PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/03-07:57:40
G02     212.8          59.1                9.5 +/-    0.69      10.9 +/-    0.69  0.050 / 0.100
G06     68.3           76.6                6.9 +/-    0.43       7.1 +/-    0.43  0.050 / 0.090
G12     317.5          35.3                4.2 +/-    1.29       6.6 +/-    1.29  0.040 / 0.060
G17     54.4           33.8                4.3 +/-    0.66       6.9 +/-    0.66  0.030 / 0.040
G19     37.3           49.7                5.3 +/-    0.56       6.7 +/-    0.56  0.080 / 0.260
G24     271.6          41.4                6.5 +/-    0.98       9.3 +/-    0.98  0.080 / 0.280
G28     117.4          24.1                5.9 +/-    0.96      11.8 +/-    0.96  0.040 / 0.050