PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-03:57:50
G01     119.1          17.7               10.3 +/-    0.79      24.1 +/-    0.79  0.030 / 0.040
G07     84.2           64.8                7.7 +/-    0.58       8.4 +/-    0.58  0.040 / 0.040
G08     44.1           29.0                3.3 +/-    0.98       6.0 +/-    0.98  0.130 / 0.380
G09     175.2          24.0                9.9 +/-    2.50      19.8 +/-    2.50  0.100 / 0.330
G11     104.4          40.2                8.5 +/-    0.63      12.4 +/-    0.63  0.040 / 0.050
G13     317.5          19.9                5.3 +/-    3.16      11.7 +/-    3.16  0.040 / 0.070
G17     200.5          27.0                8.7 +/-    2.23      16.2 +/-    2.23  0.030 / 0.040
G28     289.5          56.1                6.0 +/-    0.79       7.1 +/-    0.79  0.030 / 0.040
G30     343.3          67.6                3.4 +/-    0.69       3.6 +/-    0.69  0.070 / 0.110