PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/07/24-01:12:40
G10     250.4          25.6               12.4 +/-    2.14      23.8 +/-    2.14  0.070 / 0.210
G13     54.6           31.3                9.1 +/-    1.22      15.6 +/-    1.22  0.070 / 0.230
G15     91.6           58.7               12.0 +/-    0.88      13.8 +/-    0.88  0.040 / 0.040
G16     297.2          14.7                7.2 +/-    2.70      18.1 +/-    2.70  0.040 / 0.050
G18     267.5          54.5               10.0 +/-    2.12      12.0 +/-    2.12  0.130 / 0.330
G20     43.7           47.2                9.7 +/-    0.87      12.6 +/-    0.87  0.110 / 0.320
G21     332.8          60.0                8.5 +/-    0.53       9.7 +/-    0.53  0.100 / 0.170
G26     269.4          15.6               11.0 +/-    0.96      27.0 +/-    0.96  0.110 / 0.130
G29     164.3          48.1               11.3 +/-    0.60      14.6 +/-    0.60  0.040 / 0.040