PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/04-00:12:50
G01     320.9          10.7              -17.3 +/-   26.63     -47.5 +/-   26.63  0.140 / 0.460
G08     263.9          17.3               14.2 +/-    2.72      33.4 +/-    2.72  0.150 / 0.360
G10     63.9           58.2               12.6 +/-    0.62      14.5 +/-    0.62  0.130 / 0.380
G11     309.3          19.5               12.7 +/-    1.26      28.2 +/-    1.26  0.180 / 0.340
G14     274.8          68.5               12.3 +/-    0.53      13.1 +/-    0.53  0.020 / 0.030
G18     93.9           34.8               13.9 +/-    0.45      22.2 +/-    0.45  0.020 / 0.030
G21     154.1          11.5               17.5 +/-    3.13      47.1 +/-    3.13  0.050 / 0.050
G31     180.1          30.1               17.8 +/-    1.52      31.2 +/-    1.52  0.040 / 0.060
G32     332.4          73.6               12.3 +/-    0.52      12.7 +/-    0.52  0.050 / 0.100