Complex sentence: The first 4 bytes of the NetMon capture file format were used to validate the file and were'RTSS' for Ray, Tom, Steve, and Steve-the first four members of the team.
Split into simpler sentences: The first 4 bytes of the NetMon capture file format were used to validate the file. The values were'RTSS' for Ray, Tom, Steve, and Steve-the first four members of the team.