Yes, in principle. It forms a good basis for initial UAV C2 but UAVs may drive new requirements for C2 system. UAV routing and special use airspace can already be supported using the manned aircraft capabilities. Q. You mentioned that the ICC format is computer-readable. It is a format that a computer can read.
Special software is required to read the data.
Another system could read the data if special software is added to the system. This is a question that is currently under intense study and cannot be answered at this time. A. Possibly, but the primary threat to the UAV will probably be an airliner that will have TCAS as well and will maneuver to avoid collision. It is true that TCAS allowable error in the rear hemisphere is far greater than in the forward hemisphere making it difficult to know what the actual azimuth of the object is. A. TCAS 1 provides traffic advisory only.