PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-05:42:50
G01     127.1          11.4               -3.3 +/-   34.45      -8.8 +/-   34.45  0.040 / 0.050
G07     56.6           68.9                5.3 +/-    0.83       5.6 +/-    0.83  0.040 / 0.050
G08     49.2           37.3                3.0 +/-    0.62       4.6 +/-    0.62  0.030 / 0.030
G09     175.1          32.7                7.3 +/-    1.16      12.1 +/-    1.16  0.030 / 0.030
G11     116.5          35.6                6.6 +/-    1.19      10.3 +/-    1.19  0.120 / 0.360
G13     321.0          11.9               -8.0 +/-   11.08     -21.5 +/-   11.08  0.100 / 0.320
G17     198.9          16.9                4.4 +/-    0.61      10.4 +/-    0.61  0.100 / 0.200
G18     101.4          16.6                5.5 +/-    1.51      13.1 +/-    1.51  0.090 / 0.330
G28     274.2          51.6                4.3 +/-    0.86       5.3 +/-    0.86  0.110 / 0.400
G30     330.5          59.1                3.9 +/-    1.14       4.5 +/-    1.14  0.080 / 0.090