PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/16-23:57:50
G01     316.6          24.2                7.3 +/-    1.60      14.5 +/-    1.60  0.120 / 0.190
G08     255.5          10.8               10.1 +/-    2.97      27.6 +/-    2.97  0.090 / 0.200
G10     88.7           48.2                6.8 +/-    0.97       8.8 +/-    0.97  0.040 / 0.060
G11     299.3          23.9                7.9 +/-    0.98      15.9 +/-    0.98  0.040 / 0.050
G14     306.5          70.6                6.6 +/-    0.69       6.9 +/-    0.69  0.080 / 0.110
G18     298.7          44.7                8.4 +/-    3.38      11.3 +/-    3.38  0.050 / 0.070
G20     110.5          24.1                8.4 +/-    1.32      16.8 +/-    1.32  0.190 / 0.380
G22     303.5          12.9                8.4 +/-    1.85      21.9 +/-    1.85  0.180 / 0.380
G31     172.7          49.1                7.8 +/-    0.66      10.0 +/-    0.66  0.060 / 0.040
G32     17.8           63.4                6.5 +/-    0.48       7.2 +/-    0.48  0.060 / 0.050