PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/07/10-02:58:00
G08     320.3          11.3                1.4 +/-   26.78       3.8 +/-   26.78  0.060 / 0.080
G10     306.9          54.7               10.2 +/-    0.99      12.2 +/-    0.99  0.050 / 0.080
G14     212.4          15.0               14.1 +/-    1.07      35.0 +/-    1.07  0.190 / 0.490
G15     45.7           24.5                6.9 +/-    0.97      13.7 +/-    0.97  0.160 / 0.370
G20     339.8          64.1               11.8 +/-    0.47      12.9 +/-    0.47  0.040 / 0.050
G21     112.2          70.7               12.0 +/-    1.05      12.6 +/-    1.05  0.040 / 0.050
G24     89.5           28.3                9.2 +/-    1.04      16.8 +/-    1.04  0.030 / 0.040
G27     293.3          36.4               11.2 +/-    1.45      17.3 +/-    1.45  0.030 / 0.040
G32     213.2          40.0               13.1 +/-    0.98      19.0 +/-    0.98  0.070 / 0.140