PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/06-07:57:50
G01     95.9           30.2                5.9 +/-   36.32      10.3 +/-   36.32  0.040 / 0.060
G07     120.6          48.7                8.2 +/-   37.66      10.5 +/-   37.66  0.040 / 0.060
G08     41.9           10.6                4.7 +/-   39.02      13.0 +/-   39.02  0.120 / 0.280
G11     74.6           40.5                5.6 +/-   37.13       8.1 +/-   37.13  0.140 / 0.290
G13     301.6          32.9                6.3 +/-   35.71      10.4 +/-   35.71  0.030 / 0.060
G17     210.8          50.4                9.3 +/-   37.91      11.7 +/-   37.91  0.030 / 0.050
G19     212.3          23.8                4.2 +/-    7.16       8.5 +/-    7.16  0.050 / 0.050
G28     340.4          61.8                5.7 +/-   36.86       6.4 +/-   36.86  0.070 / 0.050
G30     81.1           78.6               -4.4 +/-   16.07      -4.5 +/-   16.07  0.050 / 0.130