PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/04-15:58:00
G10     245.9          24.6                9.1 +/-    1.89      17.8 +/-    1.89  0.140 / 0.480
G13     58.3           31.4                9.4 +/-    0.68      16.0 +/-    0.68  0.170 / 0.590
G15     94.0           57.1               10.5 +/-    0.49      12.3 +/-    0.49  0.040 / 0.060
G16     300.4          15.9                6.4 +/-    1.87      15.5 +/-    1.87  0.040 / 0.070
G20     264.7          49.3               10.4 +/-    1.22      13.3 +/-    1.22  0.030 / 0.030
G21     327.9          56.0                7.8 +/-    1.04       9.2 +/-    1.04  0.030 / 0.040
G26     273.6          17.4                8.1 +/-    0.83      19.1 +/-    0.83  0.050 / 0.120
G29     161.9          57.7               11.7 +/-    0.53      13.6 +/-    0.53  0.060 / 0.130