PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/03-21:12:40
G01     305.1          34.4                8.6 +/-    0.87      13.9 +/-    0.87  0.080 / 0.140
G10     108.2          39.1                9.4 +/-    0.52      13.9 +/-    0.52  0.100 / 0.120
G11     279.7          28.3                7.4 +/-    1.61      13.4 +/-    1.61  0.100 / 0.110
G14     2.7            65.6                7.4 +/-    0.53       8.0 +/-    0.53  0.080 / 0.140
G18     119.0          11.4               11.3 +/-    3.26      30.7 +/-    3.26  0.030 / 0.030
G22     310.2          26.8                9.1 +/-    1.58      17.1 +/-    1.58  0.030 / 0.030
G25     79.4           17.1                8.2 +/-    1.91      19.2 +/-    1.91  0.040 / 0.030
G31     169.5          65.7               10.5 +/-    0.37      11.4 +/-    0.37  0.050 / 0.040
G32     37.1           51.9                7.0 +/-    0.99       8.6 +/-    0.99  0.070 / 0.100