PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/12-06:43:10
G01     224.4          15.3                6.5 +/-    4.06      16.1 +/-    4.06  0.040 / 0.030
G03     283.3          67.7                5.2 +/-    0.73       5.6 +/-    0.73  0.050 / 0.040
G09     296.4          11.4                2.7 +/-   18.27       7.4 +/-   18.27  0.210 / 0.240
G14     88.4           23.7                4.9 +/-    2.49       9.8 +/-    2.49  0.150 / 0.300
G16     140.2          48.8                6.2 +/-    0.75       7.9 +/-    0.75  0.050 / 0.070
G22     212.7          68.6                6.3 +/-    0.45       6.7 +/-    0.45  0.090 / 0.080
G23     309.2          39.0                4.3 +/-    0.80       6.3 +/-    0.80  0.130 / 0.150
G26     88.5           53.6                6.1 +/-    1.95       7.4 +/-    1.95  0.160 / 0.170
G31     46.9           27.8                3.2 +/-    1.94       5.8 +/-    1.94  0.050 / 0.070