PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/07-22:27:40
G05     48.5           18.0                7.1 +/-    0.60      16.5 +/-    0.60  0.070 / 0.140
G10     235.5          11.7               17.3 +/-    3.38      46.4 +/-    3.38  0.080 / 0.150
G13     76.9           36.3                9.7 +/-    0.55      15.0 +/-    0.55  0.100 / 0.340
G15     130.9          51.1               12.2 +/-    0.62      15.1 +/-    0.62  0.110 / 0.370
G16     313.7          13.0                9.3 +/-    1.16      24.3 +/-    1.16  0.190 / 0.350
G20     241.3          10.9                7.7 +/-    1.06      21.0 +/-    1.06  0.240 / 0.380
G21     311.3          45.5                9.3 +/-    1.13      12.4 +/-    1.13  0.040 / 0.080
G25     199.3          11.4               12.7 +/-    3.60      34.4 +/-    3.60  0.050 / 0.090
G26     286.9          21.0                8.8 +/-    1.60      19.0 +/-    1.60  0.120 / 0.260
G29     155.4          75.0               11.0 +/-    0.96      11.3 +/-    0.96  0.130 / 0.310