MAKE SURE YOU HAVE THE DATALOGGER PROGRAM RUNNING BEFORE LAUNCH
Adafruit Featherwing M0 with a Adafruit LSM6DSOX + LIS3MDL FeatherWing - Precision 9-DoF IMU and Adafruit SPI Flash SD Card - XTSD 512 MB chip.
you may need to install a few library's not through the Arduino library manager.
Instructions:
1.) Upload Datalogger program before launch with a NEW FILE NAME to write to.
2.) After retrieval upload "DumpFile" program WITH SAME FILE NAME PROGRAMMED AS WAS WHAT WAS WRITTEN TO!
3.)Using CoolTerm from https://freeware.the-meiers.org, Go to the connection drop down at the top of the window and select "capture to text/binary file". After you have selected a text file to write the data, press the connect button on CoolTerm, this will start the data dump.