[Repeater-Builder] Have a few photos

[kf4vgx]

have pics to upload but for some reason i dont see add a photo or 
file listed in sections to left ?




 

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[Repeater-Builder] Re: Shorten Tail SQ. on older Repeaters

[kf4vgx]

Thanks guys I was looking for an audio delay website .But the 
Repeater is a VHF Engineering  seral no 1123 




 

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RE: [Repeater-Builder] Need book for Kendecom Mark-4

[NC4AB]

Vince 
-
 
E-mail 
me direct, I think that I have the info on the controller.
 
I owe 
you one for the REPCO Dimension Info.
 
Andy 
-- 
NC Certified Firefighter III / Instructor II / 
EMT-A FCC Licensed Technician / Amateur Call 
NC4AB http://www.brinkleyelectronics.com 

  -Original Message-From: Vincent McKever 
  [mailto:[EMAIL PROTECTED]Sent: Thursday, January 29, 2004 9:22 
  PMTo: Repeater-Builder@yahoogroups.comSubject: 
  [Repeater-Builder] Need book for Kendecom Mark-4
  I have picked up a Kendecom Mark-4 UHF repeater 
  and am in need of operating instructions/book.  I know I can obtain one 
  from acc for $45.00 but like the rest of us I'd like to keep my money to give 
  to uncle sam for tax time.
   
  Thanks...Vince N6OA/2 
  
  
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Re: [Repeater-Builder] Shorten Tail SQ. on older Repeaters

[Mike Morris WA6ILQ]

At 01:56 PM 1/30/04 +, you wrote:

>Any Ideas for an older repeater SQ tail would like to shorten it.

You've essentially said "my car isn't running right, can you
tell me what to do to fix it?"

You really haven't given us enough information to generate a
correct answer.

First is the definition of "old".

I can show you a late 1950s all-tube type repeater that is still in
service today.  A few of the tubes are original, which sets some
kind of record. Is that "old"?  I think so.

I can show you a mid-90s repeater that was replaced a few months
ago because it was "too old".  To me, 5 to 8 years is not "too old".

So if you can tell us what you have, by model number, it will help
us pull out the proper books and help you.  If you don't know, and
you can lay your hands on a digital camera, post some pictures
(in the photo section of this yahoogroup if you want) and then post
a message the points us at them  (If you use the yahoogroup photo
section please name your files something like kf4vgx-1, kf4vgx-2,
kf4vgx-3, etc)

Second is the definition of "squelch tail".

Some people use that term for the burst of noise that is generated
when the other guy unkeys his transmitter and before the receiver
squelch closes.  This is the correct use of the term (I've been told
that Moto used it in their first FM mobile manual).

Others use for the length of time that the transmitter stays on
the air after the squelch closes.  The old term for this was the
"hang in time", the favored term these days seems to be
"carrier delay"

So if you are using the first definition, the duration of the noise burst,
the first thing you can do is see if the adjustment squelch control
has any effect.  Some receivers can have a dual mode squelch - a
short tail on strong signals and a long tail on weak ones.  GE made
a number of receivers where the dual mode squelch was locked in
one mode, and a common mod is to enable the dual mode.
If it doesn't adjust, look for a fixed squelch - I had a Micor station
once where the squelch pot had been replaced with two fixed resistors
mounted inside the unit, on the audio-squelch card.  You could twist
that squelch pot all day long and it was doing absolutely nothing.

A second possibility to shorten the squelch is to change out a few
capacitors in the squelch circuit.  There are other negative
ramifications if you go this route - but you will end up with a short
squelch tail!

A third possible fix is to use a audio delay board - they are used to
chop off the last N number of milliseconds of audio when the squelch
closes.

It will also help if you tell us is you are running the repeater in
carrier squelch or PL.  If you are running a PL system with the
AND or OR mode selector in the OR mode you will have an
agonizingly long tail.  A couple of jumpers will fix that - but we
need to know a few specifics to help you - what RX you have,
what PL decoder you have, and what type of repeater controller
you are using.

