PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/04-02:28:00
G10     273.4          41.7               13.4 +/-    1.01      19.0 +/-    1.01  0.080 / 0.140
G13     39.6           13.8                6.8 +/-    0.79      17.4 +/-    0.79  0.080 / 0.140
G15     54.8           45.9                8.7 +/-    0.71      11.6 +/-    0.71  0.060 / 0.060
G20     296.9          57.6               10.8 +/-    1.14      12.5 +/-    1.14  0.070 / 0.070
G21     16.2           74.8               12.4 +/-    0.64      12.8 +/-    0.64  0.040 / 0.050
G24     114.5          17.6               10.3 +/-    1.28      24.1 +/-    1.28  0.040 / 0.040
G27     315.7          23.2                8.3 +/-    1.33      16.9 +/-    1.33  0.120 / 0.300
G29     168.8          26.1               12.2 +/-    1.14      23.2 +/-    1.14  0.100 / 0.280
G32     204.8          16.0               16.2 +/-    2.10      39.3 +/-    2.10  0.050 / 0.110