Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 31.10.2011
 
 beginning time = 1275 min.(UT), 21:15 UT
 Xbegin =         -5.106 nT
 time of max =    1327 min.(UT), 22: 7 UT
 Xmax =            8.248 nT
 Y at Xmax =       1.654 nT
 endtime =        1383 min.(UT), 23: 3 UT
 Xend =           -7.360 nT
 amplitude =      13.354 nT
 base duration time =108 min.
 2sigma =          7.062 nT
 duration at 2sigma =  2 min.
 flagbegin = 4
 flagend =   0
 flagxcheck = 1