Algorithm 2. Algorithm for the filtering and smoothing values.

Procedure filtering and smoothing values     while (true)      for n = 0; n ≤ 2; n++        dt(n)_count = dt(n)_u1_miv_a_press/rv_u1_miv_a_press        dt(n)_count_av = (dt(n)_count + (127 × dt(n)_count_av))/128      end for     end while