timestamp.mrk

Hello, I have an EVOII Enterprise V2 RTK and use the 6k/8K/640Tdual cameras. I use it with the ORPHEON NTRIP network via a cell phone and it works well. the Timestamp.mrk file contains many fields. And I would like to know the meaning of each of them. For example: 103 130277.689662 [2260]...