PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/04-08:12:50
G01     315.5          24.7                3.8 +/-    3.04       7.4 +/-    3.04  0.040 / 0.050
G10     91.9           48.2                5.6 +/-    0.27       7.2 +/-    0.27  0.030 / 0.050
G11     295.6          25.8                3.7 +/-    1.54       7.2 +/-    1.54  0.090 / 0.200
G14     311.6          69.8                4.9 +/-    0.69       5.2 +/-    0.69  0.080 / 0.210
G18     295.9          45.2                5.6 +/-    0.99       7.5 +/-    0.99  0.120 / 0.340
G20     114.3          14.0                4.8 +/-    1.87      12.2 +/-    1.87  0.130 / 0.400
G22     305.6          19.5                3.3 +/-    1.51       7.3 +/-    1.51  0.110 / 0.200
G25     94.1           12.2                1.8 +/-   16.28       4.8 +/-   16.28  0.160 / 0.190
G31     170.8          53.5                6.7 +/-    1.70       8.1 +/-    1.70  0.040 / 0.040
G32     24.4           59.9                5.2 +/-    0.62       5.9 +/-    0.62  0.030 / 0.040