RE: [Repeater-Builder] Building a repeater from a few mobiles?

[Dakota Summerhawk]

Looking at Kenwood Commercial radios or Motorola Commercial radios I
have both and was thinking that the duty cycle is not that much as it
would be a special event repeater anyways. But I need more information
on the subject to get one up and running. 
Thanks
Dakota

-Original Message-
From: Ralph Mowery [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, July 28, 2004 7:23 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Building a repeater from a few mobiles?



--- Dakota Summerhawk [EMAIL PROTECTED] wrote:

 I am looking for some information to be able to
 build a repeater from
 two mobiles that I have. Is it posssible to use a
 duplexer and the 
 mobiles? I have seen a few on ebay and was not sure
 that what I see 
 is all I need. I would like to have the ability to
 have them as a 
 

What kind of mobiles ?  Are they the ham type or some
of the comercial types ?  The ham type are not usually
very well shielded and you will have to install them
in somekind of shielded box.  If it is something like
a GE Mastr ll then you could use just one mobile as
all the reciever and transmitter circuits are seperate
and shielded from each other.





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[Repeater-Builder] FAA Paint Removal

[W8KT]

OK, dumb question I know. The local government here says any towers in 
the village nust be silver or grey. Cables can be silver or black. I 
just aquired some hardline that I woulld like to use, but it is painted 
FAA colors. Anyone ever try to remove paint from hardline? The coat is 
not thick, appears to only have been painted once. Flame suit on.

Bob






 
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[Repeater-Builder] Mastr II

[Ray Rosler]

Further to my earlier posts be advised that I am 
converting a mobile to a repeater, and I am looking for a schematic for a sys 
board part number 19D416602G1

Ray
VE5RAE













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Re: [Repeater-Builder] FAA Paint Removal

[Steve Grantham]

This is a twist.  It is usually the FAA that's giving the grief because
of faded paint, which would require repainting in aviation colors.  I
take it you are putting it on a short tower that's not registered with
the FCC/FAA.

It is possible that it could be anything from latex to enamel.  Maybe
you could cut off a foot or two and carry it by your local paint store. 
If they can't recommend a solvent, maybe they can recommend some black
or silver paint to cover it with.

73,
Steve, AA5SG

On Thu, 2004-07-29 at 18:58, W8KT wrote:
 OK, dumb question I know. The local government here says any towers in 
 the village nust be silver or grey. Cables can be silver or black. I 
 just aquired some hardline that I woulld like to use, but it is painted 
 FAA colors. Anyone ever try to remove paint from hardline? The coat is 
 not thick, appears to only have been painted once. Flame suit on.
 
 Bob
 






 
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Re: [Repeater-Builder] Re: Question on 220 GE master pro

[N6KYD]

I have a UHF Mastr Pro receiver on a repeater that had the same problem. The
audio off the terminal strip is very bassy. I solved the problem by taking
the audio from the volume pot.
Mike N6KYD
- Original Message - 
From: Bob Dengler [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, July 29, 2004 10:13 AM
Subject: Re: [Repeater-Builder] Re: Question on 220 GE master pro


 At 7/29/2004 09:01 AM, you wrote:
   Jed Barton [EMAIL PROTECTED] wrote:
   Hey guys.
   Just finished a major overhall on our club repeater.
   The receiver is working fine, it's a GE master pro.
   I've got one issue, the audio is very very basy.
   Is there any way to flatten it out and get some more high end audio?

 What's your transmitter?  Sounds like you have de-emphasized audio feeding
 an FM transmitter.

 If that's not the problem, it may be where you're taking the audio from
the
 Mastr Pro RX.  As I recall there's two places to get it; one has a rolloff
 around 4 kHz.  Not a problem for most people since standard NBFM should
 rolloff at 3 kHz, but if you're going for maximum fidelity you may want to
 find the unfiltered audio point.

   Anyone had experience working with the master pro on 220?
   I discovered one thing, without a preamp she's toast.
   It needs a preamp big time.

 Even the unmodified Mastr Pros are a bit deaf on UHF (~0.5 uV for 20 dB
 quieting); preamps are required equipment for that RX IMO.  If the mod
 wasn't done well, it would be quite deaf.  How does it do with the preamp?

 Bob NO6B







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[Repeater-Builder] Looking for a VHF vertex vxr5000 trade....

