PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/27-03:57:50
G08     318.7          12.7                5.5 +/-    1.98      14.5 +/-    1.98  0.030 / 0.040
G10     311.8          56.0                7.8 +/-    0.82       9.2 +/-    0.82  0.030 / 0.050
G14     213.6          17.4                8.6 +/-    1.42      20.2 +/-    1.42  0.050 / 0.080
G15     45.7           21.4                4.5 +/-    1.01       9.6 +/-    1.01  0.050 / 0.090
G20     6.4            64.8                8.0 +/-    0.49       8.7 +/-    0.49  0.090 / 0.260
G21     118.7          68.1                8.2 +/-    0.85       8.8 +/-    0.85  0.140 / 0.400
G24     86.1           29.0                6.7 +/-    1.00      11.9 +/-    1.00  0.080 / 0.130
G27     289.4          37.1                8.3 +/-    1.65      12.7 +/-    1.65  0.070 / 0.140
G32     214.9          43.1               10.2 +/-    1.10      14.1 +/-    1.10  0.120 / 0.310