PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/29-01:12:30
G01     228.0          18.9                9.7 +/-    2.26      21.9 +/-    2.26  0.030 / 0.040
G03     294.5          65.3                4.0 +/-    1.04       4.3 +/-    1.04  0.040 / 0.040
G14     84.4           25.6                5.2 +/-    1.52      10.0 +/-    1.52  0.130 / 0.300
G16     147.6          42.9                6.8 +/-    0.67       9.5 +/-    0.67  0.140 / 0.330
G22     226.9          72.4                7.0 +/-    0.94       7.3 +/-    0.94  0.090 / 0.180
G23     304.6          34.1                7.9 +/-    1.25      12.8 +/-    1.25  0.090 / 0.220
G26     102.6          53.8                5.5 +/-    0.51       6.6 +/-    0.51  0.040 / 0.100
G31     44.1           35.4                3.4 +/-    0.78       5.3 +/-    0.78  0.050 / 0.100