[n2len]

I have to trade

1: Scom 7K
2: TPL UHF 100 Watt repeater amplifier 19 rack mount

thank you,
Len N2LEN






 
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RE: [Repeater-Builder] Re: Kendecom transmitter

[Jed Barton]

Hey dude, thanks a bunch, that's awesome.

Lata,
Jed

-Original Message-
From: Stephen Johnson [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 29, 2004 8:03 PM
To: Repeater-Builder@yahoogroups.com
Subject: [Repeater-Builder] Re: Kendecom transmitter


Jed,

I have schematics/layout for the MCS-TR216-250 transmitter/PA 
board.  If that's what you're looking for, the power adjust is R31, 
which is right in the corner of the board surrounded by two 
inductors L6 and L7.

HO

--- In Repeater-Builder@yahoogroups.com, Jed Barton [EMAIL PROTECTED] 
wrote:
 Hey guys.
 I've got a kendecom transmitter for our club repeater.
 Here's the issue, I need to turn it down to about 5 watts.
 Where do I do it? 
 She does about 8 or 9 watts out of the box on 223.980
 Any thoughts on what pot to turn?
 
 Thanks,
 Jed





 
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[Repeater-Builder] GE Mastr II/IDA Controller - Selective COR?

[derek_mcintyre]

I am using a full blown GE Mastr II repeater station with an IDA 
control board (I suppose this is a factory installation).  It has a 
speaker on the front, with a volume control and a few selector 
switches, and jumpers on the board which select time out, hang time, 
etc.  I have a CW identifier interfaced as well.

I am not using any additional controller with this station and am 
having a strange problem.  Quite often, the repeater seems to drop 
users.  It's not a time-out timer problem.  Users will be talking.  
One will un-key, and the next one will pick it up, but the repeater 
will NOT repeat!  When he finally unkeys, the next user will pick it 
up and it will work just fine.  It's not one user in particular.  
There is no time frame associated with it.  It's like the unit has 
selective COS.  It drops whoever it wants to.

Is there anything that you can think of that would make this happen?  
I have changed hang times all over the place, even took the time out 
timer to 10 minute mode.  In the manual there is a master timer but 
I don't think this is a timing issue.  If I can't get this 
straightened out, I'll probably wind up having to put an external 
controller on the thing.  Any suggestions?

Thanks
KC4FWC






 
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[Repeater-Builder] Re: GE Mastr II/IDA Controller - Selective COR?

[Coy Hilton]

Who made the MASTR Eleven and what years?  :-) (-;

--- In Repeater-Builder@yahoogroups.com, John J. Riddell 
[EMAIL PROTECTED] wrote:
 We had a similar problem here about 20 years ago on VE3RSOa 
fully
 commercial set-up
 Mastr 11 repeater and as I recall it was a 555 timer that needed 
a .01 Mfd
 bypass installed on one of the
 leadsI'll try to dig thru my notes to see if it was documented.
 It's on one of the boards in the control shelf.
 
 John VE3AMZ
 
 
 - Original Message - 
 From: derek_mcintyre [EMAIL PROTECTED]
 To: Repeater-Builder@yahoogroups.com
 Sent: Thursday, July 29, 2004 9:54 PM
 Subject: [Repeater-Builder] GE Mastr II/IDA Controller - Selective 
COR?
 
 
 | I am using a full blown GE Mastr II repeater station with an IDA
 | control board (I suppose this is a factory installation).  It 
has a
 | speaker on the front, with a volume control and a few selector
 | switches, and jumpers on the board which select time out, hang 
time,
 | etc.  I have a CW identifier interfaced as well.
 |
 | I am not using any additional controller with this station and am
 | having a strange problem.  Quite often, the repeater seems 
to drop
 | users.  It's not a time-out timer problem.  Users will be 
talking.
 | One will un-key, and the next one will pick it up, but the 
repeater
 | will NOT repeat!  When he finally unkeys, the next user will 
pick it
 | up and it will work just fine.  It's not one user in particular.
 | There is no time frame associated with it.  It's like the unit 
has
 | selective COS.  It drops whoever it wants to.
 |
 | Is there anything that you can think of that would make this 
happen?
 | I have changed hang times all over the place, even took the time 
out
 | timer to 10 minute mode.  In the manual there is a master 
timer but
 | I don't think this is a timing issue.  If I can't get this
 | straightened out, I'll probably wind up having to put an external
 | controller on the thing.  Any suggestions?
 |
 | Thanks
 | KC4FWC
 |
 |
 |
 |
 |
 |
 |
 | Yahoo! Groups Links
 |
 |
 |
 |
 |





 
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[Repeater-Builder] New-be and question(s)

[Edgar McKinney]

Hello from KB 8 QEU

I just found this e-group.

