PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/08-06:57:40
G01     315.4          25.8                1.9 +/-    1.34       3.6 +/-    1.34  0.070 / 0.170
G10     92.4           46.8                5.2 +/-    1.10       6.9 +/-    1.10  0.070 / 0.120
G11     294.5          26.1                4.1 +/-    2.11       7.8 +/-    2.11  0.100 / 0.150
G14     324.4          71.2                4.6 +/-    0.90       4.9 +/-    0.90  0.110 / 0.130
G18     294.2          46.9                4.8 +/-    1.12       6.4 +/-    1.12  0.030 / 0.050
G20     112.4          23.0                4.3 +/-    1.93       8.8 +/-    1.93  0.040 / 0.050
G22     305.6          18.0                4.3 +/-    0.70       9.9 +/-    0.70  0.040 / 0.050
G25     94.2           11.8               -5.1 +/-   29.89     -13.7 +/-   29.89  0.040 / 0.050
G31     172.4          51.9                8.1 +/-    0.71      10.0 +/-    0.71  0.120 / 0.340
G32     16.5           63.4                3.8 +/-    1.01       4.2 +/-    1.01  0.130 / 0.460