PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/26-19:27:50
G08     320.0          12.0               11.7 +/-    1.79      31.2 +/-    1.79  0.200 / 0.340
G10     304.8          54.2               11.2 +/-    1.04      13.5 +/-    1.04  0.110 / 0.210
G14     211.4          15.9               12.5 +/-    1.38      30.5 +/-    1.38  0.100 / 0.120
G15     46.0           27.1                8.4 +/-    1.93      15.7 +/-    1.93  0.080 / 0.150
G20     3.6            64.9               11.5 +/-    0.64      12.6 +/-    0.64  0.030 / 0.030
G21     110.5          69.9               13.4 +/-    0.76      14.2 +/-    0.76  0.030 / 0.040
G24     88.6           27.4               11.1 +/-    2.26      20.5 +/-    2.26  0.080 / 0.070
G27     296.9          35.0               11.9 +/-    4.87      19.0 +/-    4.87  0.090 / 0.080
G32     212.5          36.9               12.9 +/-    1.71      19.8 +/-    1.71  0.130 / 0.330