Table 2.

The induced secondary magnetic field intensity $B_{out}\left(\mathrm{nT}\right)$ measured on the surface at point $\left(60\mathrm{m},65\mathrm{m}\right)$.

	Cases 1 (0.4 m)			Cases 2 (1.6 m)
${\mathit{R}}_{\mathit{t}\mathit{o}\mathit{p}}$ $(\mathbf{\Omega }\cdot \mathbf{m})$	${\mathit{B}}_{\mathit{o}\mathit{u}\mathit{t}}^0\left(\mathbf{nT}\right)$	${\mathit{B}}_{\mathit{o}\mathit{u}\mathit{t}}^1\left(\mathbf{nT}\right)$	${\mathit{B}}_{\mathit{o}\mathit{u}\mathit{t}}^{\mathit{d}\mathit{i}\mathit{f}\mathit{f}}\left(\mathbf{nT}\right)$	${\mathit{B}}_{\mathit{o}\mathit{u}\mathit{t}}^0\left(\mathbf{nT}\right)$	${\mathit{B}}_{\mathit{o}\mathit{u}\mathit{t}}^1\left(\mathbf{nT}\right)$	${\mathit{B}}_{\mathit{o}\mathit{u}\mathit{t}}^{\mathit{d}\mathit{i}\mathit{f}\mathit{f}}\left(\mathbf{nT}\right)$
40	50.26	12.57	37.69	62.83	25.13	37.70
100	37.70	12.57	25.13	37.70	12.57	25.13
200	37.70	12.57	25.13	37.70	0.00	37.70
500	37.70	12.57	25.13	25.13	0.00	25.13
1200	37.70	12.57	25.13	25.13	0.00	25.13
5000	37.70	12.57	25.13	25.13	0.00	25.13