PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-21:28:00
G01     321.0          10.1              -20.5 +/-   12.95     -57.1 +/-   12.95  0.180 / 0.190
G08     265.2          17.5                9.0 +/-    3.00      21.1 +/-    3.00  0.220 / 0.220
G10     62.9           58.4                7.7 +/-    0.59       8.8 +/-    0.59  0.060 / 0.130
G11     310.4          18.4                7.3 +/-    1.83      16.8 +/-    1.83  0.050 / 0.120
G14     272.0          67.7                8.4 +/-    0.65       9.0 +/-    0.65  0.230 / 0.490
G18     93.8           34.4                8.5 +/-    0.49      13.7 +/-    0.49  0.220 / 0.520
G21     153.5          10.5               12.3 +/-    4.78      34.0 +/-    4.78  0.030 / 0.030
G27     229.5          14.5               10.6 +/-    2.38      26.7 +/-    2.38  0.030 / 0.030
G31     180.6          29.1               12.9 +/-    0.77      23.0 +/-    0.77  0.050 / 0.060
G32     336.0          73.7                8.5 +/-    0.70       8.8 +/-    0.70  0.040 / 0.050