In my area, Monroe County, West Virginia, I want to put up a 1200 Mcsa
repeater with the purpose of using it as a hub to other repeaters on
the VHF and UHF bands.

The general idea is to have the 1200 rep to do all the iding and ops
while the linked repeaters be as half-duplexes with no bells n
whistles themselves.

However, I have yet to find any 1200 Mcs equipment.

Sugestions please.

Ed - [EMAIL PROTECTED]






 
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Re: [Repeater-Builder] Re: GE Mastr II/IDA Controller - Selective COR?

[mch]

OOOPS! That should have been a IV, not a VI (4,
not a 6). Simple typo transposing the 'letters'.

Joe M.

Joe Pedulla wrote:
 
 So what happened to Mastr IV  V ?
 
 BTW To the original post, its MASTR II as in MASTR 2
 
 -Original Message-
 From: mch [mailto:[EMAIL PROTECTED]
 Sent: Thursday, July 29, 2004 23:03
 To: Repeater-Builder@yahoogroups.com
 Subject: Re: [Repeater-Builder] Re: GE Mastr II/IDA Controller -
 Selective COR?
 
 It's about 24 companies down the acquision road
 from what is now M/A-Com, and date is not known. ;-
 They have to get through MASTR VI-X (4-10) first.
 
 Joe M.
 
 Coy Hilton wrote:
 
  Who made the MASTR Eleven and what years?  :-) (-;
 
 
 Yahoo! Groups Links
 
 
 
 
 Yahoo! Groups Links
 
 
 






 
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RE: [Repeater-Builder] Re: GE Mastr II/IDA Controller - Selective COR?

[Joe Pedulla]

So what happened to Mastr IV  V ?

BTW To the original post, its MASTR II as in MASTR 2 

-Original Message-
From: mch [mailto:[EMAIL PROTECTED]
Sent: Thursday, July 29, 2004 23:03
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Re: GE Mastr II/IDA Controller -
Selective COR?


It's about 24 companies down the acquision road
from what is now M/A-Com, and date is not known. ;-
They have to get through MASTR VI-X (4-10) first.

Joe M.

Coy Hilton wrote:
 
 Who made the MASTR Eleven and what years?  :-) (-;




 
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[Repeater-Builder] Re: New-be and question(s)

[Michael J.Talkington]

How about 220 MHz?

--- In Repeater-Builder@yahoogroups.com, Edgar McKinney 
[EMAIL PROTECTED] wrote:
 Hello from KB 8 QEU
 
 I just found this e-group.
 
 In my area, Monroe County, West Virginia, I want to put up a 1200 
Mcsa
 repeater with the purpose of using it as a hub to other repeaters on
 the VHF and UHF bands.
 
 The general idea is to have the 1200 rep to do all the iding and ops
 while the linked repeaters be as half-duplexes with no bells n
 whistles themselves.
 
 However, I have yet to find any 1200 Mcs equipment.
 
 Sugestions please.
 
 Ed - [EMAIL PROTECTED]





 
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Re: [Repeater-Builder] New-be and question(s)

[Q]

Yeah,try 902 instead,more equipment available. Check out the AR902MHZ
yahoogroup.
- Original Message -
From: Edgar McKinney [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Thursday, July 29, 2004 12:38 PM
Subject: [Repeater-Builder] New-be and question(s)


 Hello from KB 8 QEU

 I just found this e-group.

 In my area, Monroe County, West Virginia, I want to put up a 1200 Mcsa
 repeater with the purpose of using it as a hub to other repeaters on
 the VHF and UHF bands.

 The general idea is to have the 1200 rep to do all the iding and ops
 while the linked repeaters be as half-duplexes with no bells n
 whistles themselves.

 However, I have yet to find any 1200 Mcs equipment.

 Sugestions please.

