PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/27-22:42:50
G08     267.0          17.1               23.9 +/-    1.40      56.5 +/-    1.40  0.120 / 0.270
G10     68.2           55.5               14.3 +/-    0.82      17.0 +/-    0.82  0.110 / 0.290
G11     311.0          17.3                2.6 +/-   26.09       6.1 +/-   26.09  0.040 / 0.060
G14     268.2          65.6               12.7 +/-    0.65      13.8 +/-    0.65  0.040 / 0.050
G18     310.9          34.7               16.9 +/-    0.88      27.0 +/-    0.88  0.140 / 0.190
G20     99.0           33.4               14.6 +/-    1.27      23.9 +/-    1.27  0.170 / 0.240
G21     155.8          13.5               20.1 +/-    2.64      51.8 +/-    2.64  0.080 / 0.130
G27     229.7          14.5               29.6 +/-    1.22      74.6 +/-    1.22  0.070 / 0.110
G31     176.6          34.2               21.0 +/-    1.80      33.8 +/-    1.80  0.240 / 0.460
G32     350.3          72.7               15.8 +/-    0.80      16.5 +/-    0.80  0.150 / 0.250