PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/25-02:27:50
G03     223.1          62.9                5.5 +/-    1.46       6.1 +/-    1.46  0.050 / 0.060
G07     253.7          13.4                4.4 +/-    2.46      11.5 +/-    2.46  0.040 / 0.050
G09     309.7          29.1                2.0 +/-    1.70       3.5 +/-    1.70  0.090 / 0.270
G16     106.6          63.2                3.7 +/-    0.29       4.1 +/-    0.29  0.060 / 0.360
G22     192.1          47.6                5.6 +/-    0.96       7.2 +/-    0.96  0.040 / 0.050
G23     324.2          54.2                3.8 +/-    0.52       4.6 +/-    0.52  0.040 / 0.040
G26     58.7           47.0                2.7 +/-    0.55       3.5 +/-    0.55  0.040 / 0.040
G31     56.4           14.4                2.0 +/-    1.75       5.2 +/-    1.75  0.050 / 0.040