The preceding equation was solved in two parts. A digital computer was programmed
to solve for B with a preselected value of A, while I K I varied between 10–4 and 103.
The results are plotted in Figure 9.The nomograph shown in Figure 8 was designed to solve for I K I in equation (6).Note that when ZH becomes much smaller than ZS (K>1), large positive values of B may result. These produce very large and unrealistic computed values of S.E., and imply a low frequency limitation on the B equation. In practical cases, absorption
losses (A) must be cal culated before B can be obtained.