GetTimePpmRange[spec,{dt,field,nuc}]

get the timing of the fid and the ppm values of the spec where dt is the well time in ms, field the field strength in Tesla and nuc the nucleus available in GyromagneticRatio.

GetTimePpmRange[spec,dt,field,nuc]

get the timing of the fid and the ppm values of the spec.

GetTimePpmRange[spec,dt,gyro]

get the timing of the fid and the ppm values of the spec.