PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-02:43:10
G10     294.1          51.4                9.1 +/-    1.35      11.3 +/-    1.35  0.040 / 0.040
G15     46.5           29.9                6.4 +/-    1.18      11.2 +/-    1.18  0.050 / 0.060
G20     344.6          65.3                7.8 +/-    0.84       8.5 +/-    0.84  0.060 / 0.110
G21     84.1           75.8               10.4 +/-    0.76      10.7 +/-    0.76  0.060 / 0.110
G24     101.2          25.3                8.5 +/-    0.75      16.5 +/-    0.75  0.040 / 0.040
G27     304.7          32.3                8.3 +/-    1.54      13.9 +/-    1.54  0.050 / 0.040
G32     209.5          26.8               11.4 +/-    1.49      21.3 +/-    1.49  0.040 / 0.090