PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/09-17:58:10
G01     71.4           33.0                9.1 +/-    0.56      14.9 +/-    0.56  0.030 / 0.050
G07     137.2          31.8               11.9 +/-    1.27      20.1 +/-    1.27  0.030 / 0.050
G11     54.2           31.4                9.0 +/-    0.81      15.4 +/-    0.81  0.070 / 0.110
G13     275.1          37.6               12.1 +/-    1.09      18.3 +/-    1.09  0.070 / 0.110
G15     304.0          14.6                8.7 +/-    3.09      21.9 +/-    3.09  0.070 / 0.340
G17     231.9          66.5               12.8 +/-    1.04      13.8 +/-    1.04  0.080 / 0.250
G18     49.5           18.6                8.2 +/-    0.71      18.8 +/-    0.71  0.040 / 0.040
G19     223.8          39.5               13.5 +/-    3.09      19.8 +/-    3.09  0.050 / 0.050
G28     18.9           59.4               10.1 +/-    0.31      11.5 +/-    0.31  0.070 / 0.140
G30     135.0          62.1               11.6 +/-    1.14      13.0 +/-    1.14  0.070 / 0.150