PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-02:42:40
G10     296.2          52.1               10.0 +/-    0.93      12.2 +/-    0.93  0.060 / 0.110
G15     46.2           28.7                4.0 +/-    0.72       7.3 +/-    0.72  0.050 / 0.090
G20     347.9          65.3                7.8 +/-    0.80       8.5 +/-    0.80  0.040 / 0.040
G24     99.8           25.9                9.0 +/-    1.27      17.3 +/-    1.27  0.040 / 0.040
G27     303.3          33.0                8.7 +/-    1.63      14.3 +/-    1.63  0.040 / 0.100
G32     210.0          28.2               12.1 +/-    1.68      21.9 +/-    1.68  0.040 / 0.100