Local : 5 sub-boards
DOVE-Net : 19 sub-boards
fsxNet : 20 sub-boards
tqwNet : 17 sub-boards
micronet : 11 sub-boards
fidonet : 594 sub-boards
Health Network : 13 sub-boards
HobbyNet : 37 sub-boards
MetroNet : 7 sub-boards
ILink : 83 sub-boards