Table 5 Time parameters in T ₂

$T_2^{\text{DC}}$

$2\left(\frac{d_{\text{SD}}}{c}\right)$

n

1

1

$T_2^{\text{SRD}}$

$2\left(\frac{d_{S{R}_i}}{c}\right)+2\left(\frac{d_{R_{i}D}}{c}\right)$

n+1

3

2