This is the ACTIVE SITE of the 4th Division HO Modular SIG (Special Interest
Group). In here you will find information that is frequently updated.
Use the MENU BAR at the left.
Click below to link to our other, PASSIVE SITE of the 4th Division
HO Modular SIG. There you will find information that deals with our history, construction of modules, DCC,
reliability, etc.
