PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/30-22:57:30
G01     227.9          18.8                9.1 +/-    2.00      20.6 +/-    2.00  0.090 / 0.190
G03     293.8          65.8                5.4 +/-    1.10       5.8 +/-    1.10  0.100 / 0.210
G14     84.6           25.2                8.7 +/-    1.09      16.9 +/-    1.09  0.140 / 0.370
G16     148.8          42.3                9.4 +/-    0.94      13.2 +/-    0.94  0.150 / 0.370
G22     225.6          72.3                7.7 +/-    0.54       8.0 +/-    0.54  0.030 / 0.040
G23     304.5          33.9                8.6 +/-    1.44      13.9 +/-    1.44  0.030 / 0.030
G26     104.8          54.0                7.6 +/-    0.35       9.1 +/-    0.35  0.050 / 0.080
G31     43.6           37.0                5.1 +/-    0.62       7.7 +/-    0.62  0.050 / 0.090