Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 22.04.2021
 
 beginning time = 1363 min.(UT), 22:43 UT
 Xbegin =         -3.336 nT
 time of max =    1399 min.(UT), 23:19 UT
 Xmax =            6.550 nT
 Y at Xmax =       0.024 nT
 endtime =        1440 min.(UT), 24: 0 UT
 Xend =           -2.556 nT
 amplitude =       9.886 nT
 base duration time = 77 min.
 2sigma =          3.162 nT
 duration at 2sigma = 32 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0