swath: IW1
Bperp (average): -148.61590815567791
Bpar (average): 95.0812158833674
swath: IW2
Bperp (average): -140.4466915301601
Bpar (average): 106.70193734642753
swath: IW3
Bperp (average): -132.88114506540106
Bpar (average): 115.93052420559323