Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 31.07.2011
 
 beginning time = 1324 min.(UT), 22: 4 UT
 Xbegin =         -6.942 nT
 time of max =    1364 min.(UT), 22:44 UT
 Xmax =            6.842 nT
 Y at Xmax =       0.860 nT
 endtime =        1396 min.(UT), 23:16 UT
 Xend =           -2.972 nT
 amplitude =      13.784 nT
 base duration time = 72 min.
 2sigma =          3.573 nT
 duration at 2sigma = 18 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0