PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/09-08:42:40
G01     68.2           31.8                5.0 +/-    1.42       8.5 +/-    1.42  0.040 / 0.070
G07     137.4          29.3                6.2 +/-    2.51      11.0 +/-    2.51  0.030 / 0.050
G11     53.9           32.6                3.7 +/-    1.52       6.2 +/-    1.52  0.130 / 0.100
G13     272.1          38.6                7.4 +/-    1.70      11.1 +/-    1.70  0.080 / 0.160
G15     301.4          15.6                1.5 +/-    2.72       3.6 +/-    2.72  0.100 / 0.120
G17     232.1          68.5                6.5 +/-    0.54       7.0 +/-    0.54  0.080 / 0.110
G19     223.6          44.8                7.6 +/-    2.46      10.3 +/-    2.46  0.140 / 0.310
G28     5.2            61.2                4.4 +/-    0.85       4.9 +/-    0.85  0.110 / 0.330
G30     136.7          63.8                7.4 +/-    0.80       8.1 +/-    0.80  0.040 / 0.070