PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/08-23:57:40
G01     320.5          12.8                7.7 +/-    3.15      20.2 +/-    3.15  0.030 / 0.040
G08     261.7          16.2               12.5 +/-    2.40      30.2 +/-    2.40  0.020 / 0.030
G10     68.4           57.2                9.7 +/-    0.65      11.3 +/-    0.65  0.130 / 0.310
G11     307.5          20.9               10.1 +/-    2.31      21.7 +/-    2.31  0.130 / 0.220
G14     281.5          69.5                9.6 +/-    0.72      10.2 +/-    0.72  0.110 / 0.390
G18     96.3           33.1               10.9 +/-    0.43      17.9 +/-    0.43  0.090 / 0.430
G27     227.1          12.4               15.5 +/-    4.99      40.9 +/-    4.99  0.050 / 0.050
G31     180.0          32.4               13.5 +/-    2.94      22.5 +/-    2.94  0.060 / 0.060
G32     341.4          72.6                9.4 +/-    0.82       9.8 +/-    0.82  0.070 / 0.090