PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/11-02:57:30
G08     319.1          12.5                8.8 +/-    2.69      23.3 +/-    2.69  0.070 / 0.060
G10     309.9          55.5               11.3 +/-    2.00      13.4 +/-    2.00  0.070 / 0.080
G14     213.0          16.7               14.2 +/-    2.47      33.9 +/-    2.47  0.030 / 0.030
G15     45.7           23.0                7.6 +/-    2.12      15.6 +/-    2.12  0.030 / 0.030
G20     342.7          64.3               11.9 +/-    0.64      13.0 +/-    0.64  0.090 / 0.270
G21     116.2          69.2               12.8 +/-    1.29      13.6 +/-    1.29  0.110 / 0.290
G24     87.3           28.7               10.8 +/-    1.78      19.4 +/-    1.78  0.110 / 0.130
G27     291.1          36.9               14.0 +/-    2.91      21.5 +/-    2.91  0.100 / 0.120
G32     214.2          41.9               15.5 +/-    1.26      21.9 +/-    1.26  0.140 / 0.320