PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/22-16:27:50
G10     264.4          37.0                8.5 +/-    1.34      12.9 +/-    1.34  0.130 / 0.330
G13     43.0           19.9                2.7 +/-    1.28       6.0 +/-    1.28  0.140 / 0.370
G15     63.9           52.5                8.0 +/-    0.37       9.8 +/-    0.37  0.160 / 0.360
G16     282.3          12.9                7.7 +/-    2.32      20.1 +/-    2.32  0.120 / 0.290
G20     293.0          59.2                9.3 +/-    0.78      10.7 +/-    0.78  0.040 / 0.040
G21     3.4            71.2                8.8 +/-    0.77       9.3 +/-    0.77  0.040 / 0.050
G24     118.5          13.2               10.4 +/-    1.94      26.9 +/-    1.94  0.060 / 0.090
G27     320.6          15.0                4.4 +/-    2.36      10.9 +/-    2.36  0.040 / 0.090
G29     166.9          33.1               11.8 +/-    0.95      19.4 +/-    0.95  0.130 / 0.330