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Thread: ID-0-MATIC with Two Motorolas to make repeater

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  1. #1
    Join Date
    Jan 2007
    Location
    Massachusetts, The Bay State!
    Posts
    149

    Exclamation ID-0-MATIC with Two Motorolas to make repeater

    Hello all I need some HELP, I purchased and constructed an ID-0-MATIC and a connection kit from www.hamgadgets.com I'm tyring to connect two Motorolas radios to it to use as a reapeater controller. I'm not sure my connetions to the radios, has one done this before? any help would be great.. 73
    Being a good radio operator is 3% TALENT, 97% not being distracted by the INTERNET.

    [email]KB1JFQ@yahoo.com[/email]

    [url]http://www.myspace.com/glockmaster2002[/url]

  2. #2

    Post

    Charles -

    What Motorola radios are you trying to interconnect??
    Newer models require the RICK cabling. Older units may require a simple COR circuit.

    The N0XAS ID-O-MATIC is a CW IDer, NOT a Repeater Controller, per se!!
    It can work with a simple Carrier Operated Relay (COR) style controller.

    REPEATER BUILDERS TECHNICAL INFORMATION PAGE
    Supported by professional land-mobile technicians/engineers (active and retired) as well as
    amateur radio operators knowledgeable in repeater assembly and operation.

    http://www.repeater-builder.com/rbtip/

    Here is a list of Amateur Radio / Commercial Land Mobile Repeater Controllers.
    http://wa8dbw.ifip.com/ControllerStuff.html

    ICS Repeater Controllers - Newcomer based in downstate Illinois.
    Pricing starts at less than $100.00!
    http://www.ics-ctrl.com/

    Computer Automation Technology offers several controllers.
    CAT 300DX is quite versatile in functions.
    http://catauto.com/

    S-Com Industries are manufactures of repeater controllers,
    autopatches and accessories.
    http://scomcontrollers.com/

    Pacific Research has designed and developed custom repeater controllers since 1982.
    They offer turnkey systems as well.
    http://www.pacres.com/products/index.html

    NHRC LLC (dba NHRC Repeater Controllers) is a partnership dedicated
    to re-defining state-of-the-art in repeater controller technology.
    http://www.nhrc.net/

    w9gb
    Last edited by W9GB; 02-12-2010 at 12:18 AM.

  3. #3

    Default

    The Ham Gadgets Id-O-Matic makes a perfectly fine repeater controller with the right radios. It has ID, TOT, and even a courtesy tone. I wouldn't recommend it for a mountain top repeater as there is no provision for remote control of the machine.
    I made a repeater using the Id-O-Matic and two Maxtrac radios. There are two ways to to do it, if you have a Maxtrac with the five pin connector on the rear you will need to make some simple mods to the radios to get COR at the mic jack, if you have the radios with the sixteen pin connector on the back, you won't need to mod the radios.
    Please don't ask me to tell you how, go to repeater-builder.com and do your homework, all the necessary info is there as well as reading the documentation that came with the Id-O-Matic.
    It's a fun project and when you get it working, guess what? You just learned something. It will require some reading and some real simple soldering, but hey this a technical hobby and you should always be learning new stuff and advancing your knowledge, otherwise you become an appliance operator and those fawkers need to go find another hobby, IMHO.
    WWJD? JWRTFM!

  4. #4
    Join Date
    Jan 2007
    Location
    Massachusetts, The Bay State!
    Posts
    149

    Default ID-0-MATIC with Two Motorolas to make repeater

    I have an sm50 and sm120 That I was testing with but will be using two M10 Vhf radios. I had bought a REPEATER ADAPTOR FOR MOTOROLA RADIOS on eBay, and decided I wanted a courtesy tone CW ID added on, I contacted the guy who builds the cables and he said the id-o-Matic mixes the RX radios audio and CW audio so I would only have to make simple connections to the ID-O-Matic, I followed what he said but strange things are happening to the radios, The RX radio once receives a signal starts transmitting, and stays keyed, the radio that should be transmitting can be heard in the audio to the receiving radio that is transmitting. If this is confusing let me know, because even I am stumped. Dale the creator of the ID-O-Matic is on vaca, and doesn't really know allot about Motorolaís anyways. I'm on time line too which doesnít make this project very fun.

