PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/03-16:12:50
G01     75.7           33.3               10.6 +/-    0.60      17.4 +/-    0.60  0.030 / 0.030
G07     134.9          34.9               12.6 +/-    1.18      20.0 +/-    1.18  0.030 / 0.040
G11     56.6           33.3                7.8 +/-    0.81      12.8 +/-    0.81  0.050 / 0.130
G13     279.7          37.9               10.7 +/-    1.17      16.2 +/-    1.17  0.050 / 0.110
G15     307.8          13.2                8.8 +/-    1.06      22.9 +/-    1.06  0.060 / 0.090
G17     226.7          64.5               12.3 +/-    0.69      13.4 +/-    0.69  0.050 / 0.090
G18     52.3           20.0                8.9 +/-    1.83      19.5 +/-    1.83  0.050 / 0.090
G19     221.3          35.6               13.3 +/-    1.85      20.8 +/-    1.85  0.060 / 0.080
G28     12.0           60.2                9.3 +/-    0.74      10.5 +/-    0.74  0.030 / 0.050
G30     130.4          66.3               11.6 +/-    0.48      12.5 +/-    0.48  0.040 / 0.050