PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-02:27:50
G01     72.7           33.1                3.6 +/-    0.56       5.9 +/-    0.56  0.110 / 0.330
G07     136.5          32.6                7.0 +/-    0.71      11.6 +/-    0.71  0.110 / 0.380
G11     56.5           33.5                2.3 +/-    0.57       3.7 +/-    0.57  0.040 / 0.050
G13     277.6          37.3                5.1 +/-    0.91       7.7 +/-    0.91  0.030 / 0.060
G15     303.3          15.5                1.2 +/-    2.11       2.9 +/-    2.11  0.030 / 0.040
G17     230.7          66.6                6.2 +/-    1.13       6.7 +/-    1.13  0.050 / 0.030
G19     223.1          41.2                6.1 +/-    0.47       8.6 +/-    0.47  0.040 / 0.080
G28     18.1           59.4                3.3 +/-    0.39       3.7 +/-    0.39  0.050 / 0.070
G30     133.6          59.0                5.1 +/-    0.92       5.8 +/-    0.92  0.050 / 0.120