PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-06:58:10
G01     222.3          13.1                5.2 +/-    3.24      13.4 +/-    3.24  0.030 / 0.040
G03     274.4          68.9                6.8 +/-    0.39       7.2 +/-    0.39  0.030 / 0.040
G09     298.3          13.4                4.7 +/-    2.22      12.1 +/-    2.22  0.180 / 0.590
G14     91.0           21.9                3.1 +/-    1.86       6.5 +/-    1.86  0.170 / 0.740
G16     136.7          51.6                7.0 +/-    0.78       8.7 +/-    0.78  0.070 / 0.060
G22     207.0          65.8                6.1 +/-    0.51       6.6 +/-    0.51  0.060 / 0.060
G23     311.6          41.3                4.2 +/-    1.06       6.0 +/-    1.06  0.110 / 0.180
G26     82.9           53.3                5.4 +/-    1.58       6.6 +/-    1.58  0.130 / 0.190
G31     48.2           25.3                2.8 +/-    2.01       5.5 +/-    2.01  0.040 / 0.060