Parameters of the midlatitude positive bays (MPB) Calculated at Space Research and Technology Institute, Sofia, Bulgaria Station: PAG Date of observation: 07.04.2017 beginning time = 1197 min.(UT), 19:57 UT Xbegin = -7.350 nT time of max = 1253 min.(UT), 20:53 UT Xmax = 7.962 nT Y at Xmax = 2.442 nT endtime = 1286 min.(UT), 21:26 UT Xend = -2.288 nT amplitude = 15.312 nT base duration time = 89 min. 2sigma = 6.414 nT duration at 2sigma = 10 min. flagbegin = 0 flagend = 0 flagxcheck = 0