PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/06-16:13:00
G01     127.4          11.4               13.3 +/-    1.93      35.9 +/-    1.93  0.050 / 0.060
G07     50.4           69.8               13.8 +/-    0.35      14.6 +/-    0.35  0.050 / 0.040
G08     51.5           41.2               11.0 +/-    0.91      15.7 +/-    0.91  0.030 / 0.030
G09     177.9          36.1               14.1 +/-    1.07      22.0 +/-    1.07  0.030 / 0.030
G11     119.3          34.9               15.3 +/-    1.14      24.3 +/-    1.14  0.030 / 0.030
G13     321.3          11.3               -0.4 +/-   23.02      -1.2 +/-   23.02  0.030 / 0.030
G17     200.6          12.7               11.2 +/-    3.15      29.4 +/-    3.15  0.330 / 0.360
G18     104.4          16.4               12.2 +/-    1.15      29.4 +/-    1.15  0.210 / 0.340
G28     275.8          52.8               14.1 +/-    3.60      17.2 +/-    3.60  0.110 / 0.290
G30     332.9          60.4               13.0 +/-    0.61      14.7 +/-    0.61  0.130 / 0.210