swath: IW1
Bperp (average): 146.31582509821564
Bpar (average): -106.19363128413768
swath: IW2
Bperp (average): 137.25262068905855
Bpar (average): -117.72463021653941
swath: IW3
Bperp (average): 128.90782433871738
Bpar (average): -126.82740265175582