PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/26-11:57:50
G01     287.4          40.7                5.8 +/-    1.26       8.3 +/-    1.26  0.050 / 0.060
G03     313.3          21.5                4.0 +/-    5.15       8.5 +/-    5.15  0.050 / 0.050
G10     121.8          26.7                6.8 +/-    0.61      12.7 +/-    0.61  0.090 / 0.130
G11     264.0          24.9                8.0 +/-    1.19      15.7 +/-    1.19  0.090 / 0.130
G14     21.7           59.7                5.8 +/-    0.46       6.6 +/-    0.46  0.050 / 0.080
G18     250.3          46.3                8.0 +/-    1.29      10.5 +/-    1.29  0.040 / 0.080
G22     315.2          46.4                5.0 +/-    1.78       6.7 +/-    1.78  0.110 / 0.220
G25     64.8           19.1                4.5 +/-    0.65      10.0 +/-    0.65  0.110 / 0.190
G31     99.9           79.1                6.5 +/-    0.86       6.6 +/-    0.86  0.050 / 0.110
G32     54.7           38.8                4.0 +/-    1.09       6.0 +/-    1.09  0.060 / 0.090