PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/14-00:27:30
G01     242.2          30.3                7.8 +/-    2.04      13.5 +/-    2.04  0.030 / 0.030
G03     313.2          50.6                5.3 +/-    0.78       6.7 +/-    0.78  0.040 / 0.030
G14     69.4           35.1                4.5 +/-    1.03       7.2 +/-    1.03  0.150 / 0.150
G16     163.7          22.9                1.7 +/-    1.48       3.5 +/-    1.48  0.130 / 0.140
G22     290.0          71.8                4.8 +/-    0.59       5.0 +/-    0.59  0.040 / 0.030
G23     292.3          23.4                7.2 +/-    1.32      14.7 +/-    1.32  0.030 / 0.030
G26     132.4          43.7                8.4 +/-    0.59      11.5 +/-    0.59  0.090 / 0.190
G31     39.2           53.8                4.4 +/-    0.73       5.3 +/-    0.73  0.070 / 0.180
G32     83.6           19.4                5.3 +/-    2.31      11.8 +/-    2.31  0.130 / 0.130