PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-02:12:40
G01     106.8          25.7                5.1 +/-    1.90       9.8 +/-    1.90  0.040 / 0.040
G07     107.1          58.1                5.0 +/-    0.77       5.8 +/-    0.77  0.040 / 0.050
G08     42.1           21.2                3.3 +/-    2.11       7.1 +/-    2.11  0.070 / 0.070
G09     175.5          14.3                5.7 +/-    1.66      14.5 +/-    1.66  0.080 / 0.070
G11     91.2           43.0                7.7 +/-    1.12      10.7 +/-    1.12  0.040 / 0.030
G13     310.1          27.9                3.6 +/-    0.83       6.6 +/-    0.83  0.030 / 0.030
G17     206.2          37.7                6.9 +/-    0.74      10.5 +/-    0.74  0.150 / 0.240
G19     209.1          13.8                5.3 +/-    1.43      13.5 +/-    1.43  0.220 / 0.170
G28     319.8          61.2                3.4 +/-    0.69       3.8 +/-    0.69  0.090 / 0.170
G30     43.2           78.1                4.8 +/-    0.91       4.9 +/-    0.91  0.060 / 0.130