PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/10-04:43:10
G01     59.9           29.6                4.0 +/-    1.56       7.0 +/-    1.56  0.030 / 0.040
G06     179.7          13.0                2.3 +/-   18.77       6.0 +/-   18.77  0.030 / 0.030
G07     141.0          24.5                5.3 +/-    1.66      10.5 +/-    1.66  0.090 / 0.100
G11     50.5           29.4                4.5 +/-    1.13       8.0 +/-    1.13  0.130 / 0.160
G13     263.1          37.0                7.3 +/-    1.56      11.1 +/-    1.56  0.080 / 0.110
G15     292.6          17.4                4.8 +/-    1.04      11.2 +/-    1.04  0.130 / 0.200
G17     251.2          76.3                7.9 +/-    0.68       8.1 +/-    0.68  0.050 / 0.050
G19     229.7          51.5                8.7 +/-    3.41      10.7 +/-    3.41  0.050 / 0.050
G28     15.8           60.7                6.6 +/-    1.31       7.4 +/-    1.31  0.030 / 0.030
G30     143.5          58.7                8.1 +/-    0.29       9.3 +/-    0.29  0.030 / 0.030