PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-09:12:30
G02     201.1          21.1                5.0 +/-    2.78      10.8 +/-    2.78  0.090 / 0.090
G06     170.1          55.7                9.4 +/-    0.92      11.1 +/-    0.92  0.070 / 0.100
G13     225.4          11.9                4.9 +/-    2.20      13.2 +/-    2.20  0.030 / 0.030
G17     27.0           56.3                6.9 +/-    1.08       8.2 +/-    1.08  0.050 / 0.030
G19     318.2          70.3                6.5 +/-    0.59       6.8 +/-    0.59  0.040 / 0.030
G24     306.2          34.2                4.7 +/-    1.08       7.5 +/-    1.08  0.040 / 0.030
G28     88.9           40.0                7.3 +/-    1.25      10.7 +/-    1.25  0.260 / 0.390
G30     157.9          14.3                6.1 +/-    2.27      15.4 +/-    2.27  0.200 / 0.550