Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 17.04.2021
 
 beginning time = 1120 min.(UT), 18:40 UT
 Xbegin =         -1.684 nT
 time of max =    1144 min.(UT), 19: 4 UT
 Xmax =           10.366 nT
 Y at Xmax =       0.622 nT
 endtime =        1228 min.(UT), 20:28 UT
 Xend =          -11.894 nT
 amplitude =      12.050 nT
 base duration time =108 min.
 2sigma =         13.764 nT
 duration at 2sigma =  0 min.
 flagbegin = 0
 flagend =   4
 flagxcheck = 0