PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/17-01:13:10
G01     38.8           12.3                8.0 +/-    3.18      21.3 +/-    3.18  0.170 / 0.120
G02     198.9          14.8               11.5 +/-    3.71      28.8 +/-    3.71  0.120 / 0.250
G06     174.5          44.4               10.3 +/-    0.57      14.0 +/-    0.57  0.050 / 0.060
G13     233.7          18.4                8.7 +/-    2.72      20.0 +/-    2.72  0.070 / 0.070
G17     5.0            68.0                7.7 +/-    0.60       8.2 +/-    0.60  0.020 / 0.030
G19     295.2          70.9                7.0 +/-    0.87       7.3 +/-    0.87  0.030 / 0.030
G24     314.7          23.2                7.9 +/-    1.33      16.1 +/-    1.33  0.080 / 0.160
G28     79.2           43.6                8.5 +/-    1.42      11.8 +/-    1.42  0.100 / 0.090
G30     155.0          19.4               11.2 +/-    2.08      25.1 +/-    2.08  0.170 / 0.340