swath: IW1
Bperp (average): -167.04676767098186
Bpar (average): 124.28825045557319
swath: IW2
Bperp (average): -156.56095020047064
Bpar (average): 137.01914984688312
swath: IW3
Bperp (average): -147.15566456292422
Bpar (average): 146.9326692410536