PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/19-19:28:00
G01     318.0          21.9                6.6 +/-    2.64      13.8 +/-    2.64  0.130 / 0.370
G08     255.8          12.6               17.9 +/-    4.54      47.1 +/-    4.54  0.030 / 0.040
G10     83.8           50.1                9.1 +/-    0.81      11.4 +/-    0.81  0.040 / 0.050
G11     304.2          21.2                8.1 +/-    1.69      17.3 +/-    1.69  0.030 / 0.040
G14     289.0          68.4                9.4 +/-    0.58      10.1 +/-    0.58  0.040 / 0.040
G20     108.2          25.1               11.9 +/-    1.28      23.1 +/-    1.28  0.310 / 0.470
G22     301.8          10.3               -1.1 +/-    9.90      -3.0 +/-    9.90  0.250 / 0.430
G31     175.2          44.0               12.1 +/-    0.92      16.5 +/-    0.92  0.100 / 0.230
G32     14.3           65.3                9.0 +/-    0.50       9.8 +/-    0.50  0.090 / 0.210