If you are using the second definition - that of a too-long carrier
delay - that is a function of the repeater controller.  Let us know
the make and model of the controller and we can help.

Mike WA6ILQ




 

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Re: [Repeater-Builder] Need book for Kendecom Mark-4

[Vincent McKever]

Thanks for the offer.  I am looking for info 
on the controler.
 
Vince N6OA/2

  - Original Message - 
  From: 
  NØATH 
  To: Repeater-Builder@yahoogroups.com 
  
  Sent: Friday, January 30, 2004 1:56 
  PM
  Subject: Re: [Repeater-Builder] Need book 
  for Kendecom Mark-4
  
  Hello Vince - Sorry - I have the manuals for the 
  repeater, not for their controller. I use Link Systems - 
  Dave
  - Original Message - 
  From: Vincent 
  McKever 
  To: Repeater-Builder@Yahoogroups.com 
  
  Sent: Friday, January 30, 2004 10:26 AM
  Subject: Re: [Repeater-Builder] Need book for Kendecom 
  Mark-4
  
  The VHF book should contain the same commands and 
  setup codes.  That is mostly what I am looking at right now.
   
  Vince N6OA/2
  
- Original Message - 
From: 
NØATH 
To: Repeater-Builder@yahoogroups.com 

Sent: Thursday, January 29, 2004 10:24 
PM
Subject: Re: [Repeater-Builder] Need 
book for Kendecom Mark-4

I can help with one for VHF if that would do 
any good Dave   -//-   NØATH
- Original Message - 
From: Vincent 
McKever 
To: Repeater-Builder@yahoogroups.com 

Sent: Thursday, January 29, 2004 8:21 PM
Subject: [Repeater-Builder] Need book for Kendecom 
Mark-4

I have picked up a Kendecom Mark-4 UHF repeater 
and am in need of operating instructions/book.  I know I can obtain one 
from acc for $45.00 but like the rest of us I'd like to keep my money to 
give to uncle sam for tax time.
 
Thanks...Vince N6OA/2 


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[Repeater-Builder] TPRD-1554 duplexer

[doug]

just picked up a set of these VERY cheap.

in nice shape, some scratches, etc.

telewave is sending the tuning directions via FAX,

has anyone used this in a 2m application?


as usual, the factory listed split is 148+, but i'm sure
it'll cover at least the top end of the ham band.


anyone?




doug





 

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Re: [Repeater-Builder] Need book for Kendecom Mark-4

[NØATH]

Hello Vince - Sorry - I have the manuals for the 
repeater, not for their controller. I use Link Systems - 
Dave
- Original Message - 
From: Vincent 
McKever 
To: Repeater-Builder@Yahoogroups.com 

Sent: Friday, January 30, 2004 10:26 AM
Subject: Re: [Repeater-Builder] Need book for Kendecom 
Mark-4

The VHF book should contain the same commands and 
setup codes.  That is mostly what I am looking at right now.
 
Vince N6OA/2

  - Original Message - 
  From: 
  NØATH 
  To: Repeater-Builder@yahoogroups.com 
  
  Sent: Thursday, January 29, 2004 10:24 
  PM
  Subject: Re: [Repeater-Builder] Need book 
  for Kendecom Mark-4
  
  I can help with one for VHF if that would do any 
  good Dave   -//-   NØATH
  - Original Message - 
  From: Vincent 
  McKever 
  To: Repeater-Builder@yahoogroups.com 
  
  Sent: Thursday, January 29, 2004 8:21 PM
  Subject: [Repeater-Builder] Need book for Kendecom 
  Mark-4
  
  I have picked up a Kendecom Mark-4 UHF repeater 
  and am in need of operating instructions/book.  I know I can obtain one 
  from acc for $45.00 but like the rest of us I'd like to keep my money to give 
  to uncle sam for tax time.
   
