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                2.4 +/-    1.92       3.5 +/-    1.92  0.040 / 0.070
G03     313.6          22.5                7.4 +/-    1.74      15.4 +/-    1.74  0.040 / 0.060
G10     122.7          26.0                8.6 +/-    1.15      16.5 +/-    1.15  0.050 / 0.060
G11     263.6          24.6               10.6 +/-    2.59      20.8 +/-    2.59  0.070 / 0.060
G14     28.1           57.2                7.5 +/-    1.57       8.7 +/-    1.57  0.080 / 0.130
G22     314.5          42.8                7.8 +/-    0.69      10.8 +/-    0.69  0.050 / 0.120
G25     63.3           19.0                7.4 +/-    1.45      16.6 +/-    1.45  0.020 / 0.020
G26     154.2          16.4               13.5 +/-    2.32      32.5 +/-    2.32  0.020 / 0.020
G31     102.5          80.0                8.3 +/-    0.56       8.4 +/-    0.56  0.060 / 0.070
G32     55.0           39.0                7.3 +/-    1.52      10.7 +/-    1.52  0.050 / 0.090