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 = 1067 min.(UT), 17:47 UT
 Xbegin =        -12.132 nT
 time of max =    1113 min.(UT), 18:33 UT
 Xmax =           13.288 nT
 Y at Xmax =       3.694 nT
 endtime =        1168 min.(UT), 19:28 UT
 Xend =           -6.476 nT
 amplitude =      25.420 nT
 base duration time =101 min.
 2sigma =          7.349 nT
 duration at 2sigma =  6 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0