PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/03-05:43:00
G03     245.8          68.0                5.7 +/-    1.54       6.1 +/-    1.54  0.040 / 0.040
G09     304.5          21.2                4.6 +/-    1.43       9.7 +/-    1.43  0.050 / 0.050
G14     99.6           14.8                4.1 +/-    1.89      10.2 +/-    1.89  0.050 / 0.060
G16     120.2          59.3                6.0 +/-    0.45       6.9 +/-    0.45  0.060 / 0.060
G22     198.3          56.7                7.0 +/-    0.59       8.1 +/-    0.59  0.100 / 0.330
G23     318.2          47.8                5.3 +/-    0.69       6.8 +/-    0.69  0.120 / 0.410
G26     66.6           49.8                5.8 +/-    0.47       7.3 +/-    0.47  0.030 / 0.040
G31     52.9           17.6                3.3 +/-    3.16       7.7 +/-    3.16  0.040 / 0.050