Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 01.05.2021
 
 beginning time = 1353 min.(UT), 22:33 UT
 Xbegin =         -4.308 nT
 time of max =    1400 min.(UT), 23:20 UT
 Xmax =            4.872 nT
 Y at Xmax =      -0.422 nT
 endtime =        1445 min.(UT), 24: 5 UT
 Xend =           -4.204 nT
 amplitude =       9.180 nT
 base duration time = 92 min.
 2sigma =          3.692 nT
 duration at 2sigma = 28 min.
 flagbegin = 0
 flagend =   2
 flagxcheck = 0