PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/06-06:58:00
G02     202.2          36.4                7.2 +/-    1.29      11.2 +/-    1.29  0.220 / 0.230
G06     158.0          68.8                7.7 +/-    0.31       8.2 +/-    0.31  0.110 / 0.220
G12     307.3          17.2                4.7 +/-    2.67      11.2 +/-    2.67  0.050 / 0.090
G17     36.2           48.7                4.8 +/-    1.58       6.2 +/-    1.58  0.070 / 0.090
G19     5.6            64.5                4.6 +/-    0.65       5.0 +/-    0.65  0.040 / 0.040
G24     299.0          36.8                4.8 +/-    2.82       7.4 +/-    2.82  0.040 / 0.040
G28     97.2           39.0                7.3 +/-    1.74      10.8 +/-    1.74  0.040 / 0.030