PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-07:28:10
G02     30.1           58.5                3.0 +/-    0.67       3.4 +/-    0.67  0.180 / 0.310
G05     146.0          57.2                5.2 +/-    0.77       6.1 +/-    0.77  0.160 / 0.290
G06     49.9           23.0                1.3 +/-    1.10       2.6 +/-    1.10  0.030 / 0.040
G12     216.7          74.7                5.3 +/-    0.98       5.4 +/-    0.98  0.030 / 0.040
G19     95.5           13.1                4.4 +/-    1.60      11.4 +/-    1.60  0.030 / 0.040
G20     200.1          16.1                4.9 +/-    2.58      11.8 +/-    2.58  0.030 / 0.040
G25     305.2          48.5                5.0 +/-    1.14       6.4 +/-    1.14  0.030 / 0.050
G29     303.8          25.0                4.1 +/-    1.62       8.1 +/-    1.62  0.030 / 0.050