PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/10-14:27:40
G02     243.1          74.3                6.3 +/-    0.62       6.5 +/-    0.62  0.140 / 0.300
G05     172.6          15.8                5.9 +/-    2.51      14.4 +/-    2.51  0.160 / 0.310
G06     40.2           56.2                6.4 +/-    0.49       7.5 +/-    0.49  0.050 / 0.050
G12     321.4          53.4                5.9 +/-    1.42       7.1 +/-    1.42  0.040 / 0.060
G17     70.1           23.5                6.4 +/-    1.06      13.0 +/-    1.06  0.060 / 0.100
G19     59.0           36.2                5.3 +/-    0.76       8.3 +/-    0.76  0.070 / 0.110
G24     245.5          34.0                8.4 +/-    1.37      13.5 +/-    1.37  0.050 / 0.080
G25     316.4          12.1                5.0 +/-    4.16      13.2 +/-    4.16  0.060 / 0.080