PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/10-08:27:40
G08     314.9          16.2                4.7 +/-    2.55      11.4 +/-    2.55  0.040 / 0.030
G10     320.9          58.2                5.9 +/-    0.54       6.8 +/-    0.54  0.040 / 0.030
G14     214.3          24.9                6.7 +/-    1.27      13.2 +/-    1.27  0.040 / 0.030
G15     45.9           15.1                2.4 +/-    2.19       5.9 +/-    2.19  0.040 / 0.040
G20     24.1           62.7                6.2 +/-    1.36       6.9 +/-    1.36  0.070 / 0.080
G21     126.5          61.3                8.3 +/-    0.37       9.3 +/-    0.37  0.090 / 0.080
G24     80.8           29.4                7.2 +/-    1.00      12.7 +/-    1.00  0.080 / 0.070
G27     286.2          37.1                5.8 +/-    0.81       8.9 +/-    0.81  0.080 / 0.080
G32     218.0          39.8                7.2 +/-    1.37      10.4 +/-    1.37  0.130 / 0.290