PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/14-20:43:10
G08     311.5          18.5               12.3 +/-    0.73      28.1 +/-    0.73  0.080 / 0.080
G10     325.5          59.0               12.3 +/-    0.66      14.1 +/-    0.66  0.060 / 0.090
G14     216.1          27.0               12.7 +/-    1.20      23.7 +/-    1.20  0.030 / 0.050
G15     46.3           17.1                9.3 +/-    0.67      21.9 +/-    0.67  0.040 / 0.060
G20     30.3           61.8               11.9 +/-    0.61      13.3 +/-    0.61  0.080 / 0.210
G21     130.3          59.9               13.5 +/-    0.61      15.4 +/-    0.61  0.080 / 0.180
G24     75.0           28.8               11.2 +/-    0.62      20.2 +/-    0.62  0.090 / 0.160
G27     281.6          37.2               12.7 +/-    1.17      19.3 +/-    1.17  0.100 / 0.210
G32     220.0          49.2               14.6 +/-    1.54      18.6 +/-    1.54  0.060 / 0.120