PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/05-17:28:00
G01     285.7          40.9                9.0 +/-    1.34      12.9 +/-    1.34  0.040 / 0.060
G03     313.6          22.5                5.1 +/-    2.96      10.5 +/-    2.96  0.040 / 0.070
G10     122.7          26.0               11.1 +/-    0.82      21.1 +/-    0.82  0.050 / 0.070
G11     263.6          24.6               10.7 +/-    1.48      21.0 +/-    1.48  0.040 / 0.090
G14     28.1           57.2                6.6 +/-    0.74       7.7 +/-    0.74  0.030 / 0.030
G22     314.5          42.8                7.6 +/-    1.21      10.5 +/-    1.21  0.030 / 0.030
G25     63.3           19.0                8.1 +/-    0.72      18.3 +/-    0.72  0.060 / 0.090
G26     154.2          16.4               13.8 +/-    3.35      33.2 +/-    3.35  0.050 / 0.080
G31     102.5          80.0                9.3 +/-    0.82       9.4 +/-    0.82  0.120 / 0.200
G32     55.0           39.0                7.8 +/-    0.65      11.5 +/-    0.65  0.130 / 0.170