PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/14-06:58:10
G03     251.6          68.9                4.8 +/-    0.86       5.1 +/-    0.86  0.050 / 0.050
G09     302.8          18.7                2.5 +/-    0.80       5.8 +/-    0.80  0.050 / 0.070
G14     97.2           17.2                4.0 +/-    2.00       9.4 +/-    2.00  0.130 / 0.430
G16     125.6          57.5                5.7 +/-    0.57       6.6 +/-    0.57  0.120 / 0.430
G22     198.8          58.7                6.1 +/-    1.08       7.0 +/-    1.08  0.030 / 0.060
G23     317.0          46.7                3.1 +/-    1.31       4.1 +/-    1.31  0.030 / 0.060
G26     70.5           51.1                5.0 +/-    0.30       6.2 +/-    0.30  0.050 / 0.070
G31     51.6           19.5                0.7 +/-    0.77       1.6 +/-    0.77  0.050 / 0.060