PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/12/10-20:28:00
G01     311.2          29.6                7.7 +/-    1.61      13.7 +/-    1.61  0.120 / 0.240
G10     100.1          44.3                9.5 +/-    0.57      12.9 +/-    0.57  0.070 / 0.190
G11     288.3          27.7                6.9 +/-    1.22      12.6 +/-    1.22  0.090 / 0.150
G14     344.8          69.0                8.6 +/-    1.03       9.1 +/-    1.03  0.080 / 0.150
G18     114.1          16.8               10.2 +/-    2.51      24.2 +/-    2.51  0.060 / 0.180
G22     307.4          21.1                7.4 +/-    3.60      16.0 +/-    3.60  0.050 / 0.180
G25     86.9           14.9                9.7 +/-    0.77      24.1 +/-    0.77  0.050 / 0.040
G31     173.5          57.5               12.6 +/-    0.97      14.7 +/-    0.97  0.050 / 0.050
G32     28.8           57.1                7.2 +/-    0.42       8.4 +/-    0.42  0.040 / 0.040