PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/07-17:12:30
G10     257.1          32.1               12.7 +/-    2.52      21.3 +/-    2.52  0.040 / 0.040
G13     47.6           25.1               10.5 +/-    1.94      20.5 +/-    1.94  0.040 / 0.040
G15     76.5           57.1               11.6 +/-    0.93      13.5 +/-    0.93  0.100 / 0.360
G16     289.0          14.6                8.0 +/-    1.68      20.2 +/-    1.68  0.090 / 0.290
G20     280.4          55.3               12.2 +/-    2.71      14.5 +/-    2.71  0.170 / 0.180
G21     347.0          66.2               11.8 +/-    0.74      12.8 +/-    0.74  0.100 / 0.140
G26     262.6          12.5               11.3 +/-    2.54      29.7 +/-    2.54  0.040 / 0.030
G29     165.8          41.5               12.2 +/-    0.61      17.3 +/-    0.61  0.030 / 0.040