PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/29-06:57:40
G07     327.6          56.1                3.6 +/-    1.18       4.2 +/-    1.18  0.080 / 0.100
G08     103.1          50.1                7.6 +/-    0.59       9.6 +/-    0.59  0.080 / 0.120
G09     179.4          73.6                6.8 +/-    0.92       7.0 +/-    0.92  0.050 / 0.070
G11     147.4          11.0                1.1 +/-   14.42       3.1 +/-   14.42  0.050 / 0.080
G23     154.5          47.8                8.4 +/-    1.07      10.8 +/-    1.07  0.030 / 0.050
G27     60.9           34.7                3.9 +/-    0.76       6.2 +/-    0.76  0.050 / 0.050
G28     233.6          24.9                6.3 +/-    1.74      12.4 +/-    1.74  0.030 / 0.050
G30     297.5          30.7                4.5 +/-    1.43       7.8 +/-    1.43  0.040 / 0.070