You could contact Earthworks or where you purchased the mic.
When you get the correct data just copy and paste into a notepad file and import into REW.
What is the Earthworks model, i believe there mics are very accurate without a cal file.
When you get the correct data just copy and paste into a notepad file and import into REW.
What is the Earthworks model, i believe there mics are very accurate without a cal file.