Dial Up Hub Information

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