PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/06-13:28:00
G03     204.3          54.5                8.3 +/-    0.44      10.0 +/-    0.44  0.040 / 0.050
G07     260.4          22.1                6.7 +/-    3.32      14.0 +/-    3.32  0.040 / 0.060
G09     310.6          28.2                4.7 +/-    1.70       8.6 +/-    1.70  0.210 / 0.250
G16     98.4           65.1                6.7 +/-    0.60       7.3 +/-    0.60  0.240 / 0.270
G22     185.4          37.4                6.2 +/-    1.24       9.4 +/-    1.24  0.050 / 0.090
G23     332.6          61.9                6.2 +/-    0.51       6.9 +/-    0.51  0.080 / 0.080
G26     53.7           43.8                5.7 +/-    0.94       7.8 +/-    0.94  0.040 / 0.040
G27     134.4          10.9                4.2 +/-   17.28      11.4 +/-   17.28  0.040 / 0.030