PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/08-00:27:10
G05     47.6           19.8                9.9 +/-    2.89      21.9 +/-    2.89  0.350 / 0.430
G13     81.0           36.4               12.5 +/-    0.94      19.3 +/-    0.94  0.120 / 0.480
G15     133.0          49.1               14.1 +/-    0.60      18.0 +/-    0.60  0.220 / 0.240
G16     316.5          11.7                5.5 +/-   17.24      14.9 +/-   17.24  0.160 / 0.240
G20     242.3          24.7               10.2 +/-    1.34      20.1 +/-    1.34  0.070 / 0.060
G21     308.7          43.7               11.4 +/-    1.04      15.7 +/-    1.04  0.080 / 0.160
G25     201.4          14.0               14.1 +/-    3.52      35.8 +/-    3.52  0.190 / 0.340
G26     290.1          21.1                9.7 +/-    1.94      20.8 +/-    1.94  0.240 / 0.400
G29     152.0          78.3               11.7 +/-    0.59      12.0 +/-    0.59  0.070 / 0.080