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               10.4 +/-    1.46      24.6 +/-    1.46  0.130 / 0.250
G10     66.8           56.9                9.4 +/-    1.08      11.0 +/-    1.08  0.110 / 0.340
G11     309.0          19.5                7.3 +/-    0.80      16.3 +/-    0.80  0.040 / 0.040
G14     272.3          67.1                8.9 +/-    0.59       9.6 +/-    0.59  0.040 / 0.040
G18     310.4          35.0                7.9 +/-    1.11      12.5 +/-    1.11  0.090 / 0.230
G20     98.1           34.7                8.4 +/-    0.63      13.4 +/-    0.63  0.080 / 0.220
G21     155.2          12.7                8.4 +/-    2.02      22.1 +/-    2.02  0.130 / 0.210
G27     230.5          14.2               11.6 +/-    1.13      29.5 +/-    1.13  0.150 / 0.140
G31     177.2          34.0                8.9 +/-    1.87      14.3 +/-    1.87  0.130 / 0.260
G32     352.3          72.2                8.0 +/-    0.35       8.3 +/-    0.35  0.230 / 0.360