PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/11-03:12:50
G01     232.3          24.5                6.0 +/-    2.08      11.8 +/-    2.08  0.050 / 0.040
G03     307.1          59.2                4.6 +/-    0.62       5.2 +/-    0.62  0.050 / 0.040
G14     75.3           32.5                4.9 +/-    0.99       8.1 +/-    0.99  0.060 / 0.130
G16     152.4          34.8                8.8 +/-    0.97      14.0 +/-    0.97  0.060 / 0.130
G18     208.8          13.8                3.9 +/-    3.91       9.9 +/-    3.91  0.090 / 0.210
G22     259.7          74.6                4.9 +/-    0.83       5.0 +/-    0.83  0.110 / 0.180
G23     300.5          32.0                4.3 +/-    1.22       7.1 +/-    1.22  0.080 / 0.110
G26     115.0          50.3                8.7 +/-    0.93      11.0 +/-    0.93  0.090 / 0.120
G31     42.7           40.0                2.9 +/-    1.30       4.2 +/-    1.30  0.140 / 0.430
G32     90.9           12.2                5.7 +/-    1.78      15.1 +/-    1.78  0.170 / 0.520