swath: IW1
Bperp (average): -135.29114470131807
Bpar (average): 69.62184002523416
swath: IW2
Bperp (average): -129.17249856727406
Bpar (average): 80.29587611408719
swath: IW3
Bperp (average): -123.3653976685889
Bpar (average): 88.86871148262205