PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/30-01:42:50
G03     250.4          69.2                3.0 +/-    1.39       3.2 +/-    1.39  0.130 / 0.330
G09     303.3          20.4                1.6 +/-    1.90       3.5 +/-    1.90  0.150 / 0.250
G14     97.4           16.1                4.2 +/-    1.17      10.2 +/-    1.17  0.030 / 0.060
G16     130.0          56.8                5.3 +/-    0.55       6.2 +/-    0.55  0.030 / 0.050
G22     199.5          59.0                5.9 +/-    0.76       6.7 +/-    0.76  0.040 / 0.040
G23     315.8          45.3                4.0 +/-    1.19       5.4 +/-    1.19  0.040 / 0.040
G26     74.3           53.1                3.5 +/-    0.72       4.3 +/-    0.72  0.050 / 0.060
G31     50.6           22.8                2.0 +/-    2.64       4.1 +/-    2.64  0.040 / 0.070