    What Motorola radios are you trying to interconnect??
    Newer models require the RICK cabling. Older units may require a simple COR circuit.

    The N0XAS ID-O-MATIC is a CW IDer, NOT a Repeater Controller, per se!!
    It can work with a simple Carrier Operated Relay (COR) style controller.

    REPEATER BUILDERS TECHNICAL INFORMATION PAGE
    Supported by professional land-mobile technicians/engineers (active and retired) as well as
    amateur radio operators knowledgeable in repeater assembly and operation.

    http://www.repeater-builder.com/rbtip/

    Here is a list of Amateur Radio / Commercial Land Mobile Repeater Controllers.
    http://wa8dbw.ifip.com/ControllerStuff.html

    ICS Repeater Controllers - Newcomer based in downstate Illinois.
    Pricing starts at less than $100.00!
    http://www.ics-ctrl.com/

    Computer Automation Technology offers several controllers.
    CAT 300DX is quite versatile in functions.
    http://catauto.com/

    S-Com Industries are manufactures of repeater controllers,
    autopatches and accessories.
    http://scomcontrollers.com/

    Pacific Research has designed and developed custom repeater controllers since 1982.
    They offer turnkey systems as well.
    http://www.pacres.com/products/index.html

    NHRC LLC (dba NHRC Repeater Controllers) is a partnership dedicated
    to re-defining state-of-the-art in repeater controller technology.
    http://www.nhrc.net/

    w9gb[/QUOTE]
    Being a good radio operator is 3% TALENT, 97% not being distracted by the INTERNET.

    [email]KB1JFQ@yahoo.com[/email]

    [url]http://www.myspace.com/glockmaster2002[/url]

  5. #5

    Post

    I followed what he said but strange things are happening to the radios, The RX radio once receives a signal starts transmitting, and stays keyed, the radio that should be transmitting can be heard in the audio to the receiving radio that is transmitting.
    That sounds like de-sense of the receiver. Are you using a 6-can cavity to isolate (> 70 dB) that transmitter from the receiver -- when using a single antenna???

    IF you have that covered, have you used shielded leads to prevent RFI and related issues??

    w9gb

  6. #6
    Join Date
    Jan 2007
    Location
    Massachusetts, The Bay State!
    Posts
    149

    Default ID-0-MATIC with Two Motorolas to make repeater

    Quote Originally Posted by W9GB View Post
    That sounds like de-sense of the receiver. Are you using a 6-can cavity to isolate (> 70 dB) that transmitter from the receiver -- when using a single antenna???

    IF you have that covered, have you used shielded leads to prevent RFI and related issues??

    w9gb

    W9GB, thanks for your time. I have printed and read endless documents on doing this project and just have hit the last wall; I have a duplexer with about 25 feet of RG-8 to an antenna on the roof. Now on to my stupidity, right after I read your post, I believe I know where Iíve gone wrong. I used standard CAT-5 cable to run the leads to my kit from both radios, so both the RX and TX leads are all together and unshielded, big mistake on my part. I'm going to replace the Cat-5 with some shielded cable and try it again. Maybe this will fix the problem. Thanks again so far for your help. 73 Chuck
    Being a good radio operator is 3% TALENT, 97% not being distracted by the INTERNET.

    [email]KB1JFQ@yahoo.com[/email]

    [url]http://www.myspace.com/glockmaster2002[/url]

  7. #7
    Join Date
    Jan 2000
    Location
    Commerce MI (Detroit area)
    Posts
    7,762

    Default

    I belonged to a club that wanted to build a repeater and the volunteer who did the first attempt was a computer guy who wired the reciever and transmitter rf in ribbon cable along with the audio etc.. It looked very nice but did not work well.
    Another two way radio guy and myself had to come into the project to fix the problems with coax !
    73.....JD, FISTS #3853,cc 455,SKCC # 1395,tribune #12,
    Official US Taxpayer

  8. #8

    Default

    I had the simular problems connecting the ID-O-Matic on the line side of the radios. The work around I found was to plug the ID-O-Matic into the Mic jack on the front of the TX radio. Works like a charm. Hope this helps.

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