swath: IW1
Bperp (average): -338.8045304470005
Bpar (average): 218.30884524739156
swath: IW2
Bperp (average): -320.6450257164505
Bpar (average): 245.33256350945805
swath: IW3
Bperp (average): -303.8287280448898
Bpar (average): 266.9449748288198