking
about. If you could help me out in any way, I would certainly appreciate it.

Thanx
Mike

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It's working. I've got a question. What do you do with master 2 on 39.5
meg. this is a tripler pa instead of going to 6mtrs. what about going down
to 10 mtrs. Just a question to ponder. I enjoy reading list every night.
Keep up the good work Kevin really do enjoy it.73's all Paul n5zdg


At 10:48 AM 5/27/99 -0400, you wrote:

From: "BILL H." <ynzbill@...>

This is a test to see if i dropped off the list.........................
Bill WA4YNZ








Mike Hamann wrote:

From: "Mike Hamann" <wb6csh@...>

Norm,
Here are some internet sites regarding repeater mods to
Motorola and GE radios:





and some good controllers at:


73,
Mike, WB6CSH

From: Norman Dyck <n.dyck@...>

Hi
I am looking in to building a repeater. I have a Motorola

Mitrek and

have seen some articles on using a single radio to build a

repeater but

the instructions are not very clear. The Mitrek that I have

is all setup

and working, I am now using it as a voice radio to talk to

only one

repeater. It is just the setting up the radio as a repeater

and the

connections for the controller and things like that. I am

also looking

for a controller and it has to be inexpensive. I don't need

phone patch,

or voice ID, but will need to have at least two radio ports

and will

need the manuals also. Another thing that I am looking for

are duplexers

but for now will not need them.

If anyone can help let me know and where to get more

information.

Thanks
Norm
VE5VY

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Hi All,

I baught a TXRX duplexer at Dayton this year, and I would like to tune
theunit up. I have seen all the tuneup info on the net, however, the TXRX
has some sort of adjustment on the top, something about rotating some sort of
disc on the top of the can. I am sure if you have a TXRX duplexer, or are
familiar with the tune up instructions, you will know what I am talking
about. If you could help me out in any way, I would certainly appreciate it.

Thanx
Mike

This is a test to see if i dropped off the list.........................
Bill WA4YNZ








Mike Hamann wrote:

We have a single DECIBEL, DB-812-F-X (special order) antenna for sale!
The spec's. are:

806-901 Mhz, 11.5 dBi gain, brass elements, corporate feed structure. WEIGHT: @ 55 Lbs.
in EXCELLENT condition, with EIA 7/8" flange adaptor with pin.
USED, NOT lightning struck, for $ 400.00 U-ship.
New cost is over $ 3,000.00!!!

Send any reasonable offer to:

Ernest A. Erickson, A.E.C
Applied Electronic Communications
344 Sherry Ave.
Park Falls, WI. 54552
715.762.4773 (Tel./Fax)

73!

On the label is the repeater freq it used: "224.86 / 223.26 "

I need a manual for it. If anyone has one around they would be
willing to copy ( Ill pay for copies and postage if you wish).
Please email me.

-Chris

At 11:40 PM 5/23/99 , you wrote:

I saw this response and was wondering how one could check whether a
Station Master type antenna is broken or not before it gets ligged to the
repeater site. Any help or suggestions would be appreciated.

I have a Wiltron SiteMaters frequency domain reflectometer. What I would
do is connect it up and shake the antenna, or sway it back and forth to see
if the return loss varies with vibration. Kind of unscientific, but may work.

Aside from this, or duplexing it and vibrating the antenna (to make the
cracklies appear), the only way would be to take the antenna apart and
inspect it.

If it's 10 years old or more, I would be suspicious. Also, the antenna
that was described may be a 220Mhz antenna. One ham here in Connecticut
had an antenna made using the 2 meter radome. He had extra elements added
to fill up the space in the 2 meter radome. Ended up with more gain.

Joe, K1ike

wondering how one could check whether a
Station Master type antenna is broken or not before it gets ligged to the
repeater site

Install it on a temporary pole (a few feet off the ground) and hook your
repeater to it. While receiving a weak signal "bump" the antenna and notice
if you hear a static or noisy "popping" on the signal.(You MUST be
duplexing ) If you do , then there's a good possibility the soldered joints
on the elements are broken loose or maybe even melted ! You will be wasting
your time to put it up as is.
You might be able to repair the thing by disassembling and reflowing the
joints. It thakes some time and a good hot iron ( a small torch works too).
A local ham club had this situation twice to happen. They chased all sorts
of problems , finally they went over the rptr custodians head and pulled the
antenna down and put up a temporary antenna. The noise stopped. They asked
for an opinion and I told them since the antenna was less than a year old
send it back. They did and got a credit for another antenna. This time
around they bought a folded dipole antenna( DB224). It operates in the worst
of thunderstorms now without so much static and precip noise.
I have an old station master that was given to me by another club that
experienced the same described noise....a slight breeze could blow and all
sorts of noise would cover up weak signals. I use it for receive only at my
shack..I use a DB228 for my 2 meter repeater. I will tell you (my opinion)
that the fiberglass radomed antennas (diamond,comet,hustler,cellwave,db)are
noisy as far as precip is concerned ...more so than the folded dipole
arrays. And no contest as far as lightning is concerned ! My 228 has
sustained two hits in one month with no apparent damage to the antennas or
7/8 heliax. I dont think too many sticks can claim that! So if you got it
for free ...you got nothing to lose. If you are taking up donations for an
antenna...buy a folded dipole (not the cuss craft or maxrad cheapies with
the open dipoles and rg59).
Good luck

Ed

PD-220,
have an antenna worth close to a grand.

yeah, maybe if the goverment was buying it. Otherwise somewhere around 600
bucks or so new...in the box. Better check it out and make sure it isnt
broken inside before you put it up , only to find it is noisy when
duplexing.
Ed

try resetting the microprocessor:

press and hold MR while turning on power

or

press and hold VFO/M and M.IN and turn on power.

----------

From: K6TAM@...
To: Repeater-builder@...
Subject: [Repeater-builder] Idea's re:Kenwood TM421A
Date: Sunday, May 23, 1999 11:31 PM

From: K6TAM@...

Looking for idea's re: a recently purchased TM421A which I hope to use on

our

local repeater for a remote. The former owner forgot to tell me that it
wouldn't transmit above 445 Mhz. The display indicates correctly and will

program, it just refuses to transmit above that freq.
The jumper settings match another working unit.
Has anyone had a similar experience with one of these radio's?

Any suggestions and help will be appreciated.

The Swap Meet Dummy !! George K6TAM

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Hi Chris,
If that antenna is a model PD-220, it is a 2M not a 220 unit and if it
works(checks
out on a SWR meter on 2M) you have an antenna worth close to a grand. Use
it
in good health.
vy 73 - Bob - W3TGG

Chris W4YYZ wrote:

Did that too but will try it again....tnx for the reply.

Frustrated Swap Meet Dummy