PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/10-09:42:50
G10     254.9          29.7                5.4 +/-    3.01       9.5 +/-    3.01  0.060 / 0.050
G13     49.8           27.5                0.8 +/-    2.66       1.5 +/-    2.66  0.040 / 0.040
G15     74.8           55.0                4.4 +/-    0.48       5.2 +/-    0.48  0.090 / 0.390
G16     291.5          14.6                2.5 +/-    1.12       6.3 +/-    1.12  0.090 / 0.230
G20     41.0           50.9                2.6 +/-    0.59       3.2 +/-    0.59  0.080 / 0.040
G21     342.7          64.6                3.8 +/-    0.41       4.2 +/-    0.41  0.040 / 0.050
G26     262.8          13.5                4.3 +/-    1.69      11.1 +/-    1.69  0.130 / 0.110
G29     165.6          43.4                5.5 +/-    0.92       7.6 +/-    0.92  0.120 / 0.110