Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 01.04.2017 beginning time = 1226 min.(UT), 20:26 UT Xbegin = -11.434 nT time of max = 1251 min.(UT), 20:51 UT Xmax = 7.146 nT Y at Xmax = -7.704 nT endtime = 1287 min.(UT), 21:27 UT Xend = -3.056 nT amplitude = 18.580 nT base duration time = 61 min. 2sigma = 6.780 nT duration at 2sigma = 7 min. flagbegin = 0 flagend = 0 flagxcheck = 0