PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/12-04:57:30
G07     329.7          56.6                3.1 +/-    0.76       3.7 +/-    0.76  0.100 / 0.180
G08     102.8          50.6                6.8 +/-    1.19       8.5 +/-    1.19  0.080 / 0.210
G09     196.8          77.0                5.6 +/-    0.58       5.8 +/-    0.58  0.120 / 0.430
G11     147.4          10.8                0.7 +/-   19.94       2.0 +/-   19.94  0.130 / 0.420
G16     45.0           15.5                2.1 +/-    1.69       5.1 +/-    1.69  0.040 / 0.040
G23     154.7          46.7                8.0 +/-    1.07      10.6 +/-    1.07  0.040 / 0.050
G28     235.1          27.6                5.5 +/-    1.74      10.2 +/-    1.74  0.040 / 0.060
G30     299.4          33.1                2.5 +/-    1.15       4.0 +/-    1.15  0.030 / 0.050