PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-13:13:00
G01     100.3          28.6               11.5 +/-    8.61      20.8 +/-    8.61  0.030 / 0.030
G07     115.9          53.1               14.5 +/-    9.31      17.6 +/-    9.31  0.030 / 0.060
G08     41.6           13.6                3.8 +/-    1.26       9.8 +/-    1.26  0.060 / 0.130
G11     78.8           41.9               14.4 +/-    8.46      20.3 +/-    8.46  0.070 / 0.140
G13     303.9          32.5                5.8 +/-    1.39       9.7 +/-    1.39  0.060 / 0.060
G17     208.5          45.3                6.6 +/-    2.63       8.9 +/-    2.63  0.040 / 0.050
G18     72.8           24.5               11.1 +/-    8.50      21.9 +/-    8.50  0.170 / 0.170
G19     211.4          15.9                6.1 +/-    3.91      14.8 +/-    3.91  0.090 / 0.130
G28     330.5          61.7               13.1 +/-    8.40      14.6 +/-    8.40  0.030 / 0.050
G30     51.1           80.3               14.0 +/-    8.82      14.1 +/-    8.82  0.040 / 0.050