PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/14-05:42:50
G01     221.0          13.1                5.2 +/-    1.51      13.6 +/-    1.51  0.040 / 0.030
G03     272.5          70.1                4.5 +/-    0.82       4.7 +/-    0.82  0.040 / 0.030
G09     296.9          10.8              -12.8 +/-   21.31     -35.1 +/-   21.31  0.210 / 0.300
G14     90.2           22.1                2.6 +/-    1.57       5.5 +/-    1.57  0.230 / 0.340
G16     139.8          49.9                5.0 +/-    0.49       6.3 +/-    0.49  0.100 / 0.220
G22     209.1          66.1                3.9 +/-    0.37       4.2 +/-    0.37  0.100 / 0.250
G23     313.5          44.1                4.3 +/-    0.72       5.8 +/-    0.72  0.050 / 0.070
G26     86.9           54.2                4.4 +/-    0.39       5.2 +/-    0.39  0.040 / 0.070
G31     48.1           26.1               -3.6 +/-    2.14      -6.9 +/-    2.14  0.060 / 0.080