  Thanks...Vince N6OA/2 
  
  
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[Repeater-Builder] Decibel Products

[ka8gvh]

I found a document on the web, that I thought might be of interest to 
this list. Many of you will remember the small pamphlets that Decibel 
Products use to publish. (The copyright goes back to 1964) There were 
several in the series. They have put them together as a pdf document 
and made it available on thier web site.

RF Communications - A Non Technical Approach
Base Station Antennas, Combiners, Selective Cavities, Duplexers, RF 
Transmission Lines, Lightning.

http://www.decibelproducts.com/collateral/aboutrfcommunications.pdf

I feel it is required reading for anyone wanting to learn about 
antenna systems.

Duane




 

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[Repeater-Builder] 2 M Cubical Quad Thanks

[Sandeep]

Hi
Thanks everyone for responding to my query, got 
lots of new info from all of u , also found a very informative article on 
net
http://www.cebik.com/quad/2mq.html
I am planning to start homebrewing on 
sunday.
73s
sandeep
vu2bx
 










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Re: [Repeater-Builder] hiPro R1 Repeater and Sinclair Q2220E Duplexer

[no6b]

>Brad,
>
>I too have a Sinclair Q2220 duplexer with a mastr exec II and it does not work 
>very well at the 50 watts I am running.  Like Mr. Lemmon said, if I were 
>running 10 watts, it would probably work okay, but I'm not so it doesn't.  
>Good thing I have other receivers, or the repeater wouldn't work very well at 
>all.  One day I'll get something different, but for now this is what I have to 
>work with.  I wish I had done the math...
>
>73
>Robert

No need to get rid of the duplexer; just add a pass cavity to your TX.  A 11" 
dia. 1/4 wave pass cavity with 0.5 dB loops will have around 17 dB of rejection 
@ 600 kHz from resonance.  That should knock the TX noise down enough to 
eliminate your desense.

70 dB of TX freq. suppression on the RX leg of the duplexer should be just 
enough for any decent RX.

Bob NO6B




 

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Re: [Repeater-Builder] Shorten Tail SQ. on older Repeaters

[Virden Clark Beckman]

Change the programming to your desired timing sequence, what is an old
repeater? In many ham radio conversions the controller is not made by
the radio company, so you will have to examine the board for a name if
you didn't get all the info when you aquired the unit. There are still
some controllers which you will need to burn a new prom and that would
be recommended to be done by an experienced dealer with critical info
about the specs of the controller.

kf4vgx wrote:
> 
> Any Ideas for an older repeater SQ tail would like to shorten it.
> 
> 
> 
> Yahoo! Groups Links
> 
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> 
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-- 
73...Clark Beckman N8PZD

Pursuant to U.S. Code, title 47, Chapter 5, Subchapter II, ß227,
"Any and all nonsolicited commercial E-mail sent to this address
is subject to a download and archival fee of $500.00 U.S.".
E-mailing denotes acceptance of these terms.



 

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Re: [Repeater-Builder] Shorten Tail SQ. on older Repeaters

[Kevin Custer]

kf4vgx wrote:

>Any Ideas for an older repeater SQ tail would like to shorten it.
>

http://www.repeater-builder.com/rbtip/micorsquelch.html
http://www.repeater-builder.com/rbtip/reverseburst.html

Kevin





 

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Re: [Repeater-Builder] Need book for Kendecom Mark-4

[Vincent McKever]

The VHF book should contain the same commands and 
setup codes.  That is mostly what I am looking at right now.
 
Vince N6OA/2

  - Original Message - 
  From: 
  NØATH 
  To: Repeater-Builder@yahoogroups.com 
  
  Sent: Thursday, January 29, 2004 10:24 
  PM
  Subject: Re: [Repeater-Builder] Need book 
  for Kendecom Mark-4
  
  I can help with one for VHF if that would do any 
  good Dave   -//-   NØATH
  - Original Message - 
  From: Vincent 
  McKever 
  To: Repeater-Builder@yahoogroups.com 
  
  Sent: Thursday, January 29, 2004 8:21 PM
  Subject: [Repeater-Builder] Need book for Kendecom 
  Mark-4
  
  I have picked up a Kendecom Mark-4 UHF repeater 
  and am in need of operating instructions/book.  I know I can obtain one 
  from acc for $45.00 but like the rest of us I'd like to keep my money to give 
  to uncle sam for tax time.
   
