PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/09/30-04:58:10
G03     234.3          65.8                1.9 +/-    0.48       2.0 +/-    0.48  0.080 / 0.150
G07     250.9          11.2               -1.9 +/-   15.26      -5.2 +/-   15.26  0.080 / 0.150
G09     306.4          23.0                0.9 +/-    2.19       1.7 +/-    2.19  0.100 / 0.420
G14     103.6          10.4                2.9 +/-    2.19       8.1 +/-    2.19  0.080 / 0.550
G16     126.8          61.6                5.3 +/-    0.67       5.9 +/-    0.67  0.050 / 0.050
G22     193.3          52.0                4.1 +/-    0.39       5.0 +/-    0.39  0.060 / 0.060
G23     321.1          50.8                1.8 +/-    1.04       2.3 +/-    1.04  0.090 / 0.610
G26     67.6           52.8                1.8 +/-    0.49       2.2 +/-    0.49  0.090 / 0.610
G31     53.3           19.3                1.4 +/-    1.22       3.1 +/-    1.22  0.080 / 0.200