Dial Up Hub Information

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    • MTC Home Page

    Ace Holman

    Club Information

    Switchboard
    Hub Telephone Numbers
    269-697-4506
    269-697-4508
    269-697-4513
    Canadian Hub: 888-822-3728

    Dial Up & KOB Roster - PDF Format

    Dial Up Morse Block Diagram

    Morse Terminal Unit (MTU) Schematics

    KOB Dialup Schematic

    KOB Dial Up Circuit

    Solid State MTU Operation

    4 Ohm Sounder Discussion

    Article on the Development of the Hub

    Tribute to Ace Holman and A Biography of Ace