PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-02:58:00
G03     315.5          43.9                5.0 +/-    1.44       6.8 +/-    1.44  0.040 / 0.050
G11     234.0          11.6                3.5 +/-    3.29       9.3 +/-    3.29  0.030 / 0.050
G14     63.7           38.2                4.1 +/-    0.69       6.1 +/-    0.69  0.050 / 0.090
G16     165.0          18.3                5.5 +/-    2.93      12.6 +/-    2.93  0.050 / 0.120
G22     302.3          67.3                4.5 +/-    0.61       4.9 +/-    0.61  0.030 / 0.040
G23     287.6          19.3                6.4 +/-    0.87      14.4 +/-    0.87  0.030 / 0.040
G26     139.2          38.4                8.0 +/-    1.23      12.0 +/-    1.23  0.140 / 0.480
G31     39.5           59.7                4.4 +/-    0.40       5.0 +/-    0.40  0.120 / 0.440