PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/30-05:27:40
G01     225.1          16.0                5.8 +/-    4.15      14.0 +/-    4.15  0.040 / 0.030
G03     287.2          66.7                5.0 +/-    0.46       5.4 +/-    0.46  0.040 / 0.030
G09     295.9          11.2                1.9 +/-   11.02       5.2 +/-   11.02  0.300 / 0.260
G14     87.7           23.8                4.7 +/-    2.25       9.5 +/-    2.25  0.190 / 0.250
G16     141.0          47.9                5.0 +/-    0.74       6.4 +/-    0.74  0.080 / 0.080
G22     217.9          69.8                5.8 +/-    0.64       6.1 +/-    0.64  0.070 / 0.080
G23     307.9          37.4                2.3 +/-    1.24       3.5 +/-    1.24  0.120 / 0.150
G26     90.4           53.5                3.9 +/-    0.60       4.7 +/-    0.60  0.120 / 0.150
G31     46.5           28.7                3.4 +/-    1.81       6.2 +/-    1.81  0.050 / 0.070