PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/08/29-12:12:40
G01     108.8          24.4                3.7 +/-    1.11       7.3 +/-    1.11  0.090 / 0.260
G07     105.2          57.1                4.7 +/-    0.31       5.5 +/-    0.31  0.070 / 0.250
G08     41.9           20.2                2.8 +/-    0.45       6.1 +/-    0.45  0.030 / 0.030
G09     173.4          13.2                5.1 +/-    1.53      13.2 +/-    1.53  0.020 / 0.030
G11     89.5           40.8                4.5 +/-    0.35       6.4 +/-    0.35  0.030 / 0.040
G13     312.6          25.5                5.1 +/-    2.71       9.8 +/-    2.71  0.030 / 0.040
G17     204.4          38.3                5.6 +/-    1.82       8.4 +/-    1.82  0.060 / 0.080
G19     208.3          12.7                4.2 +/-    1.36      11.0 +/-    1.36  0.070 / 0.070
G28     314.4          60.5                4.5 +/-    0.82       5.1 +/-    0.82  0.070 / 0.150
G30     7.7            75.8                5.6 +/-    0.31       5.8 +/-    0.31  0.080 / 0.150