swath: IW1
Bperp (average): -74.92555589718381
Bpar (average): 104.75951089808774
swath: IW2
Bperp (average): -66.48387114657434
Bpar (average): 110.30641889847065
swath: IW3
Bperp (average): -59.15169635038915
Bpar (average): 114.4056678354816