PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/15-10:27:40
G01     98.8           29.2                4.5 +/-    1.46       8.0 +/-    1.46  0.030 / 0.040
G07     117.9          51.3                5.6 +/-    0.34       6.9 +/-    0.34  0.030 / 0.040
G08     41.6           12.0                2.4 +/-    1.60       6.5 +/-    1.60  0.080 / 0.110
G11     76.5           41.6                3.9 +/-    1.43       5.6 +/-    1.43  0.090 / 0.110
G13     302.4          33.3                0.9 +/-    1.82       1.5 +/-    1.82  0.030 / 0.020
G17     209.0          47.5                5.1 +/-    0.58       6.7 +/-    0.58  0.030 / 0.020
G18     70.4           24.2                4.6 +/-    1.15       9.2 +/-    1.15  0.050 / 0.050
G19     212.1          15.9                4.6 +/-    1.07      11.1 +/-    1.07  0.070 / 0.050
G28     331.9          61.7                2.9 +/-    0.55       3.2 +/-    0.55  0.100 / 0.150
G30     58.9           80.5                5.0 +/-    0.86       5.0 +/-    0.86  0.110 / 0.120