PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-16:42:50
G01     119.5          17.7               12.7 +/-    0.99      29.5 +/-    0.99  0.050 / 0.070
G07     79.0           67.0               13.9 +/-    0.55      15.0 +/-    0.55  0.050 / 0.080
G08     45.6           33.2               12.4 +/-    0.40      20.4 +/-    0.40  0.030 / 0.040
G09     176.8          26.1               12.8 +/-    1.83      24.5 +/-    1.83  0.020 / 0.050
G11     107.9          39.8               13.6 +/-    0.77      19.8 +/-    0.77  0.050 / 0.120
G13     317.9          19.1               13.7 +/-    1.17      30.9 +/-    1.17  0.080 / 0.150
G17     202.3          22.2               13.9 +/-    0.97      28.9 +/-    0.97  0.030 / 0.040
G18     94.9           20.7               12.4 +/-    0.54      26.8 +/-    0.54  0.030 / 0.040
G28     292.2          57.3               14.9 +/-    0.68      17.3 +/-    0.68  0.040 / 0.060
G30     346.7          68.6               13.8 +/-    0.62      14.7 +/-    0.62  0.040 / 0.060