PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/01/24-19:27:40
G01     244.8          31.8               11.5 +/-    1.43      19.3 +/-    1.43  0.040 / 0.030
G03     313.9          51.3               10.9 +/-    0.95      13.6 +/-    0.95  0.030 / 0.030
G14     65.9           37.9                9.7 +/-    1.14      14.6 +/-    1.14  0.060 / 0.040
G16     161.6          22.9               14.1 +/-    1.37      28.9 +/-    1.37  0.040 / 0.040
G22     293.6          71.5               10.5 +/-    0.82      11.0 +/-    0.82  0.090 / 0.210
G23     291.3          23.4               12.1 +/-    2.54      24.5 +/-    2.54  0.080 / 0.160
G26     130.7          42.7               12.5 +/-    0.76      17.5 +/-    0.76  0.070 / 0.090
G31     40.2           52.7                9.2 +/-    0.69      11.2 +/-    0.69  0.060 / 0.090
G32     82.4           19.1                9.7 +/-    1.88      21.9 +/-    1.88  0.110 / 0.110