PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/13-00:43:00
G08     263.3          17.0               10.8 +/-    1.69      25.6 +/-    1.69  0.140 / 0.310
G10     66.8           56.9                8.2 +/-    0.27       9.6 +/-    0.27  0.160 / 0.320
G11     309.0          19.5                8.1 +/-    1.41      18.1 +/-    1.41  0.110 / 0.360
G14     272.3          67.1                8.2 +/-    0.97       8.8 +/-    0.97  0.110 / 0.300
G18     310.4          35.0                7.8 +/-    2.14      12.4 +/-    2.14  0.030 / 0.040
G20     98.1           34.7                7.5 +/-    0.83      11.9 +/-    0.83  0.020 / 0.030
G21     155.2          12.7                9.3 +/-    2.47      24.4 +/-    2.47  0.100 / 0.480
G27     230.5          14.2               11.6 +/-    1.15      29.4 +/-    1.15  0.100 / 0.420
G31     177.2          34.0               10.6 +/-    1.05      17.2 +/-    1.05  0.040 / 0.060
G32     352.3          72.2                8.2 +/-    0.34       8.6 +/-    0.34  0.040 / 0.060