PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/07-16:13:00
G01     126.0          12.6               11.0 +/-    2.32      28.9 +/-    2.32  0.050 / 0.060
G07     56.2           69.5               12.1 +/-    0.58      12.9 +/-    0.58  0.030 / 0.070
G08     50.1           39.7                9.7 +/-    1.16      14.1 +/-    1.16  0.030 / 0.020
G09     177.7          34.2               12.0 +/-    1.42      19.4 +/-    1.42  0.030 / 0.030
G11     117.3          36.0               11.5 +/-    0.64      17.9 +/-    0.64  0.030 / 0.030
G13     320.8          12.8               10.6 +/-    4.31      27.9 +/-    4.31  0.030 / 0.030
G17     200.8          14.5               10.6 +/-    4.12      26.8 +/-    4.12  0.110 / 0.210
G18     102.7          17.3               10.1 +/-    1.53      23.8 +/-    1.53  0.100 / 0.220
G28     278.7          53.7               12.4 +/-    2.34      15.0 +/-    2.34  0.170 / 0.340
G30     335.0          61.9               11.6 +/-    0.56      12.9 +/-    0.56  0.230 / 0.310