  Thanks...Vince N6OA/2 
  
  
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Re: [Repeater-Builder] Shorten Tail SQ. on older Repeaters

[Sean KE6MOW]

Audio delay boards are commonly used to remove the squelch tail as well as 
the first 40 to 50mS of the first DTMF digit entered.

Most controller manufactures sell audio delay boards.

http://www.link-comm.com/audiodelay.html
http://www.catauto.com/dl1000.html
http://www.ics-ctrl.com/dadm/dsdadm.html
http://www.nhrc.net/nhrc-dad/

-Sean

On Fri, 30 Jan 2004, kf4vgx wrote:

> Any Ideas for an older repeater SQ tail would like to shorten it.
> 
> 
> 
> 
>  
> 
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> 
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> 
> 
> 
> 




 

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Re: [Repeater-Builder] Shorten Tail SQ. on older Repeaters

[Neil McKie]

  Please define 'older repeater.'  You mean a GE Progress Line or 
 Motorola Research Line? 

  Neil - WA6KLA 


kf4vgx wrote:
> 
> Any Ideas for an older repeater SQ tail would like to shorten it.
> 
> 
> 
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> 
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[Repeater-Builder] Shorten Tail SQ. on older Repeaters

[kf4vgx]

Any Ideas for an older repeater SQ tail would like to shorten it.




 

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Re: [Repeater-Builder] Tuffduck

[Ken Arck]

At 01:54 AM 1/30/2004 -0500, you wrote: 

 Hello all, Does any one have a URL, phone number or address for Tuff-duck?
Does any one know what the connector is on the Motorola GTX HT is called?
This is the RF connector for the duck.  very best of 73, Russ, W3CH
Trustee, W3PS

<---Isn't that the tradename for Centurion antennas?

http://www.centurion.com/antenna.asp

Ken
--
President and CTO - Arcom Communications
Makers of state-of-the-art repeater controllers
and accessories.
http://www.ah6le.net/arcom/index.html
Our new Repeater Audio Delay (RAD) board is now shipping! 
Compatible with many controllers!
AH6LE/R - IRLP Node 3000
http://www.irlp.net



 

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[Repeater-Builder] Tuffduck

[Russ Stafford]

 
Hello all,
Does any one have a URL, phone number or address for Tuff-duck?
Does any one know what the connector is on the Motorola GTX HT is called? 
This is the RF connector for the duck.
 
very best of 73,
Russ, W3CHTrustee, W3PSMetro-Comm, 
INCRepeater Network.Echo-Link node 
119660(W3PS-R)










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Re: [Repeater-Builder] Need book for Kendecom Mark-4

[NØATH]

I can help with one for VHF if that would do any 
good Dave   -//-   NØATH
- Original Message - 
From: Vincent 
McKever 
To: Repeater-Builder@yahoogroups.com 

Sent: Thursday, January 29, 2004 8:21 PM
Subject: [Repeater-Builder] Need book for Kendecom 
Mark-4

I have picked up a Kendecom Mark-4 UHF repeater and 
am in need of operating instructions/book.  I know I can obtain one from 
acc for $45.00 but like the rest of us I'd like to keep my money to give to 
uncle sam for tax time.
 
Thanks...Vince N6OA/2 











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[Repeater-Builder] Info needed

[Mike Morris WA6ILQ]

Does anybody have any info (especially schematics) on the
following Micor station cards:

Auto Station ID - QRN8424B
Station Test Set - either TLN1873A or TLN5957A

Thanks in advance

Mike WA6ILQ




 

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RE: [Repeater-Builder] WTD - VHF Ge phoenix SX radios.

