swath: IW1
Bperp (average): 77.02351748390781
Bpar (average): -73.44962439327509
swath: IW2
Bperp (average): 70.75624558103475
Bpar (average): -79.4816557419161
swath: IW3
Bperp (average): 65.05477989031236
Bpar (average): -84.17820757772732