PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/12-19:58:10
G01     295.0          39.4                6.7 +/-    6.63       9.8 +/-    6.63  0.100 / 0.160
G03     310.7          14.1                6.2 +/-    1.56      15.7 +/-    1.56  0.110 / 0.200
G10     117.0          30.5               10.1 +/-    1.60      17.5 +/-    1.60  0.070 / 0.080
G11     267.0          26.7                9.1 +/-    2.20      17.2 +/-    2.20  0.060 / 0.090
G14     20.1           60.4                7.8 +/-    1.04       8.9 +/-    1.04  0.060 / 0.070
G18     252.8          49.2               10.4 +/-    2.51      13.2 +/-    2.51  0.050 / 0.080
G22     313.2          35.1                6.9 +/-    1.38      10.9 +/-    1.38  0.060 / 0.090
G25     64.5           16.5                8.0 +/-    0.77      19.2 +/-    0.77  0.060 / 0.100
G31     158.4          74.8               10.1 +/-    0.63      10.5 +/-    0.63  0.040 / 0.050
G32     47.2           45.0                8.2 +/-    0.88      11.0 +/-    0.88  0.040 / 0.040