PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-00:28:00
G05     47.6           19.8                9.5 +/-    0.80      20.9 +/-    0.80  0.060 / 0.170
G13     81.0           36.4               12.4 +/-    0.94      19.2 +/-    0.94  0.070 / 0.160
G15     133.0          49.1               15.1 +/-    0.98      19.2 +/-    0.98  0.190 / 0.550
G16     316.5          11.7                8.5 +/-    2.98      22.9 +/-    2.98  0.160 / 0.530
G20     242.3          24.7               12.7 +/-    1.31      25.0 +/-    1.31  0.050 / 0.080
G21     308.7          43.7               11.7 +/-    1.51      16.1 +/-    1.51  0.050 / 0.090
G25     201.4          14.0               14.7 +/-    3.13      37.5 +/-    3.13  0.190 / 0.350
G26     290.1          21.1               11.4 +/-    2.81      24.4 +/-    2.81  0.180 / 0.330
G29     152.0          78.3               12.7 +/-    0.71      13.0 +/-    0.71  0.040 / 0.030