PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/02-08:12:50
G01     126.3          12.2                1.8 +/-   12.49       4.7 +/-   12.49  0.060 / 0.140
G07     58.4           69.0                4.7 +/-    0.70       5.0 +/-    0.70  0.060 / 0.130
G08     48.6           36.8                2.0 +/-    0.71       3.1 +/-    0.71  0.040 / 0.040
G09     173.9          29.8                6.4 +/-    1.79      11.2 +/-    1.79  0.040 / 0.040
G11     115.5          36.1                7.0 +/-    1.75      10.9 +/-    1.75  0.090 / 0.130
G13     320.7          12.8                2.3 +/-    2.59       6.0 +/-    2.59  0.080 / 0.120
G17     199.3          17.5                2.5 +/-    1.79       5.8 +/-    1.79  0.100 / 0.320
G18     101.2          17.1                5.1 +/-    1.26      11.9 +/-    1.26  0.090 / 0.330
G28     276.5          52.6                5.0 +/-    1.55       6.2 +/-    1.55  0.110 / 0.460
G30     331.8          60.1                4.0 +/-    1.23       4.6 +/-    1.23  0.150 / 0.480