PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/14-19:42:40
G01     299.2          37.9                7.4 +/-    1.70      11.1 +/-    1.70  0.140 / 0.100
G03     309.3          11.4               -5.8 +/-   33.62     -15.7 +/-   33.62  0.070 / 0.090
G10     113.9          33.2                8.2 +/-    0.76      13.5 +/-    0.76  0.070 / 0.080
G11     270.9          27.5                8.4 +/-    1.57      15.6 +/-    1.57  0.050 / 0.070
G14     14.4           62.5                6.7 +/-    0.94       7.5 +/-    0.94  0.060 / 0.060
G18     258.5          50.4                9.8 +/-    9.38      12.4 +/-    9.38  0.050 / 0.050
G22     312.4          32.1                6.9 +/-    1.92      11.6 +/-    1.92  0.100 / 0.150
G31     165.4          71.0                8.6 +/-    0.56       9.1 +/-    0.56  0.130 / 0.180
G32     43.6           47.5                6.2 +/-    0.78       8.1 +/-    0.78  0.370 / 0.270