PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-22:27:50
G01     309.3          31.4                7.5 +/-    2.54      12.7 +/-    2.54  0.090 / 0.130
G10     102.9          42.7                9.8 +/-    0.75      13.7 +/-    0.75  0.090 / 0.150
G11     284.7          28.5                8.4 +/-    0.86      15.2 +/-    0.86  0.070 / 0.120
G14     352.7          67.8                7.5 +/-    0.56       8.1 +/-    0.56  0.080 / 0.100
G18     115.7          15.5                9.7 +/-    1.85      23.9 +/-    1.85  0.090 / 0.190
G22     308.3          22.7                7.4 +/-    2.57      15.1 +/-    2.57  0.080 / 0.160
G25     83.8           15.7                9.1 +/-    2.02      22.4 +/-    2.02  0.030 / 0.040
G31     174.5          59.1               10.6 +/-    0.56      12.1 +/-    0.56  0.040 / 0.040
G32     30.6           56.0                7.7 +/-    0.71       9.1 +/-    0.71  0.030 / 0.040