 Ed - [EMAIL PROTECTED]







 
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[Repeater-Builder] Re:FAA Paint Removal

[Joe]

Your question is not dumb, but you have to keep in mind that thereappear to bepolitics involved in the tower that you want to go onto. This can lead to very big problems, if you are not careful.

I would really think twice before trying to use the cable. Removing the paint can be a really time consuming job and any solvent may damage the outer casing of the hardline. Painting over the old paint may look good now, but may start to peel off in time. This may cause a headache in the near future with the local government, as it may become quite ugly. Cellular companies are beginning to replace older coax that is still quite serviceable, I would try to look for an unpainted piece. Just curious, what size hardline do you have and how long is it?

A little insight.I have always said that, if you are an nonpaying guest on a tower, you should do all you can to keep a low profile. Make your installation look exactly like what is on the tower as far as quality of work and components. For example, stay away from tie-wraps and black tape to secure the coax to the tower. #12 gage black insulated wire used as "tie-wire" is a better choice and is quite affordable. Using coax that may peel off black paint might cause a firestorm from the local government towards the tower owner in the future and may just get you thrown off the site.Having to replacethe coax in the future will add tower climbing time to the project that means added liability to the tower owner. One of my sites requires $1M insurance to do any tower work,a very commonamountin today's world of liabilities and lawsuits. I've worked out a deal with an insured tower climber to barter work. I put
 the best stuff on the tower that I can afford to minimize tower climbing time.

73, Joe, K1ikeRepeater-Builder@yahoogroups.com wrote:
Subject: FAA Paint RemovalOK, dumb question I know. The local government here says any towers in the village nust be silver or grey. Cables can be silver or black. I just aquired some hardline that I woulld like to use, but it is painted FAA colors. Anyone ever try to remove paint from hardline? The coat is not thick, appears to only have been painted once. Flame suit on.Bob













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Re: [Repeater-Builder] New-be and question(s)

[Mr. Edgar McKinney]

Interesting. Where can one find 900 frequencies avaliable that is not
took up by cell phones? Also Where can I find the 900 Mcs equipment vs 1200
Mcs?

Ed

Q wrote:

 Yeah,try 902 instead,more equipment available. Check out the AR902MHZ
 yahoogroup.
 - Original Message -
 From: Edgar McKinney [EMAIL PROTECTED]
 To: Repeater-Builder@yahoogroups.com
 Sent: Thursday, July 29, 2004 12:38 PM
 Subject: [Repeater-Builder] New-be and question(s)

  Hello from KB 8 QEU
 
  I just found this e-group.
 
  In my area, Monroe County, West Virginia, I want to put up a 1200 Mcsa
  repeater with the purpose of using it as a hub to other repeaters on
  the VHF and UHF bands.
 
  The general idea is to have the 1200 rep to do all the iding and ops
  while the linked repeaters be as half-duplexes with no bells n
  whistles themselves.
 
  However, I have yet to find any 1200 Mcs equipment.
 
  Sugestions please.
 
  Ed - [EMAIL PROTECTED]


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Re: [Repeater-Builder] GE Mastr II/IDA Controller - Selective COR?

[RSGilmore]

Could it be a control tone issue?  Controller decoding a voice audio
component as a mute/disable command ??

Hereabouts, something about a certain YL's voice-pitch would trip the
autopatch DTMF mute -- she got some teasing about being able to yodel a
phone number...  ;-D)


On Fri, 30 Jul 2004 01:54:00 - derek_mcintyre
[EMAIL PROTECTED] writes:
  Quite often, the repeater seems to drop users.  
 It's not a time-out timer problem.




 
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Re: [Repeater-Builder] New-be and question(s)

[russ]

In the front of the ARRL repeater book. Or your local cord body. That would
be a good start. We have repeaters on 927 tx and 902 RX using the Vester
Scott band plan it works wonderful!
73 Russ, W3CH

- Original Message - 
From: Mr. Edgar McKinney [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, July 30, 2004 8:28 AM
Subject: Re: [Repeater-Builder] New-be and question(s)


 Interesting. Where can one find 900 frequencies avaliable that is not
 took up by cell phones? Also Where can I find the 900 Mcs equipment vs
1200
 Mcs?

