swath: IW1
Bperp (average): 271.8885269912625
Bpar (average): -124.48443652912438
swath: IW2
Bperp (average): 261.46940984424396
Bpar (average): -146.15616191003863
swath: IW3
Bperp (average): 251.48429600242486
Bpar (average): -163.73184341752798