Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 04.12.2021
 
 beginning time = 1172 min.(UT), 19:32 UT
 Xbegin =         -1.522 nT
 time of max =    1194 min.(UT), 19:54 UT
 Xmax =            6.204 nT
 Y at Xmax =       9.182 nT
 endtime =        1220 min.(UT), 20:20 UT
 Xend =           -2.606 nT
 amplitude =       7.726 nT
 base duration time = 48 min.
 2sigma =          2.897 nT
 duration at 2sigma = 17 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0