PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-18:58:10
G01     315.5          25.1                6.7 +/-    0.78      13.1 +/-    0.78  0.100 / 0.150
G10     92.4           47.4                8.4 +/-    0.47      11.0 +/-    0.47  0.080 / 0.140
G11     293.4          27.0                6.7 +/-    1.16      12.6 +/-    1.16  0.040 / 0.050
G14     326.8          71.1                7.5 +/-    0.76       7.8 +/-    0.76  0.040 / 0.040
G18     291.8          48.3                8.5 +/-    1.05      10.9 +/-    1.05  0.100 / 0.180
G20     112.4          22.7                7.3 +/-    2.20      15.0 +/-    2.20  0.080 / 0.180
G22     305.0          16.3                4.2 +/-    2.16      10.1 +/-    2.16  0.050 / 0.050
G25     87.6           11.6                5.6 +/-   13.78      15.1 +/-   13.78  0.040 / 0.060
G31     177.3          48.5               10.2 +/-    1.46      13.1 +/-    1.46  0.080 / 0.310
G32     20.2           61.9                6.6 +/-    0.43       7.4 +/-    0.43  0.100 / 0.330