A device and method for post event data retrieval uses an electronic communications system, wherein the method and system can utilize a detection device for detecting the event and facilitating the post event data retrieval. Both the tapered section of the nozzle and the straight walled bore are formed from a single side of semiconductor layer so that the tapered section and the bore are aligned with one another, even when an array of nozzles are formed across a die and multiple dies are formed on a semiconductor substrate. The computer executable instructions can comprise a server comprising a message analyzer. The antenna may be part of a Positive Train Control system and be disposed in proximity to a train track. A hotpatch and coldpatch are automatically generated by deriving differences between changed and original binary files, and establishing the point to insert the jump.