PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/02-10:12:50
G01     68.7           32.7                4.5 +/-    1.03       7.5 +/-    1.03  0.070 / 0.140
G07     138.4          28.5                5.4 +/-    1.10       9.7 +/-    1.10  0.080 / 0.140
G11     51.6           28.4                2.5 +/-    1.93       4.6 +/-    1.93  0.040 / 0.040
G13     271.7          37.6                6.0 +/-    1.17       9.1 +/-    1.17  0.040 / 0.040
G15     304.9          13.3                3.4 +/-    1.73       8.7 +/-    1.73  0.050 / 0.080
G17     238.2          72.7                5.8 +/-    0.42       6.1 +/-    0.42  0.060 / 0.080
G18     46.4           16.2                1.7 +/-    1.69       4.2 +/-    1.69  0.070 / 0.120
G19     225.2          39.4                6.1 +/-    1.32       8.9 +/-    1.32  0.070 / 0.130
G28     20.7           59.3                4.7 +/-    0.51       5.4 +/-    0.51  0.060 / 0.090
G30     137.6          61.9                6.9 +/-    1.09       7.7 +/-    1.09  0.060 / 0.070