PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/15-05:57:40
G01     304.6          34.9                4.9 +/-    0.99       7.9 +/-    0.99  0.070 / 0.110
G10     109.0          37.8                7.9 +/-    0.69      11.9 +/-    0.69  0.070 / 0.110
G11     278.3          28.0                7.0 +/-    1.49      12.7 +/-    1.49  0.070 / 0.100
G14     356.9          66.4                6.1 +/-    0.49       6.6 +/-    0.49  0.070 / 0.100
G18     272.8          49.9                0.8 +/-    4.20       1.1 +/-    4.20  0.040 / 0.040
G20     120.1          24.5                9.0 +/-    3.51      17.8 +/-    3.51  0.050 / 0.040
G22     311.0          29.0                5.6 +/-    0.98      10.0 +/-    0.98  0.060 / 0.150
G25     79.1           17.2                6.1 +/-    2.00      14.3 +/-    2.00  0.060 / 0.130
G31     157.5          69.7                7.9 +/-    0.30       8.4 +/-    0.30  0.100 / 0.120
G32     41.0           48.9                5.4 +/-    0.74       6.9 +/-    0.74  0.080 / 0.120