PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-16:28:10
G01     124.7          13.7               13.9 +/-    1.86      35.7 +/-    1.86  0.030 / 0.050
G07     61.2           69.2               13.7 +/-    0.63      14.5 +/-    0.63  0.040 / 0.050
G08     49.0           38.5               12.1 +/-    0.88      18.1 +/-    0.88  0.030 / 0.030
G09     177.6          32.5               12.3 +/-    1.45      20.4 +/-    1.45  0.040 / 0.030
G11     115.5          36.9               13.2 +/-    0.82      20.3 +/-    0.82  0.030 / 0.030
G13     320.3          14.1               11.7 +/-    2.60      29.8 +/-    2.60  0.030 / 0.030
G17     201.1          16.0               14.3 +/-    1.90      34.7 +/-    1.90  0.230 / 0.300
G18     101.1          18.1               12.9 +/-    1.82      29.7 +/-    1.82  0.140 / 0.240
G28     281.4          54.5               13.7 +/-    3.11      16.4 +/-    3.11  0.100 / 0.200
G30     337.3          63.4               13.1 +/-    0.83      14.4 +/-    0.83  0.090 / 0.170