Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 15.05.2011
 
 beginning time = 1349 min.(UT), 22:29 UT
 Xbegin =         -5.940 nT
 time of max =    1413 min.(UT), 23:33 UT
 Xmax =            5.572 nT
 Y at Xmax =      -3.820 nT
 endtime =        1447 min.(UT), 24: 7 UT
 Xend =           -3.265 nT
 amplitude =      11.512 nT
 base duration time = 98 min.
 2sigma =          5.491 nT
 duration at 2sigma =  2 min.
 flagbegin = 4
 flagend =   0
 flagxcheck = 0