PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/29-18:27:50
G01     305.5          34.7                9.5 +/-    1.20      15.2 +/-    1.20  0.140 / 0.150
G10     108.1          37.8               12.0 +/-    0.78      18.1 +/-    0.78  0.160 / 0.130
G11     277.9          28.3                9.9 +/-    1.25      17.9 +/-    1.25  0.040 / 0.050
G14     3.0            65.8                9.9 +/-    0.67      10.7 +/-    0.67  0.040 / 0.050
G18     268.4          51.6               12.3 +/-    0.90      15.2 +/-    0.90  0.050 / 0.080
G20     121.7          12.5               12.6 +/-    2.73      33.3 +/-    2.73  0.050 / 0.070
G22     310.6          27.4                8.1 +/-    0.92      15.0 +/-    0.92  0.060 / 0.160
G25     75.0           15.7                8.8 +/-    1.41      21.6 +/-    1.41  0.060 / 0.170
G31     173.3          63.4               12.3 +/-    1.17      13.6 +/-    1.17  0.080 / 0.130
G32     36.7           52.2               10.1 +/-    0.46      12.4 +/-    0.46  0.080 / 0.130