PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/13-01:58:10
G01     264.3          41.4                6.2 +/-    1.52       8.8 +/-    1.52  0.040 / 0.060
G03     316.3          31.3                5.1 +/-    0.96       8.7 +/-    0.96  0.050 / 0.040
G10     131.1          12.8                8.0 +/-    2.73      21.0 +/-    2.73  0.100 / 0.100
G11     249.3          17.8                6.9 +/-    2.16      16.1 +/-    2.16  0.070 / 0.100
G14     43.9           50.2                3.8 +/-    1.05       4.8 +/-    1.05  0.050 / 0.070
G18     230.2          36.8                7.2 +/-    1.39      11.1 +/-    1.39  0.050 / 0.060
G22     313.5          52.9                4.8 +/-    1.95       5.8 +/-    1.95  0.100 / 0.330
G25     50.9           16.0                2.7 +/-    1.50       6.5 +/-    1.50  0.100 / 0.410
G31     50.5           69.4                4.9 +/-    0.64       5.2 +/-    0.64  0.060 / 0.090
G32     66.5           30.4                4.3 +/-    1.00       7.5 +/-    1.00  0.060 / 0.100