PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/11-17:12:50
G10     264.4          37.0               12.9 +/-    1.32      19.7 +/-    1.32  0.040 / 0.040
G13     43.0           19.9                8.5 +/-    1.26      18.8 +/-    1.26  0.040 / 0.040
G15     64.4           52.9               10.6 +/-    0.76      12.9 +/-    0.76  0.110 / 0.310
G16     282.0          12.9                8.6 +/-    1.65      22.5 +/-    1.65  0.140 / 0.250
G20     292.9          59.2               11.6 +/-    0.97      13.3 +/-    0.97  0.120 / 0.200
G21     2.0            71.0               10.8 +/-    0.62      11.3 +/-    0.62  0.200 / 0.310
G24     118.8          13.2               15.1 +/-    1.85      39.2 +/-    1.85  0.030 / 0.040
G27     320.5          15.2                8.3 +/-    1.14      20.5 +/-    1.14  0.030 / 0.050
G29     167.0          33.4               12.8 +/-    1.28      21.0 +/-    1.28  0.140 / 0.240