byte 1  ="G" 
byte 2 = "P'
byte 3 = 0  # means version 1 -> probably doesn't matter
byte 4 = 5  # flags: little endian, 32 bit (Intel) for each point, 
            # 6 values for each data set, 6x8 = 48 bytes each 
byte 5-8  = # srs_id = 0x0000346C = Unique identifier for each 
            # Spatial Reference System within a GeoPackage
            # I have no idea what that means?
byte 9-...  # start of data.. is here...
            # 
            #