PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/16-19:27:40
G01     319.8          17.3                9.3 +/-    3.08      21.9 +/-    3.08  0.220 / 0.530
G08     260.7          15.3                8.5 +/-    2.29      21.0 +/-    2.29  0.210 / 0.500
G10     75.5           53.2                8.4 +/-    0.88      10.2 +/-    0.88  0.040 / 0.050
G11     308.7          18.6                9.3 +/-    2.25      21.1 +/-    2.25  0.040 / 0.050
G14     275.0          66.2                9.7 +/-    0.55      10.5 +/-    0.55  0.140 / 0.310
G20     103.5          29.1                8.8 +/-    0.92      15.8 +/-    0.92  0.130 / 0.260
G27     226.4          11.5                8.8 +/-   14.99      23.7 +/-   14.99  0.060 / 0.070
G31     176.5          38.0                9.0 +/-    1.68      13.6 +/-    1.68  0.080 / 0.070
G32     3.8            69.4                7.8 +/-    0.54       8.2 +/-    0.54  0.110 / 0.220