PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/05-05:12:40
G01     222.2          13.0                7.2 +/-    2.26      18.9 +/-    2.26  0.140 / 0.370
G03     276.1          68.4                3.5 +/-    0.72       3.7 +/-    0.72  0.120 / 0.430
G09     298.7          14.3                4.8 +/-    2.09      12.1 +/-    2.09  0.040 / 0.040
G14     91.5           20.9                4.3 +/-    1.37       9.2 +/-    1.37  0.030 / 0.040
G16     136.0          51.8                5.2 +/-    1.36       6.5 +/-    1.36  0.050 / 0.090
G22     210.2          66.3                2.9 +/-    0.40       3.2 +/-    0.40  0.050 / 0.100
G23     310.8          40.3                3.6 +/-    0.92       5.2 +/-    0.92  0.090 / 0.110
G26     82.5           53.2                3.6 +/-    0.56       4.4 +/-    0.56  0.080 / 0.120
G31     48.3           25.2                4.4 +/-    1.59       8.6 +/-    1.59  0.040 / 0.070