PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/11-16:43:10
G01     296.9          38.3                8.5 +/-    1.11      12.8 +/-    1.11  0.040 / 0.060
G03     310.6          15.6                6.7 +/-    3.68      16.4 +/-    3.68  0.040 / 0.050
G10     115.6          32.9                9.8 +/-    1.08      16.2 +/-    1.08  0.090 / 0.120
G11     273.4          26.7                8.0 +/-    1.68      15.0 +/-    1.68  0.070 / 0.090
G14     13.8           62.3                7.4 +/-    0.81       8.2 +/-    0.81  0.020 / 0.030
G22     313.0          35.3                8.5 +/-    1.52      13.4 +/-    1.52  0.030 / 0.030
G25     72.5           18.8                9.2 +/-    0.79      20.9 +/-    0.79  0.060 / 0.070
G31     147.2          75.7               10.1 +/-    0.88      10.4 +/-    0.88  0.080 / 0.080
G32     46.9           44.9                7.8 +/-    0.56      10.5 +/-    0.56  0.130 / 0.320