PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-01:57:40
G01     219.2          11.7                6.1 +/-    3.59      16.3 +/-    3.59  0.030 / 0.070
G03     269.4          69.9                4.9 +/-    1.14       5.1 +/-    1.14  0.030 / 0.050
G09     298.7          13.8                3.6 +/-    2.04       9.2 +/-    2.04  0.110 / 0.200
G14     91.0           22.6                4.9 +/-    1.49      10.2 +/-    1.49  0.110 / 0.260
G16     136.1          51.8                7.0 +/-    0.80       8.7 +/-    0.80  0.240 / 0.410
G22     208.1          64.7                5.1 +/-    0.58       5.6 +/-    0.58  0.260 / 0.470
G23     313.4          43.5                5.5 +/-    0.82       7.6 +/-    0.82  0.170 / 0.500
G26     83.1           53.9                4.2 +/-    0.94       5.1 +/-    0.94  0.270 / 0.410
G31     48.8           24.9                4.4 +/-    3.13       8.6 +/-    3.13  0.050 / 0.050