PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-16:58:10
G01     105.8          26.3               11.6 +/-    1.38      22.1 +/-    1.38  0.250 / 0.170
G07     108.7          57.6               12.6 +/-    0.38      14.6 +/-    0.38  0.120 / 0.120
G08     42.0           20.4                9.6 +/-    1.99      21.0 +/-    1.99  0.030 / 0.040
G09     174.3          12.1               10.8 +/-    3.31      28.8 +/-    3.31  0.030 / 0.040
G11     87.7           43.0               12.1 +/-    0.69      16.9 +/-    0.69  0.030 / 0.030
G13     308.6          29.4                9.6 +/-    1.62      17.0 +/-    1.62  0.030 / 0.030
G17     207.0          37.2               12.0 +/-    0.57      18.3 +/-    0.57  0.080 / 0.130
G18     79.2           24.5               12.6 +/-    1.27      25.0 +/-    1.27  0.070 / 0.150
G28     320.6          61.2                8.8 +/-    0.67       9.9 +/-    0.67  0.070 / 0.170
G30     30.7           78.7               11.7 +/-    0.96      11.9 +/-    0.96  0.080 / 0.150