PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/23-23:43:10
G01     222.4          13.3                9.0 +/-    2.32      23.2 +/-    2.32  0.040 / 0.040
G03     273.5          69.5                6.7 +/-    0.61       7.1 +/-    0.61  0.040 / 0.040
G09     298.3          13.9                7.3 +/-    4.68      18.5 +/-    4.68  0.130 / 0.300
G14     91.3           20.5                5.3 +/-    1.36      11.6 +/-    1.36  0.130 / 0.250
G16     141.4          50.0                9.0 +/-    1.11      11.3 +/-    1.11  0.030 / 0.040
G22     208.3          66.2                7.5 +/-    0.49       8.2 +/-    0.49  0.030 / 0.040
G23     310.1          39.4                5.5 +/-    1.11       8.1 +/-    1.11  0.230 / 0.350
G26     89.4           55.1                6.2 +/-    0.69       7.4 +/-    0.69  0.170 / 0.360
G31     46.8           29.9                3.9 +/-    0.40       6.8 +/-    0.40  0.040 / 0.060