PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/25-18:42:50
G08     319.1          12.5                9.3 +/-    3.77      24.6 +/-    3.77  0.070 / 0.070
G10     313.9          57.0               15.5 +/-    1.82      18.1 +/-    1.82  0.060 / 0.070
G14     213.0          16.1               25.6 +/-    1.68      62.0 +/-    1.68  0.200 / 0.240
G15     45.5           18.6               11.6 +/-    1.93      26.4 +/-    1.93  0.200 / 0.170
G20     18.4           63.3               16.5 +/-    1.14      18.3 +/-    1.14  0.040 / 0.040
G21     118.0          68.0               19.6 +/-    0.38      21.0 +/-    0.38  0.040 / 0.040
G24     89.5           29.6               19.1 +/-    1.90      33.7 +/-    1.90  0.080 / 0.110
G27     290.4          37.4               12.4 +/-    3.45      18.8 +/-    3.45  0.110 / 0.130
G32     214.1          41.9               21.4 +/-    1.13      30.2 +/-    1.13  0.210 / 0.340