 Ed

 Q wrote:

  Yeah,try 902 instead,more equipment available. Check out the AR902MHZ
  yahoogroup.
  - Original Message -
  From: Edgar McKinney [EMAIL PROTECTED]
  To: Repeater-Builder@yahoogroups.com
  Sent: Thursday, July 29, 2004 12:38 PM
  Subject: [Repeater-Builder] New-be and question(s)
 
   Hello from KB 8 QEU
  
   I just found this e-group.
  
   In my area, Monroe County, West Virginia, I want to put up a 1200 Mcsa
   repeater with the purpose of using it as a hub to other repeaters on
   the VHF and UHF bands.
  
   The general idea is to have the 1200 rep to do all the iding and ops
   while the linked repeaters be as half-duplexes with no bells n
   whistles themselves.
  
   However, I have yet to find any 1200 Mcs equipment.
  
   Sugestions please.
  
   Ed - [EMAIL PROTECTED]
 
 
  Yahoo! Groups Links
 
 
 
 







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Re: [Repeater-Builder] New-be and question(s)

[Jim B.]

Edgar McKinney wrote:

 Hello from KB 8 QEU
 
 I just found this e-group.
 
 In my area, Monroe County, West Virginia, I want to put up a 1200 Mcs
 repeater with the purpose of using it as a hub to other repeaters on
 the VHF and UHF bands.
 
 The general idea is to have the 1200 rep to do all the iding and ops
 while the linked repeaters be as half-duplexes with no bells n
 whistles themselves.
 
 However, I have yet to find any 1200 Mcs equipment.
 
 Sugestions please.
 
 Ed - [EMAIL PROTECTED]
 

Have you thought about 900Mhz? There's a bunch of commercial stuff that 
is not hard to convert (and some that is).
Check out the AR902Mhz yahoo group files section and archives.

-- 
Jim Barbour
WD8CHL





 
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Re: [Repeater-Builder] New-be and question(s)

[Jim B.]

Mr. Edgar McKinney wrote:
 Interesting. Where can one find 900 frequencies avaliable that is not
 took up by cell phones? Also Where can I find the 900 Mcs equipment vs 1200
 Mcs?
 
 Ed
 

HUH??? Cell phones aren't on 900! They stop at 890-something. The ham 
band is 902-927.
-- 
Jim Barbour
WD8CHL





 
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[Repeater-Builder] Re: GE Mastr II/IDA Controller - Selective COR?

[derek_mcintyre]

Thanks much for the info.  Just the type of answer I was searching 
for.  I'll try that this weekend.  Thanks again,
KC4FWC


 Regarding the time out problem in the GE Mastr II,  check the 
repeater
 control board, 19D417385 G2
 and add a .01 capacitor from pin 5 of U-1 and U-2 (555 timers) to 
ground.
 These were ommitted by GE
  for some reason, and if missing can make these timers unstable.
 
 Quoting the Sams 555 timer applications sourcebook, Page 18:
 
  If the control pin (Pin 5) is not used, it is recommended
 that it be bypassed to ground with a .01 mfd capacitor to prevent 
any noise
 from altering the calculated pulse width
 
 73  John VE3AMZ   Waterloo, Ontario.
 






 
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Re: [Repeater-Builder] New-be and question(s)

[Neil McKie]

  Yes, I am home now. 

  Neil 

Mr. Edgar McKinney wrote:
 
 Are you home now, Neil?
 
 Neil McKie wrote:
 
Try 902 - 928 ...
 
Neil
 
  Jim B. wrote:
  
   Mr. Edgar McKinney wrote:
Interesting. Where can one find 900 frequencies avaliable that is 
not
took up by cell phones? Also Where can I find the 900 Mcs equipment vs 
1200
Mcs?
   
Ed
   
  
   HUH??? Cell phones aren't on 900! They stop at 890-something. The ham
   band is 902-927.
   --
   Jim Barbour
   WD8CHL
  
  
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[Repeater-Builder] Re: New-be and question(s)

[vesterscott]

Russ,

Thanks for the plug, but it's undeserved. 

Ralph N4NEQ and Lin N4YCI developed the sum and substance of the 
current SERA 900 bandplan. Period. The pre-existing SERA 900 
bandplan was basically useless. Ralph and Lin did 100%of the 
research and compilation, basing it (perhaps) on a similar bandplan 
that had proven successful in CA. 

All I ever did was present a couple of simple (but obvious) 
coordination recommendations for the purpose of making more 
efficient use of the existing SERA 900 bandplan. Fortunately, this 
didn't require many brain-cells.

