Example calibration data for STIC sensor for conversion from uncalibrated conductivity to specific conductivity (`SpC`).
calibration_standard_data## `calibration_standard_data` A data frame with 4 rows and 3 columns:
Serial number for STIC sensor.
Specific conductance (`SpC`) standard values used for soaking STIC.
Uncalibrated conductivity recorded by STIC when soaked in each standard.