PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/25-23:13:10
G05     47.5           20.4                6.2 +/-    0.72      13.6 +/-    0.72  0.060 / 0.150
G13     81.2           36.3                9.3 +/-    0.66      14.4 +/-    0.66  0.070 / 0.180
G15     134.3          48.8               10.8 +/-    1.25      13.8 +/-    1.25  0.130 / 0.430
G16     316.5          11.7                6.4 +/-    4.37      17.3 +/-    4.37  0.140 / 0.430
G20     240.4          15.1                8.1 +/-    1.91      20.1 +/-    1.91  0.140 / 0.360
G21     308.4          43.5                8.8 +/-    1.28      12.1 +/-    1.28  0.190 / 0.430
G25     201.2          14.0               12.2 +/-    1.77      31.1 +/-    1.77  0.040 / 0.090
G26     290.3          21.1                9.4 +/-    1.77      20.1 +/-    1.77  0.050 / 0.090
G29     151.7          78.6                8.7 +/-    0.77       8.8 +/-    0.77  0.030 / 0.030