Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 16.04.2015 beginning time = 1173 min.(UT), 19:33 UT Xbegin = -14.160 nT time of max = 1213 min.(UT), 20:12 UT Xmax = 27.194 nT Y at Xmax = -6.950 nT endtime = 1257 min.(UT), 20:57 UT Xend = -22.058 nT amplitude = 41.354 nT base duration time = 84 min. 2sigma = 14.461 nT duration at 2sigma = 31 min. flagbegin = 0 flagend = 0