PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/12-02:43:10
G10     266.2          38.8                8.6 +/-    1.53      12.7 +/-    1.53  0.190 / 0.280
G13     42.0           18.2                6.2 +/-    3.15      14.2 +/-    3.15  0.160 / 0.260
G15     59.4           48.6                7.0 +/-    0.84       9.0 +/-    0.84  0.060 / 0.080
G16     281.9          12.5                7.5 +/-    1.90      19.9 +/-    1.90  0.060 / 0.080
G20     295.8          59.7                7.9 +/-    0.93       9.0 +/-    0.93  0.040 / 0.040
G21     1.1            71.0                8.1 +/-    0.81       8.6 +/-    0.81  0.040 / 0.040
G24     121.5          13.6                8.1 +/-    1.98      20.9 +/-    1.98  0.140 / 0.270
G27     319.7          17.1                5.9 +/-    2.83      13.9 +/-    2.83  0.210 / 0.280
G29     166.1          30.6                7.7 +/-    1.28      13.4 +/-    1.28  0.240 / 0.600