Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 21.02.2011
 
 beginning time = 1247 min.(UT), 20:47 UT
 Xbegin =         -6.886 nT
 time of max =    1271 min.(UT), 21:11 UT
 Xmax =            6.864 nT
 Y at Xmax =      -2.248 nT
 endtime =        1334 min.(UT), 22:14 UT
 Xend =           -6.852 nT
 amplitude =      13.750 nT
 base duration time = 87 min.
 2sigma =          4.711 nT
 duration at 2sigma = 11 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0