swath: IW1
Bperp (average): 173.77675898420014
Bpar (average): -103.19270405484542
swath: IW2
Bperp (average): 164.97439939776476
Bpar (average): -116.59645217487358
swath: IW3
Bperp (average): 156.78244904665675
Bpar (average): -127.41395264204525