PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/05-14:13:00
G03     218.9          62.9               12.4 +/-    0.98      13.8 +/-    0.98  0.040 / 0.050
G07     252.2          10.8                0.6 +/-   21.13       1.7 +/-   21.13  0.040 / 0.060
G09     307.0          22.9                5.8 +/-    1.44      12.0 +/-    1.44  0.080 / 0.150
G14     103.8          13.7                9.9 +/-    1.43      25.4 +/-    1.43  0.090 / 0.140
G16     108.5          62.9               11.4 +/-    1.01      12.7 +/-    1.01  0.180 / 0.400
G22     186.1          44.7               11.5 +/-    1.74      15.5 +/-    1.74  0.140 / 0.470
G23     330.1          59.0                8.5 +/-    1.12       9.8 +/-    1.12  0.040 / 0.050
G26     58.4           46.2                8.1 +/-    0.76      10.8 +/-    0.76  0.040 / 0.060
G31     56.4           12.8                7.0 +/-    1.53      18.4 +/-    1.53  0.110 / 0.360