Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 30.04.2011
 
 beginning time = 1237 min.(UT), 20:37 UT
 Xbegin =        -11.148 nT
 time of max =    1254 min.(UT), 20:54 UT
 Xmax =           15.964 nT
 Y at Xmax =      11.666 nT
 endtime =        1317 min.(UT), 21:57 UT
 Xend =          -13.654 nT
 amplitude =      27.112 nT
 base duration time = 80 min.
 2sigma =         10.962 nT
 duration at 2sigma = 14 min.
 flagbegin = 0
 flagend =   4
 flagxcheck = 0