PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/08-05:42:40
G07     351.7          63.5                8.6 +/-    0.56       9.5 +/-    0.56  0.070 / 0.110
G08     80.0           51.7               10.8 +/-    0.80      13.4 +/-    0.80  0.070 / 0.080
G09     182.5          62.7               12.0 +/-    0.94      13.3 +/-    0.94  0.040 / 0.030
G11     138.6          19.1                8.9 +/-    1.85      20.1 +/-    1.85  0.040 / 0.040
G23     158.7          32.9               10.5 +/-    1.12      17.3 +/-    1.12  0.030 / 0.040
G27     46.4           24.9                5.9 +/-    1.83      11.6 +/-    1.83  0.040 / 0.040
G28     246.4          37.8               10.7 +/-    1.69      16.1 +/-    1.69  0.140 / 0.080
G30     310.1          41.9                7.6 +/-    1.04      10.7 +/-    1.04  0.080 / 0.150