The x-component of the magnetic field at point [$x_k$, $y_k$] due to current source at [$x_1$, $y_1$].

Symbol
$H_{\mathrm{x}}$
Unit
mH
Formulae
$- \frac{I_{\mathrm{EMF}}}{\pi} \left(\frac{- y_{1} + y_{k}}{\left(- x_{1} + x_{k}\right)^{2} + \left(- y_{1} + y_{k}\right)^{2}} + \frac{2 p_{\mathrm{soil}} + y_{1} + y_{k}}{\left(- x_{1} + x_{k}\right)^{2} + \left(2 p_{\mathrm{soil}} + y_{1} + y_{k}\right)^{2}}\right)$
Related
$H_{\mathrm{y}}$
$I_{\mathrm{EMF}}$
$p_{\mathrm{soil}}$