PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/01-03:57:50
G03     231.1          65.7                4.4 +/-    0.89       4.7 +/-    0.89  0.050 / 0.070
G07     250.9          10.7               -2.9 +/-   17.80      -8.1 +/-   17.80  0.040 / 0.050
G09     308.1          27.2                1.4 +/-    1.37       2.5 +/-    1.37  0.120 / 0.440
G14     103.0          11.9                3.9 +/-    3.36      10.5 +/-    3.36  0.090 / 0.510
G16     114.2          61.7               -4.6 +/-    0.93      -5.1 +/-    0.93  0.070 / 0.360
G22     194.0          51.4                6.1 +/-    1.11       7.5 +/-    1.11  0.080 / 0.470
G23     321.7          51.6                5.0 +/-    0.90       6.2 +/-    0.90  0.040 / 0.060
G26     62.4           48.8                3.2 +/-    0.66       4.1 +/-    0.66  0.040 / 0.040
G31     54.7           16.2                1.8 +/-    1.10       4.4 +/-    1.10  0.050 / 0.060