Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 10.10.2017 beginning time = 1403 min.(UT), 23:23 UT Xbegin = -3.648 nT time of max = 1429 min.(UT), 23:49 UT Xmax = 7.066 nT Y at Xmax = -0.614 nT endtime = 1480 min.(UT), 24:40 UT Xend = -5.514 nT amplitude = 10.714 nT base duration time = 77 min. 2sigma = 2.765 nT duration at 2sigma = 48 min. flagbegin = 0 flagend = 0 flagxcheck = 0