TCAS II / ACAS II more than 60 figures

This article concerns on the following: TCAS 11 & ACAS 11 description, reliability(error analysis), intruder tracking,operating modes, target surveillance(Mode-C/S),features & limitations, interrogations, altitude reporting, traffic & resolution advisories (corrective, preventive,...), cockpit displays, critical nearmisses. The above articles{A TCMode-S & TCAS 11) contain more than 60 relative figures(images).