[Steve S. Bosshard \(NU5D\)]

I found a bunch of UHF lo split Phoenix SX at www.talkfar.com from the
Canadian Rail Service - Was very pleased with the deal.

Steve S. Bosshard
NU5D

PS - FYI using 3 VHF and 6 UHF Phoenix SX with a Doug Hall Voter and an
Ericsson M3 repeater.






 

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Re: [Repeater-Builder] need a manual for Midland 70-905B UHF Base stn./Repeater

[ROB FELSTEIN]

dont tell me you just got it off ebay

--- sal al <[EMAIL PROTECTED]> wrote:
> hi all i m looking for a manual for Midland 70-905B
> UHF Base stn./Repeater,and i need find Crystal to
> buy 
> 
> __
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[Repeater-Builder] WTD - VHF Ge phoenix SX radios.

[Lawrence Glaister]

I am looking for about 6 vhf GE phoenix SX  radios for use in remote
receivers for our local repeater. Accessories are not required and 2,8
or 16 ch units are OK, will trade for micor UHF unified chassis
repeater, UHF duplexor or several other items. Please email direct.

-- 

=
Lawrence Glaister VE7IT  mailto:[EMAIL PROTECTED]
1462 Madrona Drive   http://members.shaw.ca/swstuff
Nanoose Bay, B.C.http://members.shaw.ca/cncstuff 
Canada  V9P 9C9  http://gspy.sourceforge.net
=




 

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Re: [Repeater-Builder] hiPro R1 Repeater and Sinclair Q2220E Duplexer

[kf4pxz]

Brad,

I too have a Sinclair Q2220 duplexer with a mastr exec II and it does not work 
very well at the 50 watts I am running.  Like Mr. Lemmon said, if I were 
running 10 watts, it would probably work okay, but I'm not so it doesn't.  
Good thing I have other receivers, or the repeater wouldn't work very well at 
all.  One day I'll get something different, but for now this is what I have to 
work with.  I wish I had done the math...

73
Robert
 



 

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[Repeater-Builder] Need book for Kendecom Mark-4

[Vincent McKever]

I have picked up a Kendecom Mark-4 UHF repeater and 
am in need of operating instructions/book.  I know I can obtain one from 
acc for $45.00 but like the rest of us I'd like to keep my money to give to 
uncle sam for tax time.
 
Thanks...Vince N6OA/2 











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Re: [Repeater-Builder] hiPro R1 Repeater and Sinclair Q2220E Duplexer

[Eric Lemmon]

Brad,

I can't speak to the repeater, but I can comment on the Sinclair Q2220E
duplexer.  I acquired one of these units a year or so ago, and promptly
sold it at a loss because of its mediocre performance.  It certainly
meets the specifications, but those specs are simply not high enough for
a good repeater.  A typical repeater that has a 50 watt transmitter and
a 0.35 uV receiver generally needs a duplexer with 85 or 90 dB of
isolation.  A 100 watt repeater with a 0.18 uV receiver needs 95 to 100
dB of isolation.  These are ballpark figures, and assume no more than 1
dB of receive degradation.  Naturally, some repeater owners are
satisfied with much less isolation.

If you are duplexing a 10 watt transmitter and a 0.50 uV receiver, you
might be able to live with 70 dB of isolation, and be perfectly happy
with it.  Good luck!  More info on this duplexer can be found at:



73, Eric Lemmon WB6FLY

bradprimmer wrote:
> 
> Has anyone on the list had any experience with a HiPro R1 2 meter repeater 
> and a Sinclair Q2220E Duplexer...



 

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[Repeater-Builder] GE MSLU241 Rados FOR TRADE

[Bob]

I have 4 GE MSL241U UHF Mobile Radios For Trade
Radios have Handmic,No Manual,No Mounting Bracket,
Trade For UHF/VHF Power/SWR Meter,UHF Base Vertical Antenna,or let 
me know what you got to TRADE!!

Bobby/N2BR  [EMAIL PROTECTED]

PS...SORRY I POST WRONG Model Number on other Post of Radio




 

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