PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/15-23:12:40
G01     221.6          14.5                9.2 +/-   15.26      23.0 +/-   15.26  0.040 / 0.040
G03     282.8          68.4                8.2 +/-    0.80       8.7 +/-    0.80  0.040 / 0.040
G09     296.7          12.5                7.7 +/-    6.93      20.3 +/-    6.93  0.280 / 0.300
G14     86.5           26.5                6.8 +/-    2.16      12.9 +/-    2.16  0.180 / 0.310
G16     140.7          48.0               10.3 +/-    1.25      13.3 +/-    1.25  0.100 / 0.160
G22     215.0          68.3                8.3 +/-    0.70       8.9 +/-    0.70  0.080 / 0.190
G23     309.6          39.5                8.5 +/-    1.17      12.5 +/-    1.17  0.030 / 0.030
G26     91.5           54.3                7.8 +/-    1.27       9.3 +/-    1.27  0.030 / 0.030
G31     46.8           29.2                6.2 +/-    1.38      11.0 +/-    1.38  0.050 / 0.070