PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/10-01:28:10
G01     225.7          16.4                4.7 +/-    1.88      11.3 +/-    1.88  0.040 / 0.040
G03     287.1          67.0                3.2 +/-    0.82       3.4 +/-    0.82  0.030 / 0.040
G14     87.9           22.9                3.1 +/-    0.79       6.4 +/-    0.79  0.040 / 0.080
G16     153.6          42.8                7.9 +/-    0.60      11.0 +/-    0.60  0.050 / 0.080
G22     217.5          70.6                5.2 +/-    0.85       5.5 +/-    0.85  0.050 / 0.070
G23     307.1          36.6                3.5 +/-    0.82       5.4 +/-    0.82  0.040 / 0.090
G26     102.7          55.4                4.8 +/-    0.94       5.7 +/-    0.94  0.090 / 0.240
G31     44.2           35.2                1.8 +/-    0.56       2.8 +/-    0.56  0.090 / 0.260