PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/31-20:28:10
G08     287.2          23.7                9.8 +/-    1.09      19.8 +/-    1.09  0.080 / 0.120
G10     17.4           62.9                8.3 +/-    0.69       9.2 +/-    0.69  0.080 / 0.130
G14     233.6          50.1               11.9 +/-    1.32      14.9 +/-    1.32  0.050 / 0.130
G18     317.5          15.0                7.7 +/-    1.26      19.1 +/-    1.26  0.040 / 0.130
G20     71.0           49.9                9.1 +/-    0.65      11.5 +/-    0.65  0.050 / 0.080
G21     148.3          35.1                9.7 +/-    1.40      15.4 +/-    1.40  0.060 / 0.090
G24     50.0           21.0                6.0 +/-    0.79      12.9 +/-    0.79  0.110 / 0.160
G27     252.1          29.7                9.5 +/-    1.51      16.7 +/-    1.51  0.110 / 0.180
G32     255.5          71.2                9.9 +/-    0.86      10.4 +/-    0.86  0.080 / 0.140