Parameters of the midlatitude positive bays (MPB)
 Calculated at Space Research and Technology Institute, Sofia, Bulgaria
 
 Station: PAG
 Date of observation: 26.12.2017
 
 beginning time = 1178 min.(UT), 19:38 UT
 Xbegin =        -14.970 nT
 time of max =    1219 min.(UT), 20:19 UT
 Xmax =           13.496 nT
 Y at Xmax =       6.374 nT
 endtime =        1256 min.(UT), 20:56 UT
 Xend =           -3.402 nT
 amplitude =      28.466 nT
 base duration time = 78 min.
 2sigma =          7.874 nT
 duration at 2sigma = 35 min.
 flagbegin = 4
 flagend =   0
 flagxcheck = 0