Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 18.04.2007
 
 beginning time = 1269 min.(UT), 21: 9 UT
 Xbegin =         -2.922 nT
 time of max =    1283 min.(UT), 21:23 UT
 Xmax =            5.864 nT
 Y at Xmax =       2.740 nT
 endtime =        1325 min.(UT), 22: 5 UT
 Xend =           -2.306 nT
 amplitude =       8.786 nT
 base duration time = 56 min.
 2sigma =          3.560 nT
 duration at 2sigma = 11 min.
 flagbegin = 0
 flagend =   0
 flagxcheck = 0