PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/10/05-08:43:00
G07     40.2           68.9                5.3 +/-    0.69       5.6 +/-    0.69  0.070 / 0.090
G08     54.4           42.3                5.0 +/-    1.39       6.9 +/-    1.39  0.070 / 0.070
G09     177.6          41.1                6.0 +/-    1.91       8.5 +/-    1.91  0.210 / 0.410
G11     122.5          31.1                5.7 +/-    1.17       9.8 +/-    1.17  0.310 / 0.370
G17     198.7          11.5               -0.3 +/-   13.40      -0.8 +/-   13.40  0.040 / 0.050
G23     161.1          14.6                7.6 +/-    2.17      19.1 +/-    2.17  0.040 / 0.040
G27     38.0           10.8                3.5 +/-    1.96       9.5 +/-    1.96  0.050 / 0.050
G28     268.5          50.1                3.3 +/-    0.83       4.1 +/-    0.83  0.060 / 0.050
G30     326.0          55.0                4.0 +/-    1.12       4.8 +/-    1.12  0.080 / 0.070