PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/22-05:57:40
G01     59.9           29.7                3.2 +/-    2.62       5.6 +/-    2.62  0.030 / 0.040
G06     179.5          13.4                3.2 +/-   16.26       8.3 +/-   16.26  0.040 / 0.030
G07     141.0          24.0                5.9 +/-    1.60      11.9 +/-    1.60  0.050 / 0.060
G11     50.2           28.7                3.0 +/-    1.90       5.4 +/-    1.90  0.040 / 0.060
G13     263.0          37.0                5.4 +/-    1.71       8.3 +/-    1.71  0.070 / 0.160
G15     293.1          17.1                6.2 +/-    1.12      14.6 +/-    1.12  0.100 / 0.230
G17     250.8          75.9               -0.4 +/-    0.80      -0.4 +/-    0.80  0.030 / 0.020
G19     229.9          51.5                6.8 +/-    3.42       8.5 +/-    3.42  0.040 / 0.030
G28     16.9           60.6                6.8 +/-    3.04       7.7 +/-    3.04  0.080 / 0.120
G30     143.5          58.1                6.6 +/-    0.81       7.6 +/-    0.81  0.100 / 0.080