PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/21-22:28:10
G01     291.4          39.9               12.8 +/-    6.22      18.6 +/-    6.22  0.050 / 0.080
G03     311.6          15.8                8.6 +/-    1.11      20.9 +/-    1.11  0.050 / 0.080
G10     119.2          29.8               11.7 +/-    1.90      20.6 +/-    1.90  0.080 / 0.080
G11     265.6          26.6                9.5 +/-    1.17      17.9 +/-    1.17  0.060 / 0.100
G14     24.5           58.7                9.7 +/-    0.77      11.1 +/-    0.77  0.020 / 0.030
G22     313.5          37.0               10.0 +/-    1.26      15.2 +/-    1.26  0.030 / 0.020
G25     66.5           18.6                9.8 +/-    1.07      22.3 +/-    1.07  0.080 / 0.130
G26     159.3          11.4                5.2 +/-   34.45      14.1 +/-   34.45  0.080 / 0.140
G31     148.6          77.9               12.2 +/-    0.68      12.5 +/-    0.68  0.030 / 0.060
G32     49.2           43.8                9.7 +/-    1.18      13.3 +/-    1.18  0.040 / 0.050