PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/05-13:57:40
G01     75.7           33.2                8.9 +/-    1.04      14.6 +/-    1.04  0.030 / 0.050
G07     134.9          34.7                9.0 +/-    1.52      14.3 +/-    1.52  0.030 / 0.030
G11     56.1           32.7                7.6 +/-    1.05      12.6 +/-    1.05  0.060 / 0.100
G13     279.5          38.0                7.0 +/-    1.95      10.5 +/-    1.95  0.050 / 0.090
G15     308.8          12.5                6.4 +/-    2.12      16.8 +/-    2.12  0.040 / 0.060
G17     226.8          66.2                8.9 +/-    0.77       9.6 +/-    0.77  0.030 / 0.050
G18     52.0           19.8                8.5 +/-    1.21      18.7 +/-    1.21  0.100 / 0.110
G19     221.2          34.9                8.1 +/-    2.50      12.8 +/-    2.50  0.090 / 0.100
G28     11.7           60.2                7.8 +/-    0.43       8.9 +/-    0.43  0.040 / 0.090
G30     130.3          67.3                7.1 +/-    0.67       7.6 +/-    0.67  0.050 / 0.080