PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-10:12:40
G08     314.9          16.3                4.2 +/-    2.48      10.2 +/-    2.48  0.040 / 0.040
G10     319.5          57.9                4.8 +/-    0.67       5.5 +/-    0.67  0.040 / 0.040
G14     214.0          24.4                6.8 +/-    1.93      13.5 +/-    1.93  0.060 / 0.090
G15     45.8           15.9                1.7 +/-    2.89       4.2 +/-    2.89  0.080 / 0.090
G20     22.8           62.9                4.4 +/-    1.23       4.9 +/-    1.23  0.110 / 0.270
G21     126.0          60.6                6.6 +/-    0.58       7.5 +/-    0.58  0.170 / 0.230
G24     80.9           29.2                6.1 +/-    1.09      10.9 +/-    1.09  0.030 / 0.030
G27     287.4          36.8                6.9 +/-    0.90      10.6 +/-    0.90  0.040 / 0.030
G32     217.5          40.4                7.8 +/-    1.28      11.3 +/-    1.28  0.060 / 0.060