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I have a colleague for whom I programmed a Mayfly without any modem-related code because this station has no cellular service nor modem, so they upload data to MMW manually from the SD card. However, the data file being written to the card does not contain the Sampling Feature UUID, so they have to add that to the data file manually before it can be successfully uploaded to MMW. What do we need to change in order to make the proper header to be written to the file by the Mayfly? I’ve attached the code that is running on the board.