PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/08-14:27:20
G02     234.4          71.0                5.4 +/-    1.02       5.6 +/-    1.02  0.060 / 0.100
G05     174.0          12.6                7.5 +/-    2.17      19.8 +/-    2.17  0.060 / 0.090
G06     41.3           60.0                6.0 +/-    0.53       6.8 +/-    0.53  0.070 / 0.140
G12     321.2          49.6                5.5 +/-    1.46       6.9 +/-    1.46  0.060 / 0.110
G17     67.0           25.8                6.8 +/-    1.95      13.0 +/-    1.95  0.050 / 0.060
G19     55.3           38.6                6.0 +/-    0.58       8.9 +/-    0.58  0.060 / 0.060
G24     249.5          36.0                6.6 +/-    0.80      10.2 +/-    0.80  0.030 / 0.050