PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/17-00:13:00
G01     245.4          34.4               10.7 +/-    1.93      17.1 +/-    1.93  0.040 / 0.050
G03     315.9          44.8                6.2 +/-    1.11       8.4 +/-    1.11  0.040 / 0.040
G14     59.5           42.3                6.7 +/-    0.93       9.5 +/-    0.93  0.050 / 0.070
G16     160.0          21.1                0.1 +/-   20.71       0.3 +/-   20.71  0.040 / 0.090
G22     302.1          66.4                5.9 +/-    0.71       6.3 +/-    0.71  0.090 / 0.080
G23     288.8          21.7                8.9 +/-    1.86      18.7 +/-    1.86  0.080 / 0.110
G26     133.5          40.2                9.2 +/-    1.03      13.4 +/-    1.03  0.050 / 0.060
G31     41.5           54.8                6.2 +/-    0.61       7.4 +/-    0.61  0.050 / 0.060
G32     79.4           20.5                6.3 +/-    2.44      13.6 +/-    2.44  0.040 / 0.050