PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/08/10-10:57:50
G07     352.8          64.0                5.6 +/-    0.53       6.1 +/-    0.53  0.090 / 0.080
G08     76.4           51.1                4.5 +/-    1.41       5.6 +/-    1.41  0.080 / 0.080
G09     179.0          58.7                8.5 +/-    0.61       9.8 +/-    0.61  0.040 / 0.040
G11     137.0          21.1                4.6 +/-    1.97       9.8 +/-    1.97  0.040 / 0.040
G23     158.8          29.9                6.3 +/-    1.17      11.1 +/-    1.17  0.070 / 0.090
G27     46.0           24.9                4.3 +/-    1.96       8.5 +/-    1.96  0.060 / 0.100
G28     247.4          38.1                7.0 +/-    1.02      10.6 +/-    1.02  0.130 / 0.130
G30     310.4          41.7                6.1 +/-    1.18       8.7 +/-    1.18  0.070 / 0.140