PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/28-00:27:50
G03     286.0          67.8                7.8 +/-    0.85       8.4 +/-    0.85  0.040 / 0.030
G09     295.6          10.8              -12.6 +/-   19.15     -34.6 +/-   19.15  0.040 / 0.030
G14     85.8           26.6                4.9 +/-    1.93       9.3 +/-    1.93  0.080 / 0.150
G16     142.1          46.9                9.7 +/-    0.95      12.8 +/-    0.95  0.090 / 0.150
G22     218.2          69.4                7.7 +/-    0.81       8.2 +/-    0.81  0.040 / 0.070
G23     308.9          39.0                6.3 +/-    1.13       9.3 +/-    1.13  0.040 / 0.070
G26     93.5           54.2                7.4 +/-    1.08       8.9 +/-    1.08  0.030 / 0.030
G31     46.4           29.8                4.9 +/-    1.93       8.6 +/-    1.93  0.030 / 0.030