Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 12.04.2011
 
 beginning time = 1389 min.(UT), 23: 9 UT
 Xbegin =        -11.374 nT
 time of max =    1413 min.(UT), 23:33 UT
 Xmax =           12.554 nT
 Y at Xmax =       0.268 nT
 endtime =        1494 min.(UT), 24:54 UT
 Xend =           -7.598 nT
 amplitude =      23.928 nT
 base duration time =105 min.
 2sigma =          8.103 nT
 duration at 2sigma = 29 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0