As far as I know, SERA has never publicly acknowledged that Ralph 
and Lin developed this valuable contribution to amateur radio.

73,

Vester N8EKA

--- In Repeater-Builder@yahoogroups.com, russ [EMAIL PROTECTED] wrote:
 In the front of the ARRL repeater book. Or your local cord body. 
That would
 be a good start. We have repeaters on 927 tx and 902 RX using the 
Vester
 Scott band plan it works wonderful!
 73 Russ, W3CH
 
 - Original Message - 
 From: Mr. Edgar McKinney [EMAIL PROTECTED]
 To: Repeater-Builder@yahoogroups.com
 Sent: Friday, July 30, 2004 8:28 AM
 Subject: Re: [Repeater-Builder] New-be and question(s)
 
 
  Interesting. Where can one find 900 frequencies avaliable 
that is not
  took up by cell phones? Also Where can I find the 900 Mcs 
equipment vs
 1200
  Mcs?
 
  Ed
 
  Q wrote:
 
   Yeah,try 902 instead,more equipment available. Check out the 
AR902MHZ
   yahoogroup.
   - Original Message -
   From: Edgar McKinney [EMAIL PROTECTED]
   To: Repeater-Builder@yahoogroups.com
   Sent: Thursday, July 29, 2004 12:38 PM
   Subject: [Repeater-Builder] New-be and question(s)
  
Hello from KB 8 QEU
   
I just found this e-group.
   
In my area, Monroe County, West Virginia, I want to put up a 
1200 Mcsa
repeater with the purpose of using it as a hub to other 
repeaters on
the VHF and UHF bands.
   
The general idea is to have the 1200 rep to do all the iding 
and ops
while the linked repeaters be as half-duplexes with no bells 
n
whistles themselves.
   
However, I have yet to find any 1200 Mcs equipment.
   
Sugestions please.
   
Ed - [EMAIL PROTECTED]
  
  
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Re: [Repeater-Builder] Re: New-be and question(s)

[mch]

Mr. Edgar McKinney wrote:
 
 Can one say having two 222
 repeaters on the same tower not interfere with each other?

If they are using quality equipment (granted, a problem with 220)
and a halfway decent duplexer, they should never see each other.

Joe M.




 
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[Repeater-Builder] Another mystery card

[Al Wolfe]

Group,
 I have another mystery card 
here. It came from a Micor station and says "MULTI PL DECODER" on the front and 
has four reeds in it. The part number is TLN5745A. I have a gob of Micor manuals 
but this one I can't find. Anyone have any tech data on this they'd care to 
share?

Thanks,
Al, K9SI













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Re: [Repeater-Builder] Another mystery card

[Mike WA6ILQ]

At 12:44 PM 7/30/04, you wrote:
Group,
 I have another mystery card
here. It came from a Micor station and says MULTI PL DECODER
on the front and has four reeds in it. The part number is TLN5745A. I
have a gob of Micor manuals but this one I can't find. Anyone have any
tech data on this they'd care to share?

Thanks,
Al, K9SI
I have two of those cards (one in service and one spare), but my docs
evaporated.
Call Moto Parts ID and give them the TLN number, they were able to fax me

the schematic of the card. Unfortunately I loaned my Micor repeater
binder out 
about 2 years ago and I had to retrieve it under rather unpleasant
circumstances 
and it came back missing about 1/5 of the contents, and the docs on that
card 
was part of what was missing. This is one reason that I no longer
loan stuff out...
I will meet anyone at a xerox shop somewhere but my originals arrive and
leave 
with me...
As I remember the card goes in the single-tone decoder slot of a Micor
control 
chassis and provides 4 PL decoders in addition the one in the RX chassis.

I modified the card by adding 2mm LEDs above each switch and a DB-9
female 
on the front plate. The LEDs and the DB-9 outputs were driven by NPN open

collector drivers I added to the board.
We needed to allow 146.2hz all the time and to enable 100hz and 127.3 as
needed.
A small relay board was controlled by digital outputs on the Scom 7K and
the 
enabled PLs were diode ORed to the PL input to the 7K. A TS-32 was
controlled
by the 7K and sent 146.2 or 100hz as needed.
If you get usable docs from Moto please send me a copy for
repeater-builder.com
Mike WA6ILQ














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