PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/29-16:28:10
G01     75.9           33.3                9.4 +/-    0.86      15.3 +/-    0.86  0.050 / 0.080
G07     134.8          35.1               12.0 +/-    1.42      19.0 +/-    1.42  0.060 / 0.080
G11     56.9           33.5                7.3 +/-    0.67      11.9 +/-    0.67  0.030 / 0.030
G13     279.9          37.9               10.9 +/-    1.47      16.4 +/-    1.47  0.030 / 0.040
G15     307.8          13.2                9.2 +/-    1.20      24.0 +/-    1.20  0.060 / 0.110
G17     226.5          64.1               11.6 +/-    0.68      12.8 +/-    0.68  0.090 / 0.120
G18     52.5           20.1                7.8 +/-    1.21      17.1 +/-    1.21  0.080 / 0.110
G19     221.2          35.6               13.7 +/-    1.77      21.5 +/-    1.77  0.070 / 0.090
G28     11.7           60.2                8.9 +/-    0.48      10.0 +/-    0.48  0.080 / 0.130
G30     130.2          66.4               11.0 +/-    0.46      11.9 +/-    0.46  0.080 / 0.130