PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/17-09:42:50
G02     239.0          75.9                5.5 +/-    0.58       5.6 +/-    0.58  0.100 / 0.300
G05     174.7          12.3                4.7 +/-    1.95      12.3 +/-    1.95  0.110 / 0.260
G06     41.0           59.6                4.4 +/-    0.78       5.0 +/-    0.78  0.040 / 0.040
G12     322.3          53.8                5.1 +/-    0.68       6.2 +/-    0.68  0.040 / 0.040
G17     68.8           23.1                3.9 +/-    0.68       7.9 +/-    0.68  0.030 / 0.050
G19     56.2           37.8                3.5 +/-    0.45       5.3 +/-    0.45  0.040 / 0.050
G24     249.0          35.6               10.3 +/-    0.97      16.2 +/-    0.97  0.070 / 0.080
G25     315.7          10.2              -18.3 +/-   17.76     -50.8 +/-   17.76  0.060 / 0.060