PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/30-03:57:50
G03     200.5          40.2                6.9 +/-    0.69      10.1 +/-    0.69  0.080 / 0.190
G07     273.3          27.7                5.6 +/-    1.92      10.4 +/-    1.92  0.070 / 0.210
G08     152.1          13.7                3.8 +/-    2.85       9.8 +/-    2.85  0.170 / 0.340
G09     318.5          45.3                1.8 +/-    1.70       2.3 +/-    1.70  0.140 / 0.330
G16     60.1           61.2                5.3 +/-    0.68       6.0 +/-    0.68  0.070 / 0.120
G22     183.4          23.9                4.7 +/-    2.05       9.5 +/-    2.05  0.100 / 0.110
G23     351.9          75.5                2.7 +/-    0.34       2.8 +/-    0.34  0.040 / 0.040
G26     44.9           31.8                4.1 +/-    0.46       6.9 +/-    0.46  0.040 / 0.050
G27     117.5          23.7                6.1 +/-    0.69      12.3 +/-    0.69  0.110 / 0.160