https://www.usgs.gov/software/electromagnetic-transfer-function-file-conversion-utilities-emtf-fcu
Electromagnetic Transfer Function File Conversion Utilities (EMTF FCU) | U.S. Geological Survey
Magnetotelluric impedances and other similar transfer functions are important for geophysical interpretation and for space weather hazards. I helped develop...
transfer functionfile conversion
https://txemtf.org/
Texas EMTF – Texas Emergency Medical Task Force
emergency medicaltexastaskforce