PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/13-01:58:00
G01     235.3          25.4                7.4 +/-    1.13      14.3 +/-    1.13  0.040 / 0.030
G03     308.0          57.7                4.8 +/-    1.38       5.6 +/-    1.38  0.040 / 0.030
G14     75.8           31.4                4.5 +/-    1.26       7.7 +/-    1.26  0.120 / 0.180
G16     153.6          34.0                7.1 +/-    1.83      11.4 +/-    1.83  0.160 / 0.240
G18     208.8          14.5                8.3 +/-    3.42      21.0 +/-    3.42  0.080 / 0.110
G22     262.7          74.9                5.2 +/-    0.42       5.4 +/-    0.42  0.080 / 0.130
G23     298.0          28.2                4.8 +/-    1.19       8.8 +/-    1.19  0.090 / 0.130
G26     117.1          49.7                7.2 +/-    0.98       9.1 +/-    0.98  0.090 / 0.110
G31     41.7           43.1                4.2 +/-    1.26       5.8 +/-    1.26  0.140 / 0.300
G32     90.6           12.5                4.4 +/-    2.03      11.7 +/-    2.03  0.150 / 0.350