PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/09-02:27:50
G08     314.3          15.9                6.8 +/-    1.32      16.5 +/-    1.32  0.050 / 0.060
G10     328.7          59.7                9.2 +/-    0.68      10.5 +/-    0.68  0.060 / 0.090
G14     216.0          27.3               11.6 +/-    1.82      21.6 +/-    1.82  0.020 / 0.020
G15     46.4           12.4                5.6 +/-    2.78      14.9 +/-    2.78  0.030 / 0.030
G20     30.8           61.7                9.8 +/-    1.10      10.9 +/-    1.10  0.040 / 0.050
G21     130.8          60.7               12.1 +/-    0.64      13.6 +/-    0.64  0.040 / 0.040
G24     78.2           30.2                9.6 +/-    1.02      16.7 +/-    1.02  0.150 / 0.190
G27     280.1          37.8                9.3 +/-    1.95      14.0 +/-    1.95  0.160 / 0.180
G32     220.1          47.5               11.2 +/-    1.63      14.5 +/-    1.63  0.110 / 0.150