PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/11-23:28:10
G01     222.3          13.1                8.3 +/-    6.27      21.6 +/-    6.27  0.050 / 0.060
G03     271.0          69.6                6.6 +/-    0.67       7.0 +/-    0.67  0.040 / 0.060
G09     297.3          10.8              -10.7 +/-   32.06     -29.3 +/-   32.06  0.240 / 0.400
G14     91.8           20.4                9.1 +/-    1.85      19.7 +/-    1.85  0.130 / 0.320
G16     147.1          48.9               11.9 +/-    1.03      15.2 +/-    1.03  0.040 / 0.080
G22     207.0          66.2                9.4 +/-    0.91      10.2 +/-    0.91  0.040 / 0.110
G23     311.1          40.7                8.7 +/-    1.34      12.5 +/-    1.34  0.040 / 0.080
G26     90.1           55.5                7.8 +/-    0.77       9.3 +/-    0.77  0.030 / 0.060
G31     46.8           29.4                5.6 +/-    0.94       9.9 +/-    0.94  0.130 / 0.280