Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 20.04.2021
 
 beginning time = 1387 min.(UT), 23: 7 UT
 Xbegin =         -0.190 nT
 time of max =    1426 min.(UT), 23:46 UT
 Xmax =            4.718 nT
 Y at Xmax =      -0.576 nT
 endtime =        1445 min.(UT), 24: 5 UT
 Xend =           -1.863 nT
 amplitude =       4.908 nT
 base duration time = 58 min.
 2sigma =          7.349 nT
 duration at 2sigma =  0 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0