The network of the invention also has the capability to handle continuous traffic stations, and the capability to be expanded into {HEAD ~ a hierarchical network} with {TAIL ~ many stations} 
The network of the invention also has the capability to handle continuous traffic stations , and the capability to be expanded into { HEAD ~ a hierarchical network } with { TAIL ~ many stations }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL